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

2. (Anat. & Zo["o]l.) (a) Of or pertaining to the segments of animals; as, a segmental duct; segmental papill[ae]. (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) (Zo["o]l.) 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]

The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • segmental — SEGMENTÁL, Ă, segmentali, e, adj. Referitor la segment, de segment. – Din fr., engl. segmental. Trimis de LauraGellner, 21.07.2004. Sursa: DEX 98  segmentál adj. m., pl. segmentáli; f. sg. segmentálă …   Dicționar Român

  • segmental — segmental, ale, aux [ sɛgmɑ̃tal, o ] adj. • mil. XXe; de segment, d apr. l angl. ♦ Didact. Relatif à un segment, d un segment. Ling. Trait pertinent segmental, appartenant à un phonème (opposé à suprasegmental) . segmental, ale, aux [sɛgmɑ̃tal,… …   Encyclopédie Universelle

  • segmental — index partial (relating to a part) Burton s Legal Thesaurus. William C. Burton. 2006 …   Law dictionary

  • segmental — [seg ment′ l] adj. 1. having the form of a segment of a circle 2. of, like, or made up of a segment or segments segmentally adv …   English World dictionary

  • segmental — adjective Date: 1816 1. of, relating to, or having the form of a segment and especially the sector of a circle < segmental fanlight > 2. of, relating to, or composed of somites or metameres ; metameric 3. a. divided into segments < segmental… …   New Collegiate Dictionary

  • segmental — Relating to a segment. * * * seg·men·tal seg ment əl adj 1 a) of, relating to, or having the form of a segment b) situated in, affecting, or performed on a segment <a segmental pancreas transplant using only the lower third of the organ>… …   Medical dictionary

  • segmental — segment ► NOUN 1) each of the parts into which something is divided. 2) Geometry a part of a circle cut off by a chord, or a part of a sphere cut off by a plane not passing through the centre. 3) Zoology each of a series of similar anatomical… …   English terms dictionary

  • segmental — segmentally, adv. /seg men tl/, adj. 1. of, pertaining to, or characterized by segments or segmentation. 2. Ling. noting or pertaining to the discrete elements of sequential speech, as consonants and vowels. [1810 20; SEGMENT + AL1] * * * …   Universalium

  • segmental — adjective of, relating to, or constructed from segments …   Wiktionary

  • segmental — seg|men|tal 〈Adj.〉 als Segment, in Form eines Segments bestehend * * * seg|men|tal <Adj.> (Geom.): als ↑ Segment (2) vorliegend; in Form eines Segments. * * * seg|men|tal <Adj.> (Geom.): als ↑Segment (2) vorliegend; in Form eines… …   Universal-Lexikon

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