Sexual dimorphism of the vomeronasal organ and the accessory olfactory bulb of the mandarin vole Microtus mandarinus and the reed vole M.fortis

• Autorzy: Tai F. D. , Wang T.Z. , Zhang Y.H. , Sun R.Y.
• Języki publikacji: EN

Abstrakty

EN

Sexual dimorphisms of the vomeronasal organ (VNO) and the accessory olfactory bulb (AOB) of the mandarin vole Microtus mandarinus Milne-Edwards, 1871 and reed vole M. fortis Büchner, 1889 are reported for the first time in the present work. The thickness and length of the vomeronasal epithelium (VE) and the nuclear size of the receptor cells, the width and length of the granule cell zone, the width and length of the mitral cell zone, and the density of the mitral cells were surveyed. The thickness and length of the vomeronasal epithelium (VE), the length of the granule cell zone and the mitral cell zone, and the densities of mitral cells were significantly different between male and female reed voles. Male and female mandarin voles had no significant differences in any of these parameters. Polygamous reed voles had a greater degree of sexual dimorphism in VNO and AOB than did monogamous mandarin voles. The present results provide evidence to the hypothesis that the degree of sexual dimorphism may be related to the mating system.

Słowa kluczowe

EN

reproductive behaviour; mouse; sexual dimorphism; social behaviour; mice; vomeronasal organ; vole; Microtus fortis; Microtus mandarinus; reed vole

• Wydawca: -
• Czasopismo: Acta Theriologica
• Rocznik: 2004
• Tom: 49
• Numer: 1
• Opis fizyczny: p.33-42,fig.,ref.

Twórcy

autor

Tai F. D.

• Shaanxi Normal University, Xi'an, 710062, The People's Republic of China

autor

Wang T.Z.

autor

Zhang Y.H.

autor

Sun R.Y.

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