Hydranencephaly (or hydrancephaly) is a type of cephalic disorder. These disorders are congenital conditions that derive from either damage to, or abnormal development of, the fetal nervous system in the earliest stages of development in utero.
Voyage to the Bottom of the Sea Cast. 1  Stars (2) EDIT Richard Basehart. Admiral Nelson. 2  Guest Stars (287) EDIT Patrick Culliton. Dunlap. 3  Cameos (1) EDIT Seymour Cassel. Jensen. 4  Writers (29) EDIT Harlan Ellison. Writer. 5  Directors (21) EDIT Alan Crosland Jr. Director. 6  Crew (5) EDIT Peter Packer. Story.
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