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Medical Dictionary


vaginodynia (vaj′i-no-din′e-a)
Vaginal pain. SYN: colpodynia.

vaginofixation (vaj′i-no-fik-sa′shun)
Suture of a relaxed and prolapsed vagina to the abdominal wall. SYN: colpopexy, vaginapexy, vaginopexy.

vaginohysterectomy (vaj′i-no-his-ter-ek′to-me)
SYN: vaginal hysterectomy.

vaginolabial (vaj′i-no-la′be-al)
Relating to the vagina and the pudendal labia.

vaginomycosis (vaj′i-no-mi-ko′sis)
Vaginal infection due to a fungus. SYN: colpomycosis.

vaginopathy (vaj-i-nop′a-the)
Any diseased condition of the vagina. [vagino- + G. pathos, suffering]

vaginoperineal (vaj′i-no-per-i-ne′al)
Relating to or involving the vagina and perineum.

vaginoperineoplasty (vaj′i-no-per-i-ne′o-plas-te)
Plastic surgery of the perineum involving the vagina. SYN: colpoperineoplasty. [vagino- + perineum, + G. plastos, formed]

vaginoperineorrhaphy (vaj′i-no-per-i-ne-or′a-fe)
Repair of a lacerated vagina and perineum. SYN: colpoperineorrhaphy. [vagino- + perineum, + G. rhaphe, suture]

vaginoperineotomy (vaj′i-no-per-i-ne-ot′o-me)
SYN: episiotomy. [vagino- + perineum, + G. tome, incision]

vaginoperitoneal (vaj′i-no-per-i-to-ne′al)
Relating to the vagina and the peritoneum.

vaginopexy (vaj′i-no-pek-se)
SYN: vaginofixation.

vaginoplasty (vaj′i-no-plas-te)
Plastic surgery of the vagina. SYN: colpoplasty. [vagino- + G. plastos, formed]

vaginoscopy (vaj-i-nos′ko-pe)
Inspection of the vagina, usually with an instrument.

vaginosis (va′jin-o′sis)
Disease of the vagina. bacterial v. infection of the human vagina that may be caused by anaerobic bacteria, especially by Mobiluncus species or by Gardnerella vaginalis. Characterized by excessive, sometimes malodorous, discharge. SYN: Gardnerella vaginitis, nonspecific vaginitis.

vaginotomy (vaj-i-not′o-me)
SYN: colpotomy.

vaginovesical (vaj′i-no-ves′i-kal)
Relating to the vagina and the urinary bladder.

vaginovulvar (vaj′i-no-vul′var)
Relating to the vagina and the vulva.

Vaginulus plebeius (vaj-i-noo′lus ple′be-e-us)
The slug vector of Angiostrongylus costaricensis.

vagitus uterinus (va-ji′tus u-ter-i′nus)
Crying of the fetus while still within the uterus, possible when the membranes have been ruptured and air has entered the uterine cavity. [L. fr. vagio, to squall; L. fr. uterus, womb]

The vagus nerve. [L. vagus]

vagoaccessorius (va-go-ak-ses-so′re-us)
The vagus and the cranial root (accessory portion) of the accessory nerve, regarded as one nerve. See accessory nerve [CN XI].

vagoglossopharyngeal (va′go-glos′o-fa-rin′je-al)
Relating to the vagus and glossopharyngeal nerves; denoting their contiguous or common nuclei of origin and termination and regions innervated by both nerves such as the musculature of the pharynx.

vagolysis (va-gol′i-sis)
Surgical destruction of the vagus nerve. [vago- + G. lysis, a loosening]

vagolytic (va-go-lit′ik)
1. Pertaining to or causing vagolysis. 2. A therapeutic or chemical agent that has inhibitory effects on the vagus nerve. 3. Denoting an agent having such effects.

vagomimetic (va′go-mi-met′ik)
Mimicking the action of the efferent fibers of the vagus nerve.

vagotomy (va-got′o-me)
Division of the vagus nerve. [vago- + G. tome, incision]

vagotonia (va-go-to′ne-a)
Archaic designation for a condition in which the parasympathetic autonomic system is reputedly overactive. SYN: parasympathotonia, sympathetic imbalance. [vago- + G. tonos, strain]

vagotonic (va-go-ton′ik)
Relating to or marked by vagotonia.

vagotropic (va-go-trop′ik)
Attracted by, hence acting upon, the vagus nerve. [vago- + G. tropos, turning]

vagovagal (va′go-va′gal)
Pertaining to a process that utilizes both afferent and efferent vagal fibers.

vagus, gen. and pl. vagi (va′gus; va′gi, -ji)
SYN: v. nerve [CN X]. [L. wandering, so-called because of the wide distribution of the nerve]

Symbol for valine and valyl.

valence, valency (va′lens, -len-se)
The combining power of one atom of an element (or a radical), that of the hydrogen atom being the unit of comparison, determined by the number of electrons in the outer shell of the atom (v. electrons); e.g., in HCl, chlorine is monovalent; in H2O, oxygen is bivalent; in NH3, nitrogen is trivalent. [L. valentia, strength] negative v. the number of v. electrons an atom can take up. positive v. the number of v. electrons an atom can give up.

valent (va′lent)
Possessing valence.

Gabriel G., German-Swiss physiologist, 1810–1883. See V. corpuscles, under corpuscle, V. ganglion, V. nerve.

Ferdinand C., U.S. surgeon, 1851–1909. See V. position, V. test.

valepotriates (val′e-po′tre-ats)
A class of iridoid alkaloids from Valeriana sp. and Kentranthus sp.; E.G., the drug valtratum is a member of this class.

valerate (val′e-rat)
A salt of valeric acid; some are used in modern medicine. SYN: valerianate.

valerian (va-ler′e-an)
1. The rhizome and roots of Valeriana officinalis (family Valerianaceae), a herb native in southern Europe and northern Asia, cultivated also in Great Britain and the U.S.; has been used as a sedative in hysteria and at menopause. 2. Referring to a class of terpene alkaloids obtained from v. (1). SYN: vandal root.

valerianate (va-le′re-a-nat)
SYN: valerate.

valeric acid (va-ler′ik, va-ler′ik)
Normal aliphatic acid; distilled from valerian; some of its salts are used in medicine; found in human colon. SYN: pentanoic acid.

valethamate bromide (va-leth′a-mat)
An anticholinergic agent.

valetudinarian (val′e-too-di-nar′e-an)
1. An invalid or person in chronically poor health. 2. One whose chief concern is his/her invalidism or poor health. [L. valetudinarius, sickly]

valetudinarianism (val′e-too-di-nar′e-an-izm)
A weak or infirm state due to invalidism.

valgoid (val′goyd)
Relating to valgus; knock-kneed; suffering from talipes valgus. [L. valgus, bowlegged, + G. eidos, resemblance]

valgus (val′gus)
Bent or twisted outward away from the midline or body; modern accepted usage, particularly in orthopedics, erroneously transposes the meaning of varus to v., as in genu valgum (knock-knee). [Mod. L. turned outward, fr. L. bowlegged]

Effective; producing the desired result; verifiably correct. [L. valeo, to be strong]

validation (val-i-da′shun)
The act or process of making valid. consensual v. the confirmation of the experience or judgment of one person by another.

validity (va-lid′i-te)
An index of how well a test or procedure in fact measures what it purports to measure; an objective index by which to describe how valid a test or procedure is. concurrent v. an index of criterion-related v. used to predict performance in a real-life situation given at about the same time as the test or procedure; the extent to which the index from one test correlates with that of a nonidentical test or index; e.g., how well a score on an aptitude test correlates with the score on an intelligence test. construct v. the extent to which a test or procedure appears to measure a higher order, inferred theoretical construct, or trait in contrast to measuring a more limited, specific dimension. content v. the extent to which the items of a test or procedure are in fact a representative sample of that which is to be measured; e.g., items relating to ability in arithmetic and defining words are appropriate content for an intelligence test. criterion-related v. the degree of effectiveness with which performance on a test or procedure predicts performance in a real-life situation; e.g., a good correlation between a score on an intelligence test such as the Scholastic Aptitude Test and one's 4-year college grade point average. face v. the extent to which the items of a test or procedure appear superficially to sample that which is to be measured. predictive v. criterion-related v. used to predict performance in a real-life task at a future time. See construct v., criterion-related v..

valine (Val, V) (val′in)
2-Amino-3-methylbutanoic acid;the l-isomer is a constituent of most proteins; a nutritionally essential amino acid.

valinomycin (val′i-no-mi-sin)
Cyclododecadepsipeptides ionophore antibiotic derived from Streptomyces fulvissius; a 36-membered ring structure consisting of 3 mol each of l-valine, d-α-hydroxyisovaleric acid, d-valine, and l-lactic acid linked alternately. The material is used as an insecticide and nematocide.

valla (val′a)
Plural of vallum.

vallate (val′at)
Bordered with an elevation, as a cupped structure; denoting especially certain lingual papillae. SEE ALSO: circumvallate. [L. vallo, pp. -atus, to surround with, fr. vallum, a rampart]

vallecula, pl .valleculae (va-lek′u-la, -le) [TA]
A crevice or depression on any surface, particularly the spaces between the epiglottis and the base of the tongue, right and left. SYN: valley. [L. dim. of vallis, valley] v. cerebelli [TA] a deep hollow on the inferior surface of the cerebellum, between the hemispheres, containing the medulla oblongata and the falx cerebelli. SYN: v. of cerebellum [TA] , vallis. v. of cerebellum [TA] SYN: v. cerebelli. epiglottic v. [TA] a depression immediately posterior to the root of the tongue between the median and lateral glossoepiglottic folds on either side. SYN: v. epiglottica [TA] . v. epiglottica [TA] SYN: epiglottic v.. v. sylvii SYN: lateral cerebral fossa. v. unguis SYN: sulcus matricis unguis.

François L. I., French physician, 1807–1855. See V. points, under point.

valley (val′e)
SYN: vallecula.

vallis (val′is)
SYN: vallecula cerebelli. [L. valley]

vallum, pl .valla (val′um, -a)
1. [NA] Any raised, more or less circular ridge. 2. The slightly raised outer wall of the circular depression, or fossa, surrounding a vallate papilla of the tongue. [L. a rampart, fr. vallus, a stake] v. unguis [TA] SYN: nail wall.

valmethamide (val-meth′a-mid)
SYN: valnoctamide.

valnoctamide (val-nok′ta-mid)
An antianxiety agent. SYN: valmethamide.

valoid (val′oyd)
SYN: equivalent extract. [L. valeo, to be strong]

valproic acid (val-pro′ik)
An anticonvulsant used to treat seizure disorders; also used as the sodium salt, valproate sodium.

Antonio M., Italian anatomist, 1666–1723. See aneurysm of sinus of V., V. antrum, V. ligaments, under ligament, V. maneuver, V. muscle, V. sinus, teniae of V., under tenia, V. test.

value (val′u)
A particular quantitative determination. For values not given below, see the specific name. SEE ALSO: index, number. [M.E., fr. O.Fr., fr. L. valeo, to be of v.] acetyl v. the milligrams of KOH required to neutralize the acetic acid produced by the hydrolysis of 1 g of acetylated fat; a measure of the hydroxy acids present in glycerides; notably high in castor oil. buffer v. the power of a substance in solution to absorb acid or alkali without change in pH; this is highest at a pH v. equal to the pKa v. of the acid of the buffer pair. SEE ALSO: buffer capacity. SYN: buffer index. buffer v. of the blood the ability of the blood to compensate for additions of acid or alkali without disturbance of the pH. C v. the total amount of DNA in a haploid genome. caloric v. the heat evolved by a food when burnt or metabolized. Hehner v. SYN: Hehner number. homing v. in a cybernetic system such as homeostasis, that v. of a trait of interest that the restorative forces are directed towards maintaining. iodine v. SYN: iodine number. maturation v. an indicator of the level of maturation attained by vaginal epithelium and used as a factor in cytohormonal evaluation from the maturation index by valuing the parabasal cells at 0.0, the intermediate cells at 0.5, and the superficial cells at 1.0; for special investigations, subtypes of a major cell can be given different values. normal values a set of laboratory test values used to characterize apparently healthy individuals; now replaced by reference values. pH v. pH. phenotypic v. in quantitative genetics, the metrical quantity of some trait associated with a particular phenotype. predictive v. an expresion of the likelihood that a given test result correlates with the presence or absence of disease. A positive predictive v. is the ratio of patients with the disease who test positive to the entire population of individuals with a positive test result; a negative predictive v. is the ratio of patients without the disease who test negative to the entire population of individuals with a negative test. Rf v. Rf. reference values a set of laboratory test values obtained from an individual or group in a defined state of health; this term replaces normal values, since it is based on a defined state of health rather than on apparent health. thiocyanogen v. SYN: thiocyanogen number. threshold limit v. (TLV) the maximum concentration of a chemical recommended by the American Conference of Government Industrial Hygienists for repeated exposure without adverse health effects on workers.

valva, pl .valvae (val′va, -ve) [TA]
SYN: valve. [L. one leaf of a double door] v. aortae [TA] SYN: aortic valve. v. atrioventricularis dextra [TA] SYN: tricuspid valve. v. atrioventricularis sinistra [TA] SYN: mitral valve. v. ileocecalis [TA] SYN: ileal papilla. v. mitralis mitral valve. v. tricuspidalis tricuspid valve. v. trunci pulmonalis [TA] SYN: pulmonary valve.

valval, valvar (val′val, val′var)
Relating to a valve.

valvate (val′vat)
Relating to or provided with a valve. SYN: valvular.


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