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segmental    
a. 部分的,断节的,由断节构成的

部分的,断节的,由断节构成的

segmental
adj 1: divided or organized into speech segments or isolable
speech sounds
2: having the body divided into successive metameres or
segments, as in earthworms or lobsters [synonym: {metameric},
{segmental}, {segmented}]

Segmental \Seg*men"tal\, a.
1. Relating to, or being, a segment.
[1913 Webster]

2. (Anat. & Zool.)
(a) Of or pertaining to the segments of animals; as, a
segmental duct; segmental papillae.
(b) Of or pertaining to the segmental organs.
[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) (Zool.) 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.
[1913 Webster]


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