oriented movement in response to a current of air.
orientation in response to a current of air.
congenital absence of part or all of the brain. anencephaly an·en·ceph·a·ly (ān’ən-sěf’ə-lē) n. Congenital absence of most of the brain and spinal cord. an’en·ce·phal’ic (-sə-fāl’ĭk) or an’en·ceph’a·lous (-sěf’ə-ləs) adj. anencephaly an·en·ceph·a·ly (an’en-sef’ā- lē) n. markedly defective development of the brain, together with absence of the bones of the cranial vault and the cerebral and cerebellar […]
congenital absence of part or all of the brain. Historical Examples Her own child was anencephalic and acranial, with entire absence of vault of skull. Studies in the Psychology of Sex, Volume 5 (of 6) Havelock Ellis adjective born with no or only a partial brain adj. “having no brain” (biology), 1839, from Greek anenkephalos, […]