Histology of the frontal sac in three species of Leaf‐nosed bats (Hipposideridae)

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dc.contributor.authorMainoya, J. R.
dc.contributor.authorHowell, Kim
dc.date.accessioned2016-07-19T13:06:00Z
dc.date.available2016-07-19T13:06:00Z
dc.date.issued2008-04
dc.descriptionFull text can be accessed at http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2028.1977.tb00388.x/pdfen_US
dc.description.abstractHistological studies were made of the median frontal sac from both male and female specimens of Hipposideros commersoni, H. ruber, and Triaenops persicus. In H. commersoni this organ which is more prominent in the male than in the female, con tained tri-lobed sebaceous glands associated with hair follicles and modestly enlarged simple saccular apocrine glands. On the other hand this structure in H. ruber con sisted entirely of a coiled-lobule type of apocrine gland. The female had only a rudi mentary gland without any sac. The complex frontal gland in T. persicus consisted of (1) a superficial haired layer containing sebaceous glands and saccular apocrine glands, (2) a deeper-lying enormously convoluted peculiar type of apocrine gland which was more active in males than females. The sexual dimorphism expressed in both the development and activity of the frontal gland in these Hipposiderid bats suggests possible important roles in the mediation of behavioural and physiological responses related to reproduction.RésuméDes analyses histologiques ont CtC effectuees sur la poche médiofrontale du mile et de la femelle de l'Hipposideros commersoni, de 1'H. ruber et du Triaenops persicus. Chez 1'H. commersoni cet organe, plus développé chez le mâle que chez la femelle, contenait trois glandes sébacées trilobCes en association avec des follicules capillaires et avec des glandes apocrines sacciformes quelque peu dilatées. Chez le H. ruber d'autre part, cette structure consistait uniquement en une glande apocrine en spirale et lobulée. La femelle ne possédait qu'une glande rudimentaire dépourvue de poche. Chez le T. persicus, la glande frontale, complexe, comportait: (1) une couche capillaire super-ficielle contenant des glandes sCbactes et des glandes apocrines sacciformes, (2) à un niveau plus profond, un type particulier de glande apocrine fortement convolutée, plus dans active chez le mile que chez la femelle. Ce dimorphisme sexuel qui se reflète tant dans le dCveloppement que dans I'activité de la glande frontale chez les Hipposiderid semblerait ainsi influer de faGon non négligeable sur le comportement et l'activité physiologique liés à la reproduction.en_US
dc.identifier.citationHistology of the frontal sac in three species of Leaf‐nosed bats (Hipposideridae)en_US
dc.identifier.doi10.1111/j.1365-2028.1977.tb00388.x
dc.identifier.urihttp://hdl.handle.net/20.500.11810/3317
dc.language.isoenen_US
dc.titleHistology of the frontal sac in three species of Leaf‐nosed bats (Hipposideridae)en_US
dc.typeJournal Articleen_US
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