VALETUDINARIAN 



1588 



VANDELLIA 



Valetudinarian (val-et-u-din-a' '-re-an) \yaletudinarius ; 

 valetudo, health]. An invalid. 



Valetudinarium (val-et-u-din-a' '-re-u/n) [ L.]. An in- 

 firmary or hospital. [Old.] 



Valeur globulaire, of Lepine. The proportion of 

 hemoglobin to the number of red corpuscles, expressed 

 in terms of the amount of hemoglobin in an individual 

 corpuscle. 



Valgus (val'-gus) [L. ] I. A bow-legged man. 2. 

 See Talipes. V., Nervous, valgus of neurotic origin. 

 V., Paralytic, valgus caused by paralysis of the tibia- 

 lis anticus. V., Spurious. Same as Splay-foot. 



v"alidirostral (yal-id-ir-os' -tral ) [validus, strong ; ros- 

 trum, beak]. In biology, furnished with a stout 

 beak. 



Vallate (val' -at) [vallum, rampart]. In anatomy, sur- 

 rounded with a walled depression ; cupped. 



Vallecula (val-ek' -u-lah) [valles,va\e: pi., Vallecula:']. 

 In biology, a groove, depression, or furrow. A name 

 applied to several slight furrows or pits of the body. 

 Specifically, a deep mesal crevice of the cerebellum. 

 V. cerebelli. See Valley of the Cerebellum. 



Vallecular (val-ek' '-u-lar) [vallecula, a little furrow]. 

 Pertaining to or resembling a vallecula. V. Canal, 

 an intercellular canal in the stem of certain Equiseta- 

 cece, opposite a groove on the surface. 



Valleculate (jial-ek'-u-ldt) [vallecula, a little furrow]. 

 Marked with valleculae. 



Valleix, Tender Points of. Certain painful points ob- 

 served in intercostal neuralgia : (i) at the exit of the 

 nerve from the spinal canal ; (2) in the axillary 

 region ; (3) close to the sternum or in the epigastrium. 

 See Points douloureux. 



Vallet's Mass. See Ferrum. 



Valley of the Cerebellum. The depression dividing 

 the lateral hemispheres of the cerebellum. 



Valli-Ritter's Law. See Law. 



Vallicula (val-ik'-u-lali). See Vallecula. 



Vallum (yal'-uni) [L.]. In anatomy, the supercilium 

 or eyebrow. 



Valonia (ya-lo' '-ne-ak) [Gr. , (iakavoq, an acorn]. The 

 commercial name for the acorn-cups of several species 

 of oak (Quercus cegilops and Q. macrolepis) coming 

 from Asia Minor, Roumelia, and Greece. They are 

 of a bright-drab color and contain 25 to 35 per cent, 

 of a tannin somewhat resembling that of oak-bark, 

 but giving a browner color and a heavier bloom. 

 They are generally used in admixture with oak-bark, 

 myrobalans, or mimosa-bark, because of themselves, 

 they produce too brittle a leather. 



Valsalva's Experiment, V.'s Method. In the nor- 

 mal subject if the patient be directed to hold the nose 

 tightly, shut his mouth, and forcibly expire, the air 

 passes up the Eustachian tubes and distends the cavity 

 of the tympanum. V., Sinus of. See Sinus. 



Valva (val'- vak) [yalva, the leaf of a door : pi. , 

 Valves]. In biology, a valve. The maxilla of a 

 bee. 



Valval (val' -val) [valva, valve]. Pertaining to a 

 valve. 



Valvar (val'- var) [valva, valve]. Pertaining to or of 

 the nature of a valve. 



Valvate {val'- vat) [yalva, the leaf of a door]. In 

 biology, resembling or functioning as a valve. Ap- 

 plied in botany to a form of dehiscence of some 

 anthers and to a form of estivation in which the 

 pieces of the whorl touch each other by their edges, 

 but do not overlap. 

 I Valve (valv) [valva?, folding doors]. A membrane or 

 lid so affixed to a tube or canal that it opens to permit 

 free passage one way, but closes to intercept passage 

 in the opposite direction. V., Aortic, the semilunar 



valve of three segments situated at the junction of th 

 aorta with the heart. V. of Bauhin, the ileo-ceca 

 valve. See Ileo-cecal valve. V., Bicuspid. Sam 

 as V., Mitral. V., Connivent. See Duodenum 

 V., Coronary, the valve that protects the orifie 

 of the coronary sinus and prevents regurgitation ol 

 blood during the contraction of the auricle. V., Eusta 

 chian, that between the post-cava and the right auricle 

 V. of Hasner, an imperfect valve at the inferior mea 

 tus of the nose. V., Heister's, folds of mucous mem 

 brane of the neck of the gall-bladder. V., Houston's 

 three oblique folds in the mucous membrane of th> 

 rectum at about the level of the prostate. V., Ileo 

 colic, the valve that guards the communication oi ih 

 ileum with the colon. V. of Kerkring. See Duo 

 denum. Vs. of the Lymphatics, semilunar folds ol 

 the inner coat opposite each other. V., Mitral, th 

 valve that controls the opening from the left auricle I 

 the left ventricle ; it is constituted of two leaflets. ■ V. 

 Pulmonary, the three semilunar leaflets at the junctioi 

 of the pulmonary artery and the right ventricle. V. 

 Pyloric, a thick fold of mucosa covering the pylori 

 sphincter. Vs., Semilunar, the three valves guard 

 ing the orifice of the pulmonary artery ; also th 

 three valves at the orifice of the aorta. V.-tes 

 (Azoulay's), auscultation of the heart while the patier 

 is lying with the arms raised perpendicularly and th 

 legs lifted obliquely. V. of Thebesius, the coronarj 

 valve or fold of the endocardium of the right uuricl 

 which protects the coronary sinus. V., Tricuspid, thi 

 which controls the opening from the right auricle 1 i 

 the right ventricle ; it is constituted of three sen 

 ments. V. of Tulpius, the ileo-cecal valve. V. c 

 Varolius, the ileo-cecal valve. Vs. of a Veil I 

 semilunar folds of the ental coat of veins. V. c 

 Vieussens, a thin leaf of medullary substance b-j 

 tween the prepeduncles of the cerebellum ; the \ 



Valviferous (val-vif -er-tis) [yalva, valve ; /< 

 bear]. Bearing a valve. 



Valviform (val' '- vif-orm) [valva, valve; forma. 

 Valvular. 



Valvula (val' '- vu-la/i) [dim. of valva, a valve]. I 

 small valve; a valvule. Specifically, a trans] 

 lamina between the gemina and the lingula, constitutiij 

 the caudal portion of the mesocelian roof. Valvu. 

 conniventes (or valves of Kerkring). St 

 num. 



Valvular (val'-vu-lar) [valvula, a small valve]. 1 

 taining to a valvula or to a valve. 



Valvule (val'-vul) [yalva, the leaf of a door], 

 biology, a little valve. 



Valvulitis (val-vu-li'-tis) [valvula, a small valve; 

 inflammation]. Inflammation of a valve, espec:a| 

 of a cardiac valve. 



Valylene (val'-il-en), C-H fi . A hydrocarbon with j 

 alliaceous odor; it boils at 50 C. and is a h< 

 of vinyl acetylene. 



Vampirism (vam'-pir-izm)[R\iss. , vampiru. 

 The (imaginary) practice of sucking the blood 

 persons; the insane belief that some pel 

 one's blood by night. This belief is endeni 

 countries, and is not uncommon among lun 



Vanadium yan-a' -de-uni) [Vanadis, a godd 

 Scandinavian mythology]. A metal of tin 

 group; symbol V; at. wt. 51.2. Its oxid 

 vanadic and vanadous acids. See Elements, 

 V. Bronze. See Pigments, Conspectus of. 



Van Bemmelen, Papilliform Bodies of. 

 Megalesthete. 



Van Deen's Test. See Tests, Table of. 



Vandellia (van-del '-e-ak) [after Vandelli, 

 botanist]. A genus of scrophulariaceous pi 



