acrania


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Related to acrania: exencephaly

acrania

 [ah-kra´ne-ah]
partial or complete absence of the cranium. adj., adj acra´nial.

A·cra·ni·a

(ă-krā'nē-ă),
A group of the phylum Chordata; its members possess a notochord, gill slits, and nerve cord but no vertebrae, ribs, or skull; for example, Amphioxus, tunicates, and acorn worms.
[G. a- priv. + kranion, skull]

a·cra·ni·a

(ă-krā'nē-ă),
Complete or partial absence of a cranium; associated with meroanencephaly (anencephaly).
[G. a- priv. + kranion, skull]

A·cra·ni·a

(ă-krā'nē-ă)
A group of the phylum Chordata, the members of which possess a notochord, gill slits, and nerve cord but no vertebrae, ribs, or skull; e.g., Amphioxus, tunicates, and acorn worms.
[G. a- priv. + kranion, skull]

a·cra·ni·a

(ă-krā'nē-ă)
Complete or partial absence of a cranium; associated with meroencephaly.
[G. a- priv. + kranion, skull]

acrania

Partial or complete absence of the skull bones and sometimes of other head bones at birth. See also ANENCEPHALY.

Acrania

an outdated taxonomic term often used as a synonym of PROTOCHORDATE, but in some classifications limited to synonymy with CEPHALOCHORDATE.

acrania

partial or complete absence of the cranium.
References in periodicals archive ?
Exencephaly is a congenital malformation along a spectrum that includes acrania and anencephaly (acrania-exencephaly-anencephaly sequence).
Prenatal diagnosis of acrania associated with amniotic band syndrome.
After completing his National Service, Peter started out in racing with Billy Larkin at Gatwick, proceeding, via Jack Holt (for both of whom he rode winners), to Ryan Price, thence to Peter Thrale and Don Butchers and ultimately to Guy Harwood at Pulborough, for whom he was head man between 1966-75, in the years at Coombelands that featured Young Generation, Acrania, King Kathy, Jan Ekels and Call Of The Wild.