Definition of segment

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Segment (v. i.) To divide or separate into parts in growth; to undergo segmentation, or cleavage, as in the segmentation of the ovum..

Lern More About Segment

Micromere :: Micromere (n.) One of the smaller cells, or blastomeres, resulting from the complete segmentation of a telolecithal ovum..
Blastocoele :: Blastocoele (n.) The cavity of the blastosphere, or segmentation cavity..
Presternum :: Presternum (n.) The anterior segment of the sternum; the manubrium.
Propodium :: Propodium (n.) The segment which forms the posterior part of the thorax of a hymenopterous insect.
Inarticulate :: Inarticulate (a.) Not jointed or articulated; having no distinct body segments; as, an inarticulate worm..
Metameric :: Metameric (a.) Of or pertaining to a metamere or its formation; as, metameric segmentation..
Rhodophane :: Rhodophane (n.) The red pigment contained in the inner segments of the cones of the retina in animals. See Chromophane.
Anadromous :: Anadromous (a.) Tending upwards; -- said of terns in which the lowest secondary segments are on the upper side of the branch of the central stem.
Tympanohyal :: Tympanohyal (n.) The proximal segment in the hyoidean arch, becoming a part of the styloid process of the temporal bone in adult man..
Epihyal :: Epihyal (n.) A segment next above the ceratohyal in the hyoidean arch.
Flanch :: Flanch (n.) A bearing consisting of a segment of a circle encroaching on the field from the side.
Ectomere :: Ectomere (n.) The more transparent cells, which finally become external, in many segmenting ova, as those of mammals..
Sterned :: Sternebra (n.) One of the segments of the sternum.
#NAME? :: -some () A combining form or suffix from Gr. sw^ma (gen. sw`matos) the body; as in merosome, a body segment; cephalosome, etc..
Tapeworm :: Tapeworm (n.) Any one of numerous species of cestode worms belonging to Taenia and many allied genera. The body is long, flat, and composed of numerous segments or proglottids varying in shape, those toward the end of the body being much larger and longer than the anterior ones, and containing the fully developed sexual organs. The head is small, destitute of a mouth, but furnished with two or more suckers (which vary greatly in shape in different genera), and sometimes, also, with hooks for adh
Chaetopoda :: Chaetopoda (n. pl.) A very extensive order of Annelida, characterized by the presence of lateral setae, or spines, on most or all of the segments. They are divided into two principal groups: Oligochaeta, including the earthworms and allied forms, and Polychaeta, including most of the marine species..
Protovertebra :: Protovertebra (n.) One of the primitive masses, or segments, into which the mesoblast of the vertebrate embryo breaks up on either side of the anterior part of the notochord; a mesoblastic, or protovertebral, somite. See Illust. of Ectoderm..
Glossohyal :: Glossohyal (a.) Pertaining to both the hyoidean arch and the tongue; -- applied to the anterior segment of the hyoidean arch in many fishes. -- n. The glossohyal bone or cartilage; lingual bone; entoglossal bone.
Branchiate :: Branchiate (a.) Furnished with branchiae; as, branchiate segments..
Cant :: Cant (n.) A segment forming a side piece in the head of a cask.
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