Definify.com
Webster 1913 Edition
Acrania
‖
A-cra′ni-a
,Noun.
[NL., from Gr.
ἀ
priv. + [GREEK] skull.] 1.
(Physiol.)
Partial or total absence of the skull.
2.
pl.
(Zool.)
The lowest group of Vertebrata, including the amphioxus, in which no skull exists.
Definition 2024
Acrania
Acrania
See also: acrania
Translingual
Proper noun
Acrania
- (zoology, obsolete) A class of Vertebrata including Branchiostoma (syn. Amphioxus), in which no skull exists.
Synonyms
- (zoology): Myelozoa, Leptocardia, Acephala
acrania
acrania
See also: Acrania
English
Noun
acrania
- (physiology) Partial or total absence of the skull.
Synonyms
See also
Translations
absence of the skull
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References
- acrania in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913