270 GLOSSARY. 



Trape'zius. A name given to the two upper superficial muscles of the back, 



because together they resemble a trapezium, or diamond-shaped quad- 

 rangle. 

 Tri'ceps. [From the Lat. tres, "three," and caput, the "head."] A term 



applied to a muscle having a triple origin, or three heads. 

 Tri'cuspid. [From the Lat. tres, "three," and cuspis, cuspidis, a "point."] 



Having three points. 

 Trochan'ter. [From the Gr. trochao, to "turn," to "revolve."] Name given 



to two projections on the upper extremities of the femur, which give 



attachment to the rotator muscles of the thigh. 

 Tryp'sin. The ferment principle in pancreatic juice which converts proteid 



material into peptones. 



Tuberos'ity. [From the Lat. tuber, tuberis, a " swelling."] A protuberance. 

 Tur'binated. [Lat. turbinatus, from turbo, turbinis, a " top."] Formed like 



a top; a name given to the bones in the outer wall of the nasal 



fossae. 

 Tym'panum. [From the Gr. tympanon, a "drum."] The drum or hollow 



part of the middle ear. 



Ul'na. [Lat. the " elbow."] The inner bone of the fore-arm, the olecranon 



process of which forms the elbow. 

 Umbil'icus. [Lat. the " navel."] A round cicatrix or scar in the median 



line of the abdomen. 

 U'rea. [From the Lat. urina, " urine."] Chief solid constituent of urine. 



Nitrogenous product of tissue decomposition. 

 Ure'ter. [From the Gr. oureo, to " pass urine."] The tube through which 



the urine is conveyed from the kidney to the bladder. 

 Ureth'ra. [From the Gr. oureo, to " pass urine."] The canal through which 



the urine is conveyed from the bladder to the meatus urinarius. 

 U'vula. [Dim. of Lat. uva, a "grape."] The small, elongated, fleshy body 



hanging from the soft palate. 



Vag'inal. [From the Lat. vagina, a " sheath."] Sheath-like. 



Val'vulae Conniven'tes. [Lat.] A name given to transverse folds of the 

 mucous membrane in the small intestine. 



Vas'a Vaso'rum. [Lat.] " The vessels of the vessels." The small blood- 

 vessel which supply the walls of the larger blood-vessels with blood. 



Vas'cular. [From the Lat. vasculum, a "little vessel."] Relating to vessels; 

 full of vessels. 



Va'so-constric'tor. [From the Lat. vas, a " vessel," and constringuo, to " con- 

 strict."] An agent which brings about constriction of blood-vessels : spe- 

 cifically a nerve when stimulated, or a drug which acts in this way when 

 administered. 



Va'so-dila'tor. [From the Lat. vas, a "vessel," and dilator, a "dilator."] 

 An agent which brings about dilatation of lolood-vessels. 



Ve'nae Ca'vse, pi. of Ve'na Ca'va. [Lat.] " Hollow veins." A name given 

 to the two great veins of the body which meet at the right auricle of the 

 heart. 



