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Browsing Anatomy and Physiology by Subject "Ratites"
Now showing items 1-8 of 8
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(Springer, 2015-09)This study, facilitated by the use of immunohistochemistry, indicated the presence of taste buds in Dromaius novaehollandiae but not in Struthio camelus. Seen at the light microscope level, the taste buds consisted of ...
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(Wiley, 2015-05)The distribution of Herbst corpuscles in the oropharynx of the ostrich and emu has recently been documented. However, although the morphology of these mechanoreceptors is well known in neognathous birds, little structural ...
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(Agricultural Research Council, ARC-OVI and the University of Pretoria, 2009-09)Despite numerous papers addressing the topic, the gross morphology of the ratite tongue and more specifically that of the emu, has been superficially or poorly described. This paper presents the first definitive macroscopic ...
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(Agricultural Research Council, ARC-OVI and the University of Pretoria, 2009)Although a number of brief, fragmented descriptions have been provided on the gross morphology of the ratite tongue, very few studies have documented the histological structure of this organ. This paper presents the first ...
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(BioMed Central, 2013-05-26)BACKGROUND: A novel transient structure was observed in the spermatids of three ratite species using transmission electron microscopy. RESULTS: The structure first appeared at the circular manchette stage of sperm ...
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(Elsevier, 2016-12)Head shaping in mammalian sperm is regulated by a number of factors including acrosome formation, nuclear condensation and the action of the microtubular manchette. A role has also been suggested for the attendant Sertoli ...
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(Springer, 2023-10)Few studies describe the sequence of morphological events that characterize spermiogenesis in birds. In this paper, the clearly observable steps of spermiogenesis are described and illustrated for the first time in a ...
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(BioMed Central, 2012-05-31)BACKGROUND: The avian glottis channels air from the oropharynx to the trachea and is situated on an elevated structure, the laryngeal mound. It is imperative that the glottis be protected and closed during swallowing, ...
Now showing items 1-8 of 8