Sacrum. Triangular bone above the coccyx.

Saphe'nous. Applied to two superficial veins and nerves of the lower limb and to an opening in the thigh.

Sarcolem'ma. A husk or sheath, covering of individual muscle fibre.

Sarto'rius. A muscle used in crossing the legs, as a tailor does at work.

Scale'nus. A figure with three unequal sides, muscle of the neck.

Sca'phoid. Boat-shaped, a bone of the instep and wrist.

Scap'ula. The shoulder-blade.

Sciat'ic. Contraction of ischiatic, the haunch or hip.

Sciat'ica. Pain extending along the course of the sciatic nerve.

Seba'ceous. Pertaining to fat.

Se'bum or se'vum. Suet, lard.

Se'rum. Watery fluid separated from the blood.

Ses'amoid. Resembling a grain of sesamum, small bones situated in tendons.

Sig'moid. Like the letter S.

Si'nus. A cavity or canal.

Sole'us. A muscle of the calf shaped like the sole of a shoe.

Sphe'noid Wedge-like, a bone of the cranium.

Spi'ca. An ear of corn, the name of a bandage.

Splanch'nic. Pertaining to the viscera.

Sple'nic. Relating to the spleen.

Ster'num. The breast-bone.

Stria'ted. That which has furrows or lines, applied to voluntary muscle.

Sub'cla'vian. Under the clavicle.

Subcuta'neous. Under the skin.

Sudorif'orous. Pertaining to sweat.

Suprare'nal. Over the kidney.

Su'ture. A seam, dove-tailed joints.

Symphysis. Union of bone by cartilage.

Synchondro'sis. Articulation by intervening cartilage,

Syncope (sin'-ko-pe). A sudden suspension of the heart's action.

Syno'via. A fluid resembling white of egg.

Tapote'ment. Tapping

Tar'sus. The instep.

The'nar. The palm of the hand or sole of the foot.

The'nar eminence. The ball of the thumb.

Tho'rax. The chest.

Thy'roid. Shield-shaped, applied to a gland and cartilage in the larynx, and to an opening in the hip-bone.

Trache'a. The windpipe.

Transversal'is. That which is placed across.

Tri'ceps. Having three heads, muscles of arm and leg.

Tricus'ped. Having three cusps or points.

Trochle'a. Pulley-like.

Tryp'sin. A ferment in pancreatic juice which converts proteids into peptones.

Tuberosity. Knob-like prominence on bone.

Umbili'cus. The navel.

Ure'a. Chief solid constituent of urine.

Vas'a vaso'rum. Vessels of vessels.

Vascu'lar. Full of vessels.

Vas'o-motor. Nerves which supply bloodvessels and viscera.

Ver'tebrae. The bones of the spine.

Villi. Minute projections on the lining of the small intestines for absorbing digested food.

Vis'cera. Internal organs of the body.

Zygo'ma. A yoke or arch formed by processes of temporal and mala bone.

Zy'phoid. Sword-shaped, lower part of sternum.