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Ultrastructure of the Thyroid Gland in Adult West African Dwarf Goat (Capra hircus)
Provedor de dados: International Journal of Morphology
Autores: Igbokwe,Casmir Onwuaso; Ezeasor,Daniel Nwagbo; Umar,Mohammed Bello.
The present study examined ultrastructure of the thyroid gland of adult West African Dwarf (WAD) goat in order to further understand the ultrastructural morphology and some of the changes in the components of the thyroid gland in goat with age. Thyroids glands obtained from fifteen adult WAD goats of different ages and sexes slaughtered at the local abattoirs were used in this study. Electron microscopic techniques were used to study the fixed tissue with emphasis on the follicular and parafollicular cells. The results showed that the ultrastructure is generally similar to that of some domestic animals. Follicular cells were cuboidal in young adult goats thyroids but were flattened in older goat thyroids of 5­7 years. These cells remarkably showed highly...
Tipo: Journal article
Palavras-chave: Ultrastructure; Thyroid gland; Dwarf goat.
Ano: 2015
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022015000200020