Staff View: Crocodylian conservation and evolution insights from an anatomical and histological examination of phalli from male false gharial (Tomistoma schlegelii)

Crocodylian conservation and evolution insights from an anatomical and histological examination of phalli from male false gharial (Tomistoma schlegelii)

As wild population threats for the endangered false gharial (Tomistoma schlegelii) persist, conservation breeding programs, including developing semen collection techniques for subsequent artificial insemination, are becoming important species conservation measures. Developing reproductive biology u...

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Main Authors:	Moore, Brandon C., Wan Jaafar, Wan Nor Fitri, Augustine, Lauren
Formato:	Artigo
Idioma:	English
Publicado:	Wiley-Blackwell Publishing 2020
Acceso en liña:	http://psasir.upm.edu.my/id/eprint/88305/1/ABSTRACT.pdf
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id	oai:psasir.upm.edu.my:88305
record_format	eprints
spelling	oai:psasir.upm.edu.my:88305 http://psasir.upm.edu.my/id/eprint/88305/ Crocodylian conservation and evolution insights from an anatomical and histological examination of phalli from male false gharial (Tomistoma schlegelii) Moore, Brandon C. Wan Jaafar, Wan Nor Fitri Augustine, Lauren As wild population threats for the endangered false gharial (Tomistoma schlegelii) persist, conservation breeding programs, including developing semen collection techniques for subsequent artificial insemination, are becoming important species conservation measures. Developing reproductive biology understanding of a species is important to developing best practices and hopefully maximizing reproductive successes. However, information on crocodylians functional copulatory anatomy in general is lacking. To that end, zoological facilities and conservation centres have the exceptional opportunity to contribute new understandings that may not otherwise be attainable regarding crocodylian reproductive anatomy, particularly during routine physical examinations or post-mortem necropsies. Therefore, to better understand T. schlegelii reproductive biology, to contribute knowledge in support of zoo breeding conservation efforts and to contribute to what is known overall about crocodylian reproduction, we investigated phallic anatomy of adult male Tomistoma from two zoological populations, the St. Louis Zoo, USA and Sungai Dusun Wildlife Reserve, Peninsular Malaysia. Here, we present the gross anatomical features and histological analysis of underlying tissue-level details in pursuit of a better understanding of copulatory function and associated gamete transfer mechanisms. While much of the overall Tomistoma phallic morphology and inferred function corresponds to that of other crocodylian species and speaks to conserved aspects of functional anatomy across taxa, species-specific aspects of glans and glans tip morphology are also identified. These novelties are discussed in a general function and overall broader evolutionary contexts. Wiley-Blackwell Publishing 2020 Article PeerReviewed text en http://psasir.upm.edu.my/id/eprint/88305/1/ABSTRACT.pdf Moore, Brandon C. and Wan Jaafar, Wan Nor Fitri and Augustine, Lauren (2020) Crocodylian conservation and evolution insights from an anatomical and histological examination of phalli from male false gharial (Tomistoma schlegelii). Anatomia, Histologia, Embryologia, 49 (3). 390 - 401. ISSN 0340-2096; ESSN: 1439-0264 https://onlinelibrary.wiley.com/doi/10.1111/ahe.12542 10.1111/ahe.12542
institution	UPM IR
collection	UPM IR
language	English
description	As wild population threats for the endangered false gharial (Tomistoma schlegelii) persist, conservation breeding programs, including developing semen collection techniques for subsequent artificial insemination, are becoming important species conservation measures. Developing reproductive biology understanding of a species is important to developing best practices and hopefully maximizing reproductive successes. However, information on crocodylians functional copulatory anatomy in general is lacking. To that end, zoological facilities and conservation centres have the exceptional opportunity to contribute new understandings that may not otherwise be attainable regarding crocodylian reproductive anatomy, particularly during routine physical examinations or post-mortem necropsies. Therefore, to better understand T. schlegelii reproductive biology, to contribute knowledge in support of zoo breeding conservation efforts and to contribute to what is known overall about crocodylian reproduction, we investigated phallic anatomy of adult male Tomistoma from two zoological populations, the St. Louis Zoo, USA and Sungai Dusun Wildlife Reserve, Peninsular Malaysia. Here, we present the gross anatomical features and histological analysis of underlying tissue-level details in pursuit of a better understanding of copulatory function and associated gamete transfer mechanisms. While much of the overall Tomistoma phallic morphology and inferred function corresponds to that of other crocodylian species and speaks to conserved aspects of functional anatomy across taxa, species-specific aspects of glans and glans tip morphology are also identified. These novelties are discussed in a general function and overall broader evolutionary contexts.
format	Article
author	Moore, Brandon C. Wan Jaafar, Wan Nor Fitri Augustine, Lauren
spellingShingle	Moore, Brandon C. Wan Jaafar, Wan Nor Fitri Augustine, Lauren Crocodylian conservation and evolution insights from an anatomical and histological examination of phalli from male false gharial (Tomistoma schlegelii)
author_facet	Moore, Brandon C. Wan Jaafar, Wan Nor Fitri Augustine, Lauren
author_sort	Moore, Brandon C.
title	Crocodylian conservation and evolution insights from an anatomical and histological examination of phalli from male false gharial (Tomistoma schlegelii)
title_short	Crocodylian conservation and evolution insights from an anatomical and histological examination of phalli from male false gharial (Tomistoma schlegelii)
title_full	Crocodylian conservation and evolution insights from an anatomical and histological examination of phalli from male false gharial (Tomistoma schlegelii)
title_fullStr	Crocodylian conservation and evolution insights from an anatomical and histological examination of phalli from male false gharial (Tomistoma schlegelii)
title_full_unstemmed	Crocodylian conservation and evolution insights from an anatomical and histological examination of phalli from male false gharial (Tomistoma schlegelii)
title_sort	crocodylian conservation and evolution insights from an anatomical and histological examination of phalli from male false gharial (tomistoma schlegelii)
publisher	Wiley-Blackwell Publishing
publishDate	2020
url	http://psasir.upm.edu.my/id/eprint/88305/1/ABSTRACT.pdf
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score	13.4562235

Crocodylian conservation and evolution insights from an anatomical and histological examination of phalli from male false gharial (Tomistoma schlegelii)

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