Part 166

PARI´ETAL (bones), a. for n. Expanded bones forming part of the cranium.

PARI´ETES, n. Wall.

PAROCCIP´ITAL, a. for n. Certain lateral elements of the occipital bone.

PAROT´IC, a. About the ear. (45.)

PAROT´ID, a. or n. Pertaining to the ear. Especially, a salivary gland situate near the ear.

PAS´SERES, n. pl. A group of birds including sparrows and all the higher birds.

PAS´SERINE, a. Sparrow-like. Belonging to the group of Passeres.

PATEL´LA, n. Knee-pan; knee-cap. Sesamoid bone of knee-joint.

PAT´ENT, a. Open.

PATHOL´OGY, n. Physiology of disease.

PEC´TEN, n. Same as MARSUPIUM (which see).

PEC´TINATE, PEC´TINATED, a. Having tooth-like projections, like those of a comb.

PECTINA´TION, n. Comb-like toothing.

PEC´TORAL, a. Pertaining to the breast. The pectoral muscles of birds, three in number, are the principal ones in point of bulk in most birds; they move the wing as a whole.

PEC´TUS, n. Breast. (62.) Anterior portion of lower part of trunk, between jugulum and abdomen; properly, the region overlying and containing the breast-bone, but generally restricted to the more forward swelling portion of such region.

PE´DES, n.; pl. of pes. Feet. (96.) Leg beyond the end of the tibia.

PED´ICEL, n. Narrow foot-stalk or stem by which an organ is attached. Same as peduncle.

PELAG´IC, a. Frequenting the high seas.

PEL´LICLE, n. Any very delicate membrane.

PEL´MA, n. The track; entire lower surface of the toes. (114.)

PEL´VIC, a. Pertaining to the pelvis.

PEL´VIS, n. Cavity of the body formed by the ossa innominata, sacrum, and coccyx; also, these bones collectively.

PE´NIAL, a. Pertaining to the penis.

PENICIL´LATE, a. Brushy-tipped.

PE´NIS, n. The male intromittent organ.

PEN´NA, n. A feather. Generally a contour-feather (pluma), as distinguished from a down-feather (plumula); particularly, a large stiff feather of the wing or tail, one of the remiges or rectrices.

PENNA´CEOUS, a. Denoting a perfect feather complete in all the parts a feather can have; distinguished from plumulaceous.

PEN´NIFORM, a. Noting a muscle whose fibres are arranged alongside of a central tendon, like the web of a feather.