DESMOGNATH´OUS, _a._ Having the palate bones united.
DES´MOID, _a._ Ligamentous.
DESQUAMA´TION, _n._ Peeling off.
DEX´TRAD, _a._ Toward the right side.
DEX´TRAL, _a._ Of or on the right side.
DI- (_in composition_). Twice; double.
DIAGNO´SIS, _n._ Distinctive knowledge. Also characterization, or a
brief, precise, and exclusively pertinent definition. _Diagnosis_ is
nearly synonymous in this sense with _definition_; both differ from
_description_ in omitting non-essential particulars; but _definition_
may include points equally applicable to some other object.
DIAGNOS´TIC, _a._ Distinctively and exclusively characteristic. Feathers
are _diagnostic_ of birds.
DIAPH´ANOUS, _a._ Transparent.
DI´APHRAGM, _n._ Midriff; musculo-tendinous partition between thorax and
abdomen, rudimentary or wanting in birds.
DIAPHRAGMAT´IC, _a._ Pertaining to the diaphragm.
DIAPOPH´YSIS, _n._ Transverse process of a vertebra.
DIARTHRO´SIS, _n._ Movable articulation of bones in general.
DIAS´TASIS, DIAS´TEMA, _n._ A separation of bones, particularly the
cranial ones, or of teeth, from each other.
DIAS´TOLE, _n._ Dilatation of the heart, alternating with the _systole_
or contraction, occasioning pulsation.
DICHOT´OMOUS, _a._ Divided into pairs.
DICHROMATIC, _a._ Of two colors, as the “red” and “gray” plumages of
_Scops asio_.
DIDAC´TYLOUS, _a._ Two-toed, as the ostrich.
DIGAS´TRIC, _a._ Double-bellied; name of a certain muscle.
DIGIT´IGRADE, _a._ Walking on the toes. Opposed to _plantigrade_.