Acrania vs. Anencephaly

Acranianoun

(physiology) Partial or total absence of the skull.

Acranianoun

Partial or total absence of the skull.

Acranianoun

The lowest group of Vertebrata, including the amphioxus, in which no skull exists.

Acrania

Acrania is a rare congenital disorder that occurs in the human fetus in which the flat bones in the cranial vault are either completely or partially absent. The cerebral hemispheres develop completely but abnormally.

Anencephalynoun

A lethal birth defect in which most of the brain and parts of the skull are missing; absence of the encephalon.

Anencephalynoun

a defect in brain development resulting in small or missing brain hemispheres

Anencephaly

Anencephaly is the absence of a major portion of the brain, skull, and scalp that occurs during embryonic development. It is a cephalic disorder that results from a neural tube defect that occurs when the rostral (head) end of the neural tube fails to close, usually between the 23rd and 26th day following conception.