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Cellular Organization of the Testis and Spermatogenesis in Fishes
Abstract
SYNOPSIS. Tubular structure of the teleost testis can be divided into two basic types distinguished from each other by the distribution of spermatogonia. In most teleosts, spermatogonia occur along the length of the tubules, but in atheriniform fishes they are confined to the terminus of the tubule. Variations in these testis-types are discussed particularly in light of modifications leading to the production of spermatozeugmata or spermatophores. Teleost boundary cells are located immediately outside of the tubule basement membrane. Previous reports homologizing “lobule boundary cells” with Leydig or Sertoli cells are in error. Leydig cells have been described for species of teleosts wherein they have previously been thought to be absent and are a typical component of the interstitium. Sperm morphology reflects mode of reproduction. Nuclear elongation, coupled with possible elongation of the sperm midpiece, is characteristic of most species wherein fertilization is internal. Teleost sperm lack an acrosome.
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Citations
Cited by
Schaefer, K. M. (2001) · Fish Physiology · doi:10.1016/s1546-5098(01)19007-2 · Cited by 280
Rising StARs: Behavioral, hormonal, and molecular responses to social challenge and opportunity
Huffman, L. S., Mitchell, M. M., O'Connell, L. A., & Hofmann, H. A. (2012) · Hormones and Behavior · doi:10.1016/j.yhbeh.2012.02.016 · Cited by 63
Metadata
- Authors
- GRIER, H. J.
- Venue
- American Zoologist
- Publisher
- Oxford University Press (OUP)
- Published
- 1981-05
- Volume
- 21
- Issue
- 2
- Pages
- 345-357
- ISSN
- 0003-1569 (ISSN-L)
- OpenAlex
- W1966619253
- Cited by
- 533
- References
- 0
- FWCI
- 3.85
- Type
- journal article
- Language
- en
- Open access
- closed
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- GRIER, H. J. (1981). Cellular Organization of the Testis and Spermatogenesis in Fishes. American Zoologist. https://doi.org/10.1093/icb/21.2.345
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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