Pal´mar. Relating to the palm of the hand.

Pan´cre-as (Gr. πᾶς, παντός, pas, pantos, all, and κρέας, kreas, flesh). A long, flat gland situated near the stomach; in the lower animals the analogous organ is called the sweet-bread.

Pa-pil´læ (L. papil´la). The minute prominences in which terminate the ultimate fibres of the nerves of touch and taste.

Pa-ral´y-sis. A disease of the nervous system marked by the loss of sensation, or voluntary motion, or both; palsy.

Par-a-ple´gi-a (Gr. παραπλήσσω, paraplesso, to strike amiss). A form of paralysis affecting the lower half of the body.

Pa-tel´la (L. dim. of pat´ina, a pan). The knee-pan; a small bone.

Pel´vis (L.). Literally a basin; the bony cavity at the lower part of the trunk.

Pep´sin (Gr. πέπτω, pepto, to digest). The organic principle of the gastric juice.

Per-i-stal´tic Move´ments (Gr. περιστέλλω, peristello, to contract). The slow, wave-like movements of the stomach and intestines.

Per-i-to-ne´um (Gr. περιτείνω, periteino, to stretch around). The investing membrane of the stomach, intestines, and other abdominal organs.