sustentacular

IPA: sˈʌstʌntˈækjʌɫɝ

adjective

  • (anatomy) Serving to support or sustain.
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Examples of "sustentacular" in Sentences

  • One type of sustentacular cell is the Sertoli cell, in the testicle.
  • Another type of sustentacular cell is found in the Olfactory epithelium.
  • At the level of the inner nuclear layer each sustentacular fiber contains a clear oval nucleus.
  • From the spongioblasts the sustentacular fibers of Müller, the outer and inner limiting membranes, together with the groundwork of the molecular layers of the retina are formed.
  • —The nervous layers of the retina are connected together by a supporting frame-work, formed by the sustentacular fibers of Müller; these fibers pass through all the nervous layers, except that of the rods and cones.
  • The cells of the inner stratum proliferate and form a layer of considerable thickness from which the nervous elements and the sustentacular fibers of the retina, together with a portion of the vitreous body, are developed.
  • These ultimately leave the trabecular sheaths, and terminate in the proper substance of the spleen in small tufts or pencils of minute arterioles, which open into the interstices of the reticulum formed by the branched sustentacular cells.
  • They pass outward to the periphery of the gray matter, where they expand into little conical enlargements which form a sort of limiting membrane beneath the pia mater, analogous to the membrana limitans interna in the retina, formed by the sustentacular fibers of Müller.
  • —The nervous structures of the retina proper are supported by a series of nonnervous or sustentacular fibers, and, when examined microscopically by means of sections made perpendicularly to the surface of the retina, are found to consist of seven layers, named from within outward as follows:
  • In accordance with this manner of feeding, the mouth is kept permanently open and prevented from collapsing by a pair of skeletal cornua belonging to a sustentacular apparatus (the nuchal skeleton), the body of which lies within the narrow neck of the proboscis; the latter is inserted into the collar and surrounded by the anterior free flap of this segment of the body.
  • Other astragalar facets include a narrow convex articular surface for the cuboid adjacent to the deeply notched surface for the navicular, a small curved surface laterally for articulation with the ectal facet of the calcaneum, a proximodistally elongated convex facet ventrally for long excursion on the calcaneal sustentacular surface, and a small facet adjacent to the cuboid facet for articulation with the calcaneum.

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synonyms for sustentacular
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