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Segmental   Listen
adjective
Segmental  adj.  
1.
Relating to, or being, a segment.
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.
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.
Segmental tubes (Anat.), the tubes which primarily open into the segmental duct, some of which become the urinary tubules of the adult.






Collaborative International Dictionary of English 0.48








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"Segmental" Quotes from Famous Books



... wall is to one side of the middle, and here Raphael meets the new problem with a new solution. He places a separate picture in each of the unequal rectangles, carries a simulated cornice across at the level of the window head, and paints, in the segmental lunette thus left, the so-called "Jurisprudence" (Pl. 16), which seems to many decorators the most perfect piece of decorative design that even Raphael ever created—the most perfect piece of design, therefore, in the world. Its subtlety of spacing, its exquisiteness of line, its monumental ...
— Artist and Public - And Other Essays On Art Subjects • Kenyon Cox

... replied benevolently. "But how much do you know of prismoidal formulae, or logarithmic secants?—not to speak of segmental ordinates, or the cycloidal calculus; or even of adiabatic expansion, or torsional resistance, or the hydrostatic paradox, or the coefficient of friction? Now, these things are the very A B C of mechanics, as you'll find to ...
— Such is Life • Joseph Furphy

... plan, and to the extreme east chapel of the crypt. As the means of entrance to this east chapel of the triforium was now gone, the narrow gallery usually called the "Whispering Gallery" was made, and carried by segmental arches, marked BB, from the south-east to the east chapel, and from the east chapel to that on the north-east. The external appearance of the Whispering Gallery is shown on page 75. The casual observer frequently takes it to ...
— Bell's Cathedrals: The Cathedral Church of Gloucester [2nd ed.] • H. J. L. J. Masse

... each rib under compression in the manner of a stone arch, and which builds up a rib from a number of small pieces. At least, it is a system based on the legitimate use of cast iron for constructive purposes. The large segmental castings used in the Pimlico bridge, and the new bridge over the Trent at Nottingham, from Mr. M. O. Tarbotton's design, are excellent examples of the arched girder system. The Nottingham bridge has each rib made up of three I-shaped ...
— Scientific American Supplement, No. 324, March 18, 1882 • Various

... of minute marine worm-like creatures. The body tapers towards each end and is marked by a number of well-defined ridges. These ridges resemble on a small scale those which surround the body of a Porocephalus (Linguatulida), and like them have no segmental significance. Their number varies in the different species. The head bears four setae, and some of the ridges bear a pair either dorsally or ventrally. The setae are movable. Two pigment spots between the fourth and fifth ridges are regarded as eyes. ...
— Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 2 - "Demijohn" to "Destructor" • Various

... accuses Goethe of having in 1820 appropriated Oken's theory of the skull, and of having given an apocryphal account of how the idea occurred to himself in 1790. (2) in the same article, page 502, Owen stated it to be questionable whether the discoverer of the true theory of the segmental constitution of the skull (i.e. himself) was excited to his labours, or "in any way influenced by the a priori guesses of Oken." On this Huxley writes, page 288: "But if he himself had not been in ...
— More Letters of Charles Darwin - Volume I (of II) • Charles Darwin



Words linked to "Segmental" :   metameric, segmental arch, zoological science



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