Tet´a-nus (Gr. τείνω, teino, to stretch). A disease marked by persistent contractions of all or some of the voluntary muscles; those of the jaw are sometimes solely affected: the disorder is then termed locked-jaw.
Tho´rax (Gr. θώραξ, thorax, a breastplate). The upper cavity of the trunk of the body, containing the lungs, heart, etc.; the chest.
Thy´roid (Gr. θυρεός, thureos, a shield). The largest of the cartilages of the larynx; its angular projection in the front of the neck is called "Adam's apple."
Tra´che-a (Gr. τραχύς, trachus, rough). The windpipe, or the largest of the air-passages; composed in part of cartilaginous rings, which render its surface rough and uneven.
Trans-fu´sion (L. transfun´do, to pour from one vessel to another).
The operation of injecting blood taken from one person into the veins of another; other fluids than blood are sometimes used.
Trich-i´na Spi-ra´lis. (L.) A minute species of parasite or worm, which infests the flesh of the hog, and which may be introduced into the human system by eating pork not thoroughly cooked.
Tym´pa-num (Gr. τυμπανον, tumpanon, a drum). The cavity of the middle ear, resembling a drum in being closed by two membranes, and in having communication with the atmosphere.
U´vu-la (L. uva, a grape). The small pendulous body attached to the back part of the palate.
Vas´cu-lar (L. vas´culum, a little vessel). Pertaining to, or containing blood-vessels.