SAC´RAL, _a._ Pertaining to the sacrum.
SAC´RUM, _n._ A compound bone of the spine, composed of several
anchylosed vertebræ of the pelvic region, with which the iliac bones are
sutured.
SAC´RO-COCCYGE´AL, _a._ Pertaining to the sacrum considered as
comprising also several coccygeal vertebræ.
SAG´ITTATE, _a._ Arrow-head shaped; an elongated cordate figure with
pointed lobes.
SALI´VA, _n._ Spittle.
SAL´IVARY GLANDS. Organs secreting saliva.
SAL´TATORY, _a._ Progressing by leaps. Opposed to _ambulatory_ or
_gradient_.
SAN´GUIS, _n._ Blood.
SAPHE´NA, _n._ Principal vein of the leg.
SARCOLEM´MA, _n._ Same as _myolemma_.
SARTOR´IUS, _a._ Name of a certain muscle of the leg.
SAUROP´SIDA, _n._ A primary group of vertebrata, comprising birds and
reptiles.
SAURU´RÆ, _n. pl._ Name of a certain primary group of _Aves_ formed for
the reception of the _Archæopteryx_.
SCAB´ROUS, _a._ Scabby; scurfy; scaly. Said of a surface roughened as if
in such manner.
SCANSO´RIAL, _a._ Capable of climbing, as a woodpecker.
SCAPHOLUN´AR, _n._ One of the carpals or wrist-bones.
SCAP´ULA, _n._ Shoulder-blade.
SCAP´ULAR, _a._ Pertaining to the shoulder-blade; as, _scapular_ region.
SCAP´ULAR, _n._ Any feather of a series growing on the pteryla
humeralis, in an oblique line across the humerus. _Scapulars_ is
generally said, the plural designating these feathers collectively; they
are also called _scapularies_. (80.) The scapulars fill up what would
otherwise be an interval between the inner border of the wing and the
body. Illiger’s word, _parapterum_, seems to designate them, but is also
used in an entirely different sense.