Comparative renal morphology of some southern African otomyine rodents

• Autorzy: Pillay N. , Willan K. , Taylor P.J.
• Języki publikacji: EN

Abstrakty

EN

The kidney structure of 21 individual otomyine rodents representing six southern African taxa from localities with differing climatic profiles was studied by means of light microscopy. Variation in the data was accounted for primarily by relative cortex and medulla proportions, The kidneys of Otomys angoniensis Wroughton, 1906, O. irroratus (Brants, 1827) and O. nloggetti robertsi Hewitt, 1927 displayed mesic adaptation, and those of 0. unisulcatus F. Cuvier, 1829, Parotomys brantsii (A. Smith, 1834) and P, littledalei Thomas, 1918 xeric adaptation, reflecting species-specific pat­terns of geographic distribution across southern African rainfall gradients. Neither mesic nor xeric renal characters appear optimally expressed in the species considered, and it is postulated that feeding habits and behavioural adaptations play a significant role in the water economy of otomyine rodents.

Słowa kluczowe

EN

diet; behaviour; kidney structure; rodent; renal morphology; climate; otomyine rodent; Otomyinae

• Wydawca: -
• Czasopismo: Acta Theriologica
• Rocznik: 1994
• Tom: 39
• Numer: 1
• Opis fizyczny: p.37-48,fig.

Twórcy

autor

Pillay N.

• University of Natal, King George V Avenue, Durban 4001 ,RPA

autor

Willan K.

autor

Taylor P.J.

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