thyrotoxin (thi-ro-toks'in)

A serum claimed to be cytolytic, prepared by injecting animals with ground-up thyroid ti ue. tibia of the(tib'e-ah). two of the A leg, long on bone, the larger the anterior and medial side of which it is placed. Its upper extremity bears two concave surfaces covered with cartilage, separated by the crucial spine, for articulation with the femur, and bears on each side two prominences, the lateral and medial tuberosities. The shaft is three-sided, smaller in the middle than at either end, its medial surface being subcutaneous. The lower extremity is enlarged transversely and projects downward on the inner side as the medial malleolus, presenting a concave surface for articulation with the astragalus; laterally is a surface covered with cartilage for articulation with the fibula, and posteriorly are grooves for the tendons of the tibial is posticus and flexores digitorum ped is and pollicis long i. [Lat., tibia, shin.] tibial near (tib'e-al). or toward the Pertaining tibia. to or situated tibialiscle (tib-e-al'is). connected with 1. the Tibial. tibia. 2.See A table mus of muscles, under muscle, t. phenomenon. The dorsal extension of the foot of a paralyzed leg on flexing the leg towards the body. [Lat.]