bilateral cleavage


Also found in: Medical.

bilateral cleavage

[bī′lad·ə·rəl ′klēv·ij]
(embryology)
The division pattern of a zygote that results in a bilaterally symmetrical embryo.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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