seminiferous tubule

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noun Anatomy.

any of the coiled tubules of the testis in which spermatozoa are produced.

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Origin of seminiferous tubule

First recorded in 1855–60

Its tubules unite with the seminiferous tubules, and also form the epididymis.
The Works of Francis Maitland Balfour, Volume 1|Francis Maitland Balfour
But if the lymph capillary is a closed tubule at its commencement this does not follow.
Encyclopaedia Britannica, 11th Edition, Volume 17, Slice 2|Various
The fine chitinous tubule is especially conspicuous in connection with these largest goblets.
The Origin of Vertebrates|Walter Holbrook Gaskell
Inner and outer aperture of the tubule of the same size; their diameter equal to their length and distance.
Report on the Radiolaria Collected by H.M.S. Challenger During the Years 1873-1876, First Part: Porulosa (Spumellaria and Acantharia)|Ernst Haeckel

Foraminal tubule stout, cylindrical, usually somewhat contorted; its orifice irregular in outline.
Freshwater Sponges, Hydroids & Polyzoa|Nelson Annandale

seminiferous tubule

One of two or three twisted curved tubules in each lobule of the testis in which spermatogenesis occurs.