hydranencephaly

hydranencephaly /hy·dran·en·ceph·a·ly/ (hi?dran-en-sef´ah-le) complete or almost complete absence of the cerebral hemispheres, their normal site being occupied by cerebrospinal fluid.hydranencephal´ic

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hy·dran·en·ceph·a·ly (hdrn-n-sf-l)

n.

The congenital absence of the cerebral hemispheres in which the space in the cranium that they normally occupy is filled with fluid.

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hydranencephaly

absence of the cerebral hemispheres, their normal site being occupied by cerebrospinal fluid.

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arthrogryposis and hydranencephaly

occurs as a combined congenital defect in epidemic form in calves, lambs and kids. It may be caused by intrauterine viral infection with the Akabane and Aino viruses, by poisoning with fungi on lupins, and by inheritance of a conditioning factor. See also akabane virus disease, aino virus disease.