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Morphological re-evaluation of the parotoid glands of Bufo ictericus (Amphibia, Anura, Bufonidae)
Provedor de dados: Naturalis Digital Academic Repository
Autores: Almeida, P.G. de; Felsemburgh, F.A.; Azevedo, R.A.; Brito-Gitirana, L. de.
Multicellular glands in the amphibian integument represent a signifi  cant evolutionary advance over those of fi shes. Bufonids have parotoid glands, symmetrically disposed in a post-orbital position.  Their secretion may contribute to protection against predators  and parasites. This study provides a re-evaluation of the morphology  of the Bufo ictericus parotoid glands. The parotoid gland  integument of the medial surface shows rounded depressions  with small pores that connect with the duct openings of the larger  granular glands. Under light microscopic evaluation the integument  is constituted by typical epidermis, supported by dermis  subdivided into a spongious dermis, a reticular dermis, and a  compact dermis. The Eberth-Katschenko layer is...
Tipo: Article / Letter to the editor
Palavras-chave: Morphology; Amphibian integument; Exocrine glands; Bufonid; 42.82; 42.62.
Ano: 2007
URL: http://www.repository.naturalis.nl/record/256117