GLOSSARY 263 



Pa ri' e tal (paries, a wall). 



Par of id (para, near; ous, ear): the name of a salivary gland. 



Pec' to ral {pectus, breast): pertaining to structures in the region of the breast. 



Ped' i cles {pediculus, a little foot) : the foot of the neural arch. 



Pe' dun cles {pedunctilus, a little foot) : bands of fibers uniting certain parts of the 

 brain. 



Pel' vie : relating to the cavity between the innominate bones. 



Pent a dac' tyl : five-toed, as in phenacodus, etc. 



Per i mys' i um {peri, around; mus, a muscle): the tissue which envelops the 

 primary bundles of muscle fibers. 



Per is so dac' ty la {perissos, odd; dactyl, finger) : those ungulates having an odd 

 number of digits. 



Pe riph' e ral : pertaining to the outside. 



Per i to ne' um {peri, around; teinein, to stretch) : the serous membrane lining 

 the abdominal cavity and surrounding most of the organs within it. 



Per o ne' al {perone, a pin) : relating to the fibula. 



Pe' des : plural of pes. 



Pes: foot. 



Pha Ian' ges: plural of phalanx. 



Phal' anx : one of the bones of the fingers or toes. 



Phar' ynx (throat) : the cavity back of the mouth. 



Phren' ic {phren, diaphragm) : pertaining to the diaphragm, 



Phy log' e ny {phyla, tribe; genas, producing): that science treating of the evo- 

 lution of a group. 



Pi' a ma' ter (soft mother) : the delicate membrane next to the brain and cord. 



Plan' ti grade : where entire sole of foot or hand rests on ground, as in the hind- 

 foot of the bear. 



Pneu mo gas' trie {pnenma, air; gaster, stomach): the vagus nerve. 



Poi kil ther' mous: bodily temperature varying with surrounding medium, as 

 in cold-blooded animals. 



Pons: bridge. Pons Varolii. 



Pop lit' e al {poples, knee) : pertaining to the caudal region of the knee-joint. 



Post: a common prefix meaning after or behind. 



Pri ma' tes {primus, first) : the highest order of mammals, including man and the 

 monkeys. 



Pro fim' da {profundus, deep) ; a term given to a part deep-seated. 



Pro to chor da' ta {prolos, first; chorda, cord): those forms between the inverte- 

 brates and vertebrates. Seasquirts. 



Pro to the' ri a {protos, first; ther ion, beast): the oviparous mammals. 



Prox' i mad : toward the central axis of the body. 



Prox' i mal : that part nearest to the central axis of the body. 



Pter' y goid {pteron, wing; oid, like) : part of the sphenoid bone. 



Pul' mo na ry {pulmo, lung) : pertaining to the lung. 



Py lor' us : {pyloros, gate-keeper) : the opening of the stomach into the duodenum. 



