apprehension; in conception; not in reality.
Two faculties . . . notionally or reallyNorris.
distinct.
are ungrounded notions.
annotator.
See Notum, and Branchia.] (Zoöl.)
gills upon the back.
Dorsibranchiata.
(Zoöl.)
Notobranchiata.
E. chord.] (Anat.)
which is developed beneath the medullary groove in the vertebrate
embryo, and constitutes the primitive axial skeleton around which the
centra of the vertebræ and the posterior part of the base of
the skull are developed; the chorda dorsalis.
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