sper·mat·o·cyte

(spər-măt′ə-sīt′, spûr′mə-tə-)

A diploid cell that undergoes meiosis to form four spermatids. A primary spermatocyte divides into two secondary spermatocytes, which in turn divide to form the spermatids.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

spermatocyte

(ˈspɜːmətəʊˌsaɪt)

1. (Zoology) zoology an immature male germ cell, developed from a spermatogonium, that gives rise, by meiosis, to four spermatids

2. (Botany) botany a male germ cell that develops into an antherozoid

Also called: nematoblast or nematocide

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

sper•mat•o•cyte

(spɜrˈmæt əˌsaɪt)

n.

a male sex cell that gives rise by meiosis to a pair of haploid cells, which become the reproductive cells.

[1885–90]

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun

spermatocyte - a male gametocyte that develops into four spermatids

gametocyte - an immature animal or plant cell that develops into a gamete by meiosis

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References in periodicals archive

As a result of secondary spermatocyte division, first-round spermatids appeared in stages IV, then stages V to VIII, and stage I.

Characterization of Seminiferous Epithelium Stages in the Wild Javan Muntjac (Muntiacus muntjak muntjak) Using the Tubular Morphology Method

PSC = primary spermatocyte; SSC = secondary spermatocyte; ST = spermatid; SPZ = spermatozoa; SZ = spermatozeugmata.

Reproductive Morphology of Male Black Perch (Embiotoca jacksoni)

After the meiotic division, a smaller secondary spermatocyte is formed.

A practical approach to testicular biopsy interpretation for male infertility

Total counts of primary spermatocytes (preleptotene and pachytene), secondary spermatocyte, round spermatid, step-19 spermatid and spermatogonia were declined by 60.86%, 65.81%, 71.56%, 73.37%, 66.55% and 47.48%, respectively (Figs.

Antispermatogenic, antiandrogenic activities of Albizia lebbeck (L.) Benth bark extract in male albino rats

Spermatogenesis was also divided into five stages: spermatogonia, primary spermatocyte, secondary spermatocyte, spermatids and spermatozoa.

The Reproductive Cycle of Potomida littoralis (Cuvier, 1798) (Bivalvia: Unionidae) in Lake Golbasi, Turkey

Spermatogenesis was also divided into 5 stages: spermatogonia, primary spermatocyte, secondary spermatocyte, spermatids, and spermatozoa (see Fig.

Histological studies on gametogenesis, hermaphroditism and the gametogenic cycle of Anodonta gabillotia pseudodopsis (Locard, 1883) in the Lake Golbasi, Turkey (Bivalvia: Unionidae)

They are spermatogonium, 5 stages of primary spermatocyte, secondary spermatocyte, 2 stages of spermatid and spermatozoa (Fig.

Gametogenic processes in the pearl oyster, Pteria penguin (Roding, 1798) (Bivalvia, Mollusca)

Also, spermatogenesis occurred in the spermatogenic or hermaphroditic follicles, between the digestive diverticula and the outer fibromuscular layers, and was divided into five stages: spermatogonial, primary spermatocyte, secondary spermatocyte, spermatid, and spermatozoon stages.

Histological studies on hermaphroditism, gametogenesis and cyclic changes in the structures of marsupial gills of the introduced asiatic clam, corbicula fluminea, and the Korean clam, corbicula leana

In control positive group 2 shows closely packed small round abnormal spermatocyte massive decrease of spermatozoa within the lumen of seminiferous tubule, complete absence of sustentacular cells and secondary spermatocytes included cytoplasmic vacuolation (Fig.

Does Oregano Protect Against Testicular Toxicity Produced by Ethylene Glycol in Adult Male Albino Rat?/ ?El Oregano Protege Contra la Toxicidad Testicular Producida por Etilenglicol en Ratas Macho Albinas Adultas?

Another reason why MNGCs exfoliate over a short-time period might be because of the absence of production of secondary spermatocytes and spermatids.

L-Cysteine Partially Protects Against Acrylamide-Induced Testicular Toxicity

In the histological observation of testicular tissue, secondary spermatocytes are rare or not found because they have little time to enter the next cleavage.

Decreased Expression of CDC25A in Azoospermia as the Etiology of Spermatogenesis Failure

Primary spermatocytes predominate in early recrudescence whereas in late recrudescence, secondary spermatocytes and spermatids were abundant; (3) Spermiogenesis, lumina of seminiferous tubules were lined by sperm or clusters of metamorphosing spermatids.

REPRODUCTION IN THE CAPE REGION WHIPTAIL ASPIDOSCELIS TIGRIS MAXIMUS (SQUAMATA: TEIIDAE) FROM BAJA CALIFORNIA SUR, MEXICO