sustentacularadj.
/ˌsʌstɛnˈtakjᵿlə/, U.S. /ˌsəstɛnˈtækjələr/ Zoology and Anatomy.
Supporting, sustaining; (also) relating to or of the nature of a sustentaculum.
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the world > life > biology > physical aspects or shapes > specific areas or structures > [adjective] > supporting structure
pedicled1771
sustentacular1858
1858 H. Adams & A. Adams Genera Recent Mollusca II. 61 Tentacles..with long, simple, sustentacular appendages.
1882 Amer. Naturalist 16 71 The astragalus exhibits a distal trochlea which is continuous with the sustentacular facet.
1897 T. C. Allbutt et al. Syst. Med. III. 676 The sustentacular ligaments of the peritoneum.
1918 Cunningham's Text-bk. Anat. (ed. 5) 36 The remaining cells, called spongioblasts, became transformed into the reticular sustentacular tissue of the central nervous system.
1942 Jrnl. Infectious Dis. 70 20 The sustentacular or supporting cells are tall columnar cells..and are present in a pseudostratified arrangement.
2010 R. Ribes & J. Vilanova Learning Musculoskeletal Imaging x. 217 MRI..shows..osteoarthritic sustentacular and subtalar changes with a beak-shaped bony process..occupying the space of the medial plantar nerve.
Compounds
sustentacular cell n. any of several elongated epithelial cells whose function is primarily to provide support, as the Sertoli cell in the testis, and similar cells in the olfactory organs and taste buds.
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1882 Quain's Elements Anat. (ed. 9) II. 461 Sustentacular cell of Deiters.
1905 H. E. Radasch Compend Histol. xiii. 171 The column of Sertoli, or sustentacular cell is a less distinct element. It is pyramidal in shape..and serves as a support for the cells that are being transformed into spermatozoa.
1994 Environmental Health Perspectives 102 319/1 Dibasic esters caused toxicity of the sustentacular cell of the olfactory epithelium.
2004 W. J. Krause Art Examining & Interpreting Histol. Prepar. xii. 61/1 The supporting (sustentacular) cells are tall columnar with narrow bases and broad apical surfaces.
This entry has been updated (OED Third Edition, March 2012; most recently modified version published online March 2022).
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adj.1858