GLOSSARY. 263 



Tibia'lis Posti'cus. [Lat.] The muscle situate at the posterior part of the 



tibia. 

 Tone. [Gr. tonos, from, teino, to "stretch."] The state of tension or firmness 



proper to each organic tissue. 

 Trabec'ulae. [Lat. pi. of trabecula, a "little beam."] A term applied to 



prolongations of fibrous membranes which form septa, or partitions. 

 Tra'chea. [Lat.] The windpipe. 

 Transversa'lis. [Lat. from trans, " across," and verto, versum, to "turn, "to 



"direct."] A term applied to a muscle which runs in a transverse direc- 

 tion. 

 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, cutpidis, 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. turbinatu*, 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 ot tissue decomposition. 

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



the urine is conveyed from the kidney to tlie bladder. 

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



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

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



hanging from the soft palate. 



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



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- 



vessels which supply the walls of the larger blood-yesxe/s with blood. 

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



full of vessels. 



