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Type: Journal article
Title: The structural organisation of sperm head components of the wombat and koala (suborder : Vombatiformes): an enigma amongst marsupials
Author: Breed, W.
Leigh, C.
Ricci, M.
Citation: Journal of Anatomy, 2001; 198(Part 1):57-66
Publisher: Cambridge Univ Press
Issue Date: 2001
ISSN: 0021-8782
Statement of
William G. Breed, Christopher M. Leigh and Mario Ricci
Abstract: The sperm head structural organisation of the koala and hairy-nosed wombat, and the effects of varying concentrations of the ionic detergent, Triton X-100, on its component parts, were determined by electron microscopy. Although alike in form between the 2 species, the sperm nucleus of the former, but not the latter, had nuclear vacuoles and appeared to be more easily dispersed by the Triton X-100. The structure of the acrosome of the spermatozoon was similar between the 2 species and, in both, previously undescribed thin posterior and lateral segments were found to be present. It is suggested that this thin segment may facilitate sperm-zona and/or sperm-oolemma binding and fusion.
Keywords: sperm structure
Description: The definitive version is available at
DOI: 10.1046/j.1469-7580.2001.19810057.x
Published version:
Appears in Collections:Anatomical Sciences publications
Aurora harvest 5
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