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Table of Contents -- segmental
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HYPHEN
WORDNET DICTIONARY
CIDE DICTIONARY
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segmental

RELATED WORD :

 : 
Adjective
 : 
seg=men=tal

WORDNET DICTIONARY

Adjective segmental has 2 senses

CIDE DICTIONARY

segmentala. 
  •  Relating to, or being, a segment.  [1913 Webster]
  •  Of or pertaining to the segments of animals; as, a segmental duct; segmental papillæ.  [1913 Webster]
Segmental duct (Anat.), the primitive duct of the embryonic excretory organs which gives rise to the Wolffian duct and ureter; the pronephric duct. -- Segmental organs. (a) (Anat.) The embryonic excretory organs of vertebrates, consisting primarily of the segmental tubes and segmental ducts. (b) (Zoöl.) The tubular excretory organs, a pair of which often occur in each of several segments in annelids. They serve as renal organs, and often, also, as oviducts and sperm ducts. See Illust. under Sipunculacea. -- Segmental tubes (Anat.), the tubes which primarily open into the segmental duct, some of which become the urinary tubules of the adult.
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