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.
PER´FORATE, _a._ Pierced through. (Said especially of the nostrils when
without a _septum_.)
PERICAR´DIUM, _n._ Bag holding the heart.
PERICRA´NIUM, _n._ Soft parts enclosing the skull; especially the
periosteum of the bones.
PERIOS´TEUM, _n._ Membranous investment of bone.
PERIPHERAL PARTS, _n. pl._ Superficial, as opposed to interior, parts.
PERIPH´ERY, _n._ Superficies; contour.
PERISTAL´TIC, _a._ Denoting the peculiar motion of the intestines by
which their contents are urged onward; the _peristole_.
PERITONE´UM, _n._ Thin smooth serous membrane lining the belly, and
investing most of the contained organs.
PERONE´AL, _a._ Pertaining to the fibula.
PERONE´US, _a._ for _n._ Name of a fibular muscle.
PER´VIOUS, _a._ Open. Used synonymously with _perforate_ in respect of
the nostrils, but better restricted to the opposite of impervious or
closed (as to an _external_ opening).