Medical
`DictionarY
`28th Edition
`
`Illustrated in Color
`
`~11~~.~ LIPPINCOTT WILUAMS & WILKINS
`
`A Wolters Kluwer Company
`Philadelphia •Baltimore •New York •London
`Buenos Aires •Hong Kong •Sydney •Tokyo
`
`1
`
`Grün. Exh. 1038
`PGR for U.S. Patent No. 10,052,338
`
`

`

`Pre
`
`COI
`
`Publisher: Julie K. Stegman
`Senior Product Manager: Eric Branger
`Associate Managing Editor: Tiffany Piper
`Marketing Manager: Yvonne Palmer
`New Terms Editor: Thomas W. Filardo, MD
`Etymology Editor: John H. Dircla, MD
`Chief Copyeditor: Raymond Lukens
`Copyeditors: Ellen Atwood, Vincent Ercolano, Ellen Erkess, Linda Searing
`Pronunciations Editor: William R. Hensyl
`On-Line Editors: Barbara L. Ferretti, Kathryn J. Cadle, Lisa Fahnestock
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`Database Programmers: Dave Marcus, Lexi-Comp Inc., Hudson, OH
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`
`Copyright D 2006
`Lippincott Williams &Wilkins
`A Wolters Kluwer Health Company
`351 West Camden Street
`Baltimore, Maryland 21201-2436 USA
`www.stedmans.com
`stedmans@lww.com
`Copyright D by William Wood and Company: 1911, 1st ed.; 1912, 2nd ed.; 1914, 34 ed.; 1916, 4th ed.; 1918, 5th
`ed.; 1920, 6th ed.; 1922, 7th ed.; 1924, 8th ed.; 1926, 9th ed.; 1928, 10th ed.; 1930, 11th ed.
`Copyright D by Williams &Wilkins: 1933, 12th ed; 1935, 13th ed.; 1939, 14th ed.; 1942, 15th ed.; 1946, 16th ed.;
`1949, 17th ed.; 1953, 18th ed.; 1957, 19th ed.; 1961, 20th ed.; 1966, 21st ed.; 1972, 22nd ed.; 1976, 23rd ed.; 1982,
`24th ed.; 1990, 25th ed.; 1995, 26th ed.
`
`Copyright D by Lippincott Williams &Wilkins: 2000, 27th ed.
`All rights reserved. This book and softwue are protected by copyright. No part of this book or software may be ' Ta
`reproduced in any form or by any means, including photocopying, or utilized by any information storage and
`retrieval system without written permission from the copyright owner.
`Stedman's, STEDMAN'S is a registered trademark of Lippincott Williams &Wilkins.
`The publisher is not responsible (as a matter of product liability, negligence or otherwise) for any injury resulting
`from any material contained herein. This publication contains information relating to general principles of medical
`care which should not be conshued as specific instructions for individual patients. Manufacturers' product informa-
`tion and package inserts should be reviewed for current information, including contraindications, dosages and pre-
`cautions.
`
`Database design by Lexi-Comp Inc. Hudson, OH
`Printed in the United States of America by Quebecor World
`
`Library of Congress Cataloging-in-Publication Data
`Stedman, Thomas Lathrop, 1853-1938.
`Stedman's medical dictionary. —28th ed.
`p. ; cm.
`Includes bibliographical references and index.
`ISBN-13:978-0-7817-3390-8
`ISBN 0-7817-3390-1 (alk. paper)
`I. Title. II. Title: Medical dictionary.
`1. Medicine--Dictionaries.
`[DNLM: 1. Medicine--Dictionary--English. W 13 S812m 2006]
`R121.58 2006
`610'.3--dc22
`
`2005021544
`
`07 08 09
`2345
`
`2
`
`

`

`eczema
`are intranuclear in e. herpeticum and intracytoplasmic in e. vacci-
`natum. See this page. sYx pustulosis vacciniformis acuta.
`
`eczema herpeticum
`infantile e., e. in infants; the clinical appearance varies accord-
`ing to the dominant causative mechanism, e.g., contact-type hy-
`persensitivity, candidiasis, atopy, seborrhea, or a combination in-
`cluding intertrigo and diaper dermatitis.
`e. intertrigo, ses intertrigo.
`IlChenoid e., thickening of skin with accentuated skin lines in e.
`sYrr chronic e.
`nummuler e., discrete, coin-shaped patches of e. sYx nummular
`dermatitis.
`e. papulosum, a dermatitis marked by an eruption of discrete or
`aggregated reddish excoriated papules.
`e. pePesitiCum, eczematous eruption precipitated by parasite
`infestation.
`e. pustulosum, a later stage of vesiculaz e., in which the vesi-
`cles have become secondarily infected; the lesions become cov-
`ered with purulent crusts.
`SeborrhelC e., sYx sebonheic dermatitis.
`stasis e., eczematous eruption on legs due to or aggravated by
`vascular stasis.
`tropic e., e. occurring in plaques on extensors of the extremities;
`of common occurrence and unknown etiology.
`e. tylOticum, hyperkeratotic dyshidrosis.
`varicose e., e. occurring over areas in which the skin has been
`compromised by varicosities.
`e. verruCosum, e. with hyperkeratosis; chronic lichenified e.
`e. vesiCulosum, dermatitis marked by an eruption of vesicles
`upon erythematous patches that rupture and exude serum.
`weeping e., a moist, eczematous dermatitis.
`winter e., e, resulting from accelerated evaporation of moisture
`(including insensitive sweat) from the cutaneous surface; occurs
`as dry crackled plaques, usually on the extremities, but not infre-
`quently also on the trunk in any season under circumstances
`(occupational, environmental) of excessively rapid drying out of
`the skin.
`eC•zem•1•tl•Za•t1011 (ek-zem'a-ti-zashun). 1. Formation of
`an eruption resembling eczema. 2. Occurrence of eczema secon-
`dary to a preexisting dermatosis.
`
`edema
`
`biz
`@C•Ze•1118•tOld (ek-zem'a-toyd). Resembling eczema in ap.
`pearance.
`@C•Z@•t111•tOUS (ek-zem'a-t~s). Marked by or resembling e~2e,
`ma.
`E~ Abbreviation for effective dose; ethyldichloroarsine; eatip
`disorders, under disorder; emergency department; erectile d
`function.
`ED50 Abbreviation for median effective dose.
`@•dath•a•IY11~ (~-dath'a-mil). sYx ethylenediaminetetraacetic,
`id.
`EDC Abbreviation for expected date of confinement. sEs Iva n'
`rule.
`e•de•8 (e-de''d). The external genitals. [G. aidoia, genita]s]
`@•de•iY18 (e-de'ma). 1. An accumulation of an excessive amount
`of watery fluid in cells or intercellulaz tissues. 2. At the gross
`level, used to describe the physical sign commonly likened to
`swelling or increased girth that often accompanies the accumula.
`tion of fluid in a body part, most often a limb. (G, oidem~, a
`swelling]
`ambulant e., e. that forms during walking.
`anglon8urotiC e., sYrr angioedema.
`BePlin e. (bar-lin'), retinal e. after blunt trauma to the globe.
`blue e., the swelling and cyanosis of an extremity in paral~,i,
`secondary to conversion.
`'~ ~'"~
`brain e., s~ cerebral e.
`b~aWny 8., sYx nonpitting e.
`brown e., e. of the lungs associated with chronic passive conges-
`tion.
`bullous e., a reddened, swollen appearance of the ureteral ori-
`fice in the bladder wall, frequently observed with distal ureteral
`calculi or in tuberculosis of the ureter.
`bullous e. veslcae, a prominent area of focal e. involving the
`bladder epithelium, consisting of elevated masses of edematous
`tissue or clusters of clear fluid-filled vesicles; often associated
`with chronic inflammation or irritation secondary to tubes, foreign
`bodies, or perivesical inflammation.
`CaCheCtiC e., e. occurring in diseases chazacterized by wasting
`and hypoproteinemia; due to low plasma oncotic pressure. sip
`marantic e.
`Ca~diaC e., e. resulting from congestive heart failure.
`Cerebral e., brain swelling due to increased volume of the exva-
`vascular compartment from the uptake of water in the neuropil
`and white matter. seE ni.so brain swelling. sYN brain e.
`Cystoid macular' e. [MIM*153880], e. of the posterior pole
`the eye secondary to abnormal permeability of capillazies o
`central sensory retina.
`dependent e., a clinically detectable increase in extracell
`fluid volume localized in a dependent area, as of a limb, c
`terized by swelling or pitting.
`gestational e., occurrence of a generalized and excessiv
`cumulation of fluid in the tissues of greater than i+ putt!
`12 hours' bed rest, or of a weight gain of 5 pounds or
`week due to the influence of pregnancy.
`e. glottidis, e. of the larynx.
`heat e., e. caused by excessively high external temperature• -
`hereditary angioneurotic e. (HANE) [MIM*106n~~~~ a
`lively rare form of e. characterized by onset, usualty
`~~a~ory
`gastroint st nal ~uactdas ociat d wi h eitherUa deficien~Y°t
`of the inhib~~
`~~disi►'
`esterase inhibitor or a functionally inactive form .
`may worsen during adolescence. There are two clm~callY estd~
`guishable forms: type I, in which the serum level of ~Wh~ch ~
`inhibitor is low (up to 30% of normal), and type Il, a°~~vao~ ~
`level is normal or elevated. There is uncontrolled k'n~~~~k
`from
`early complement components and production ~f a
`for that induces the angioedema; death maY. °a~°osort~ ~'
`respiratory tract e. and asphyxia. Inheritance is
`~~h~b~
`Want, caused by mutation in the C1-esterase
`(CINI~ on chromosome l lq.
`
`i'
`
`3
`
`

`

`cinylacetone
`
`ponychial (1), ~L
`
`a distinct part of a
`e single protein or
`an oligomer protein
`lisulfide bridges be-
`Zer separated froth a
`
`the male or female
`
`ie vagina. 2. On the
`is a sheath.
`'var, sub-val'vu-lar).
`
`or on the ventral
`
`viral particle. [sub- +
`
`vitreous body.
`the mental state bc-
`
`tth any zona or zone
`
`3elow or beneath the
`
`g the flow of juice. 2.
`c, juice, + G. ngogos,
`
`. Relating to a succe-
`:ond teeth that replace
`aneum]
`~ substitute; a drug or
`of and can be used in
`after, substituting, fr.
`sub, under, + cedo, to
`
`ANATOMY substituting
`centurio, pp. -arcs, to
`
`iic acid.
`
`catalyzes the removal
`rts it into fumaric acid:
`complex is a paf mac
`ctase (NADH),
`as). sYN .rurrim~l-CoA
`li gas). svN surrin)•1-
`
`~uk'si-hat sem'e-a~~d~~
`f y-aminobutyrate.
`:atalyzes the reaction °f
`uccinate and
`W?D4 hyr
`s associated
`butanedioic acid. an
`cle; several of its salts
`,4
`thi o-ki has). svN ~"`''~
`iical class of drugs f~0m
`side, methsux~m~de' aan
`~ s. has been used as
`
`A minor meiabo_
`
`:-ton)•
`
`Succinylacetone is6i
`
`suffocate
`
`lite that occurs at elevated levels in individuals with tyrosinemia
`IA.
`N SUC•CI.11)/~•aC~•@•Il~/~•IC 8C•IC~ (suk'si-nil-~d-e-nil'ik as'
`~d), sYN adenylosuccinic acid.
`gUC•CI•Ilyl•Ch0•Illle (suk'si-nil-ko len). A neuromuscular re-
`laxant with short duration of action that characteristically first
`depolarizes the motor endplate (phase I block) but is often later
`associated with a curarelike, nondepolarizing neuromuscular
`block (phase II block); used to produce relaxation for tracheal
`incubation and during surgical anesthesia. sYN diacetylcholine,
`suxamethonium.
`guC•CI•Ily~-CO14 (suk'si-nil). sYH succinyl-coenzyme A.
`g,-CoA synthetase, (1) a ligase reversibly reacting succinate
`and CoA with ATP to produce ADP, inorganic phosphate, and s.-
`CoA-CoA; (2) a similar synthetase, but one able to use itaconate
`as well as succinate and GTP (or ITP) in place of ATP; a part of
`the tricarboxylic acid cycle. srN succinate:CoA ligase, succi-
`n1te:CoA ligase, succinic thiokinase.
`SUC•CI•Ily~-CO•@Il•zyme A (suk'si-nil-ko-en'zim). The con-
`densation product of succinic acid and CoA; one of the intermedi-
`ates of the tricarboxylic acid cycle and a precursor in the synthesis
`of heme. sYN active succinate, succinyl-CoA.
`SUC•CI•nyl•Cll•Ch0•IIt1@ (suk'si-nil-di-ko len). Succinylcho-
`Iine chloride.
`p-suc•ci•nyl•ho•mo•ser•ine (thi•ol)-ly•ase ~suk~s,-n>>-
`o mo-se►'en thi of-li as). An enzyme catalyzing the reaction be-
`tween cystathionine and succinate to form ~-cysteine and O-succi-
`nyl-L-homoserine. sYN cystathionine y-synthase.
`C•COC•rhe•a (suk'o-re a). An abnormal increase in the secre-
`on of a digestive fluid. [L. succus, juice, + G. rhoia, a flow]
`SI1C•CU•bUS (suk'n-bus). A demon, in female form, believed to
`have sexual intercourse with a man during sleep. Cf. incubus. [L.
`succubo, to lie under]
`8UC•CUSS (su-kus'). To make succussion.
`SUC•CUS•SIOII (su-kush'un). A diagnostic procedure involving
`shaking the body to elicit a splashing sound in a cavity containing
`both gas and fluid. [L. sucussio, fr. suc-cutio (subc-), pp. -cussus,
`to shake up, fr. quatio, to shake]
`hippocratic s., a splashing noise produced by shaking the body
`when there is gas or air and fluid in the stomach or intestine, or
`free in the peritoneum, thorax, and, razely, the pericardium. sYN
`hippocratic succussion sound.
`SUCk (suk). 1. To draw a fluid through a tube by exhausting the
`air in front. 2. To draw a fluid into the mouth; specifically, to
`draw milk from the breast. [A.S. sucan]
`SUCk•I@ (suk'el). 1. To nurse; to feed by milk from the breast. 2.
`To suck; to draw sustenance from the breast.
`SUCquet (sn-ka ), J.P., French anatomist, 1840-1870. sEe S.
`annsromoses, under anastomosis, canals, under canal; Sucquet-
`Hoyer anastomoses, under anastomosis; Sucquet-Hoyer canals,
`under canal.
`$~~eral•fate ~sU-~rat'~at). Sucrose octakis (hydrogen sulfate)
`aluminum complex; a polysaccharide with antipeptic activity,
`used to treat duodenal ulcers by providing a protective coating to
`allow healing.
`$U•~rase ~sa~kras). srN sucrose a-o-glucosidase.
`$~~erate ~s~~~at). A compound of sucrose.
`$R o o~Se asD' na~ct s obta ed fromslugar ca ee Sa charur~zf of-
`f""a'r'um (family Gramineae), from several species of sorghum,
`~d from the sugaz beet, Beta vulgaris (family Chenopodiaceae);
`~e ~~mmon sweetener, used in pharmacy in the manufacture of
`~~lucts such as syrup and confections. sYx saccharose, saccha-
`Nm.
`a• octaaCetate, an alcohol denaturant.
`$q~~r~Se OC-D-g~U•CO•SI•dase (su'kros glu'ko-hi dro-las).
`rnZYme solated from the hnte until mucosa will as o act n soe
`~~OS~ (i•e., it contains a subunit that acts on isomaltose sepa-
`
`rately). A deficiency of this enzyme results in defective digestion
`of sucrose and linear a 1,4-glucans sYN sucrase.
`SU•CCO•S@•Ifll•8 (su'kro-se me-'d). The presence of sucrose in
`the blood. [sucrose + G. haima, blood]
`SU•CCO•SU•PI•a (su kro-syu re-~). The excretion of sucrose in
`the urine. [sucrose + G. ouron, urine]
`SUC•tlOtl (suk'shun). The act or process of sucking. sEs nLso
`aspiration (1), aspiration (2). [L. sugo, pp. suctus, to suck]
`posttussive s., a s. sound heazd on auscultation over a pulmon-
`ary cavity at the end of a cough.
`Wangensteen s., a modified siphon that maintains constant
`negative pressure, used with a duodenal tube for the relief of
`gastric and intestinal distention. sYx Wangensteen tube.
`SUC•t0•CI.B) (suk-tore-al). Relating to suction, or the act of
`sucking; adapted for sucking.
`SU•fl8•men, pl. Sll•dam•I.118 (sd-da'men, -dam'i-na). A
`minute vesicle due to retention of fluid in a sweat follicle, or in
`the epidermis. [Mod. L., fr. L. sudo, to sweat]
`SU•dam•I•Ila (sn-dam'i-na). 1. Plural of sudamen. 2. srn milin-
`ria crystallina.
`$U•C18t1 III (su-dan') [C.I. 26100]. A red stain, used for neutral
`fat in histologic technique; it also stains the fatty envelope of the
`tubercle bacillus. sYx Sudan red III.
`SU•Clall IV (sn-dan) [C.I. 26105]. sYx scarlet red.
`SU•dan black BAsa-aan' blak) [C.I. 26150]. A diazo dye; used
`as a stain for fats.
`$U•dan brown ~Su-aan' brown) [C.I. 12020]. A brown stain
`derived from a-naphthylamine and used as a stain for fats.
`SU•dan•O•phll•I.8 (sa-dano-file-a). 1. Affinity for an oil-
`soluble or Sudan dye. 2. A condition in which leukocytes contain
`minute fat droplets that take a brilliant red stain when treated with
`0.2% Sudan III and 0.1% cresyl blue in absolute alcohol.
`SU•dan•O•phil•IC (su dan-o-fil'ik). Staining easily with Sudan
`dyes, usually referring to lipids in tissues.
`SU•dan•O•pho•bIC (su-dan'o-fo'bik). Denoting tissue that
`fails to stain with a Sudan or fat-soluble dye.
`$U•dan red III ~sU-aan red). sYrr Sudan III.
`$U•dan yel•~OW (su-dan' yel'o). Metadioxyazobenzene; a yel-
`low stain for fats. sYx metadioxyazobenzene.
`SU•C~a•tlOn (sn-da'sh~n). sYrt perspiration (1). [L. sudatio, fr.
`su~lo, pp. -atus, to sweat]
`$UfleC1C (su dek), Paul H.M., German surgeon, 186Cr1938. ssa
`S. atrophy, critical point, syndrome.
`SU•(10.1Y10•t01' (su'do-mo'tor). Denoting the autonomic (sym-
`pathetic) nerves that stimulate the sweat glands to activity. [L.
`sudor, sweat, +motor, mover]
`SU•dOC (s6'dor). sYx perspiration (3). [L.]
`S. angllCus, svN English sweating disease.
`s~sudor-. Do not confuse this combining form with pseudo-.
`Sweat, perspiration. [L. sudor]
`SU•d0.1'e•SIS (su do-re'sis). Profuse sweating. [sudor- + G.
`-esis, condition]
`SU•d0•rif•@I'•OUS (sd'do-rifer-us). Carrying or producing
`sweat. [sudor- + L. fero, to bear]
`SU•d0•rif•IC (sG'do-rif ik). Causing sweat. [sudor- + L. facio, to
`make]
`SU•d0•rom•@•ter ~su~do-romp-ter). An instrument for mea-
`suring the amount of perspiration. [sudor- + G. metron, measure]
`SU•dor•rhe•a (su do-re a). svN hyperhidrosis.
`[sudor- + G.
`rhoia, a flow]
`SU•@t (sn et). The hazd fat around the kidneys of cattle and sheep;
`when rendered it yields tallow.
`p~epered s., the internal fat of the abdomen of the sheep, Ovis
`aries, purified by melting and straining; formerly used in phazma-
`cy in making ointments. sYN prepared mutton tallow.
`SUf•f0•CBte (suf'o-kat). 1. To impede respiration; to asphyxiate.
`
`4
`
`

`

`;odilator
`
`vasodilator
`
`2093
`
`vasotonia
`
`provides both preload and afterload reduction through its vasodi-
`latory effects, rather than either alone.
`V8•SO•@p•I•did•y•t110S•t0•IY1y (va'so-ep'i-did'i-mos't~-me).
`Surgical anastomosis of the vasa deferentia to the epididymis, to
`bypass an obstruction at the level of the mid to distal epididymis
`or proximal vas. [vaso- + epididymis + G. stoma, mouth]
`V8•SO•f8C•tIV@ (va'so-fak'tiv, vas-o-). sYx angiopoietic.
`V8•SO•for•1118•t1011 (va'so-for-ma'shun, vas-o-). sYx ingiopoi-
`esis.
`V8•SO•for•fY18•tIV@ (va so-for'm~-dv, vas-o-). sYN angiopoiet-
`ic.
`V8•SO•gan•g~l•Ot1 (va'so-gang'gle-on, vas-o-). Amass of
`blood vessels.
`V8•SOg•C8•phy (va-sog'r~-fe). Radiography of the vas deferens
`to determine patency, by injecting contrast medium into its lumen
`either transurethrally or by open vasotomy. [vas + G. grapho, to
`write]
`V8•SO•IIl•hib•1•t01' (vaso-in-hib'i-tor, vas'o-). An agent that
`restricts or prevents the functioning of the vasomotor nerves.
`V8•SO.111•hib•I•tOC•y (va'so-in-hib'i-tore, vas'o-). Restrain-
`ing vasomotor action.
`V8•SO.18•bile (va'so-la'bil, -bIl, vas-o-). Characterizing the
`condition in which there is lability or active vasomotion of blood
`vessels.
`V8•SO•II•g8•t1011 (va'so-li-ga'shun, vas'o-). Ligation of the vas
`deferens, usually after its division.
`V8•SO•f110•t1011 (va'so-mo shun, vas-o-). Change in caliber of a
`blood vessel.
`V8•SO.1110•tOC (va'so-mo ter, vas-o-). 1. Causing dilation or
`constriction of the blood vessels. 2. Denoting those nerves that
`have this action. svN vasculomotor.
`V8•SO•neu•rop•8•thy (vaso-nu-rop'~-the, vas'o-). Any
`disease involving both the nerves and blood vessels. [vaso- + G.
`neuron, nerve, +pathos, suffering]
`V8•SO-OC•Chl•CIOS•t0•illy (va'so-or'ki-dos'to-me, vas'o-).
`Reestablishment of the interrupted seminiferous channels by unit-
`ing the tubules of the epididymis or the rete testis to the divided
`end of the vas deferens. [vaso- + G. orchis, testis, +stoma,
`mouth]
`V8•SO•p8•ral•y•S~S (va'so-p'd-ral'i-sis, vas'o-). Paralysis, ato-
`nia, or hypotonia of blood vessels. sYx angiohypotonia, angiopa-
`ralysis.
`V8•SO•p8•C@•SIS (vaso-pa-resis, -pare-sis, vas'o-). A mild
`degree of vasopazalysis. sYx angioparesis, vasomotor paralysis.
`[vaso- + G. paresis, weakness]
`~V8•SO•pres•sin (VP) (vaso-pres'in, vas-o-). A nonapeptide
`neurohypophysial hormone related to oxytocin and vasotocin;
`synthetically prepared or obtained from the posterior lobe of the
`pituitary of healthy domestic animals. In pharmacologic doses v.
`causes water retention and contraction of smooth muscle, notably
`` that of all blood vessels; large doses may produce cerebral or
`coronary arterial spasm. See this page. sYrr antidiuretic hormone,
`Pitressin. [vaso- + L. premo, pp. pressum, to press down, + -in]
`8rginlne v. (AVP) [MIM* 192340], v. containing an arginyl resi-
`due in position 8 (as in chickens and most mammals, including
`humans); porcine v. has a lysyl residue at position 8. All are
`vasopressors. sYN argipressin.
`~a•SO•pres•SOP (va'so-pres'2Sr, vas-o-). 1. Producing vasocon-
`striction and a rise in blood pressure, usually understood to be
`systemic arterial pressure unless otherwise specified. 2. An agent
`that has this effect.
`~BSOpCOt@Ct01' (vaz-o pro-t~k'tor). A drug given to promote
`venous drainage, as in pregnancy.
`~a•SO.pune•tUC@ (va so-punk'chur, vas-o-). The act of punc-
`turing avessel with a needle.
`~a•SO•C@•fleX (va so-re fleks, vas'o-). A reflex that influences
`the caliber of blood vessels.
`
`osmoreceptors
`
`I~+mil--~ H-`,—li
`
`nicotine
`
`volumoreceptors
`
`11--~Tl(1 I (~l .I
`
`ether
`
`~ . ~
`
`• ~ ~
`
`I~A~~~ ~A~I
`~v.~~ ~v~
`
`~ ~
`
`psychogenic stimulants I~~! angiotensin II
`pain, stress, etc.
`
`temperature ~~~--~~ barbiturates
`
`II
`
`~~
`
`alwhol
`
`atropine
`
`II
`
`~~
`
`chlorpromazine
`
`supra-
`optic
`nucleus
`
`vasopressin (ADH) ~ D
`l~J
`
`vasopressin: regulation of ADH secretion; effects of various neural and
`mechanical factors on the supraoptic nucleus (+ =stimulation, - =inhibition);
`note that some malignant neoplasms (e.g., bronchogenic carcinoma) may
`also secrete ADH
`
`Va•SO•C@•~8X•1•t1011 (va'so-re'lak-sa'sh~n, vas-o). Reduction
`in tension of the walls of the blood vessels.
`V1•SO•SeC•t10I1 (va so-sek'shun, vas-o-). sYN vasotomy.
`V8•SO•sen•SOC•y (va so-sen's~r-e, vas-o-). 1. Relating to sen-
`sation in the blood vessels. 2. Denoting sensory nerve fibers
`innervating blood vessels.
`Va•SO•SpaSll'1 (va'so-spazm, vas'o-). Contraction or hypertonia
`of the muscular coats of the blood vessels. sYx angiohypertonia,
`angiospasm.
`V8•SO•spas•tIC (va'so-spas'tik, vas-o-). Relating to or charac-
`terized by vasospasm. sYrr angiospastic.
`VaSOSt8tI11S (va-so-stat'ins). N-terminal breakdown products of
`calreticulin or chromogranin A, which inhibit endothelial cell
`proliferation; produced by Some tumors. . [vaso- + G. statos,
`stalled, standing still, + -in]
`V8•SO•Stlll'1•U•I811t (va'so-stim'yd-leant). 1. Exciting vasomo-
`tor action. 2. An agent that excites the vasomotor nerves to action.
`3. sYN vasotonic (2).
`Va•SOS•t0.1YI)/ (v~-sos't~-me). Establishment of an opening
`into the deferent duct. [vaso- + G. stoma, mouth]
`V8•SO•throm•blil (va'so-thrombin, vas-o-). Thrombin derived
`from the lining cells of the blood vessels.
`Va•SO•t0•Cltl (va'so-to'sin, vas-o-). A nonapeptide hormone of
`the neurohypophysis of subvertebrates, with activities similar to
`that of vasopressin and oxytocin; chemically identical with human
`vasopressin except for an isoleucyl residue at position 3; thus [3-
`isoleucine]vasopressin or [Ile3]vasopressin. [vaso, pressin + oxy-
`tocin]
`arglnine v., v, with azginyl residue at position 8 (identical with
`that of arginine oxytocin). saE nLso arginine vasopressin.
`V8•SOt•O•IYIy (va-soYo-me). Incision into or division of the vas
`deferens. srN vasosection. [vaso- + G. tome, incision]
`V8•SO•t0•Ill•8 (va'so-to ne-'d, vas-o-). The tone of blood ves-
`sels, particularly the arterioles. [vaso- + G. tonos, tone]
`
`gut and ligated
`ductus deferens
`(vas deferens)
`
`spermatozoa;
`d microscopi-
`
`i-. [L. vas, a
`
`the tone and
`
`o-). Narrow-
`
`d by increased
`
`by decreased
`
`-). 1. Causing
`:tor (1).
`). 1. An agent
`asoconstrictive
`ar constriction.
`in which the
`~d so are wide
`the blood. sYN
`
`. Reduction of
`9ng in lowered
`
`1, producing
`
`). sYx vasodi-
`
`Widening of the
`h muscle in the
`nen of a vessel.
`ising dilation of
`agent that caus-
`2). 2. A nerve,
`,d vessels.
`ompounds) ~a~
`
`5
`
`