398 GLOSSARY 



Supra. Above. 



Sural. Belonging to the calf or sura, as the sural muscles. 



Surgical neck. The constriction below the head of a long bone at the narrowest 

 portion of the shaft. The anatomic neck is the constriction (however slight) 

 immediately next to the head, between it and the shaft. The surgical neck 

 of the humerus and the anatomic neck of the femur are best examples. 



Suture. A seam. (Latin, sutura.) The joints of the cranium are sutures. 



Symphysis. A growing together, as the symphysis of the mandible. 



Synarthrosis. An immovable joint. 



Synovia. A fluid resembling the white of an egg, found in joint cavities and vaginal 

 synovial membranes. 



Systole. A Greek word meaning contraction. The contraction of the chambers of 

 the heart. 



Talus. The ankle bone upon which the tibia rests. 



Tendo Achillis. The tendon of Achilles. The tendon of calf muscles attached to 

 the calcaneus or heel bone by which Achilles was held when his mother sub- 

 merged him in the river Styx, to render him invulnerable. Only the heel 

 remained un-wetted. 



Tentorium. A tent. The tentorium cerebelli (of the cerebellum) covers the cere- 

 bellum. 



Teres. Round. (Ligamenlum teres round ligament.) 



Testes, or Testicles. The glandular bodies which secrete semen. 



Thalamus. A Greek word meaning a bed. The optic thalamus is in the base or 

 bed of the brain. 



Thenar. Relating to the palm or sole. Hypothenar under the palm or sole 

 applied tothe eminences on the side corresponding to the little finger or toe. 



Thorax. The chest. The portion of the trunk which contains the heart and lungs. 



Thyroid or thyreoid. Shield shaped. 



Torticollis. Twisted neck, wry neck. 



Trabeculae. Little beams. (Plural of trabecula.} The cross bands of connective 

 tissue which support soft structures as in the spleen. 



Transudation. The passing of fluid through a membrane, as of the blood serum 

 through the walls of vessels. 



Trapezium. A four-sided symmetrical figure. Trapezoid, resembling a trapezium, 

 but not symmetrical. Trapezius, applied to a muscle of the back. 



Triceps. Three headed. 



Trigone. A space or surface having three angles or corners. 



Trochanter. From a word signifying a wheel. (The muscles which are attached 

 to the trochanters roll the femurs.) 



Trochlea. A pulley. A trochlear surface is a grooved convexity, as the trochlea of 

 the humerus. 



Trypsin. The ferment of the pancreas which digests proteids. 



Tuber. A swelling or bump. 



Tubercle. A small projection like a swelling. 



Tuberosity. A large projection on a bone. 



Tumor. A swelling of soft tissues. 



Turbinated. Rolled, like a scroll. 



Tympany. The condition caused by inflation of intestines with gas, so that they 

 sound hollow upon percussion, like a tympanum or drum. 



Ulna. A cubit; the elbow. The longer bone in the medial side of the forearm. ^ 



Umbilicus. From a Latin word, umbo, the name of the elevated or depressed point 

 in the middle of an oval shield. 



Ungual. Belonging to the nail or unguis. 



Urea. A substance representing the chief nitrogenous product of tissue waste. 



Ureter. The duct of the kidney, which conveys urine to the bladder. 



Urethra. The passage through which urine is expelled from the bladder. 



Uvula. From uva, a grape, or cluster of grapes (which hangs down from the branch 

 where it grows). 



Vaginal. Like a sheath. 



Vagus. From vagare, to wander. 



Vallate. Situated in a cavity which is surrounded by a ridge. 



Valvulae conniventes. Little valve-like folds. Seen on the mucous coat of the small 

 intestine. 



