Results 31 to 40 of about 1,484 (212)
Acta Scientiarum: Biological Sciences, 2008 O objetivo deste trabalho foi o de esclarecer dúvidas referentes ao desenvolvimento e à diferenciação dos ovócitos de Piaractus mesopotamicus (Osteichthyes, Characidae), ultra-estruturalmente, acompanhando as transformações que ocorreram durante o ...
Elizabeth Romagosa +1 more
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Secretory cycle of the Dufour's gland in workers of the Bumble bee Bombus terrestrisL. (Hymenoptera: Apidae, Bombini) [PDF]
, 1999 The Dufour's gland of Bombus terrestris workers, of different ages and with varying degrees of ovary development, was studied with the aim to verify its involvement in reproduction.
Abdalla, Fábio Camargo +3 more
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Acta Botânica Brasílica, 2008 Foram analisados aspectos anatômicos e ultra-estruturais foliares de Cyperus maritimus Poir. visando identificar caracteres adaptativos ao ambiente de dunas litorâneas.
Shirley Martins +2 more
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Boletim de Zoologia, 1977 As glândulas anexas ao ferrão de Camponotus rufipes são bem desenvolvidas e compostas de uma glândula ácida com três regiões distintas: dois filamentos livres, uma região convoluta formada por um tubo resultante da união dos dois filamentos, extremamente dobrado e um reservatório, e além desta uma glândula básica em forma de saco bífido.
Vardeci Gama, Carminda Da Cruz Landim
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Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 2006 An ultrastructural and histological study was performed to determine the degree of differentiation of the neoplastic cells. The histological study revealed neoplastic cells with pleomorphism, oval nuclei, prominent nucleoli, irregularly distributed ...
R.M. Manzan +4 more
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Ultrastructure of the epithelium lining of cauda epididymidis in mongrel dogs
Pesquisa Veterinária Brasileira, 2012 The epithelium lining of cauda epididymidis in mongrel dogs was examined by transmission electron microscopy. The epididymal epithelium is pseudostratified with stereocilia and is composed predominantly of principal and clear cells.
Bruno C. Schimming +3 more
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Pesquisa Veterinária Brasileira, 2004 Swine eperythrozoonosis is a haemotrophic disease caused by Eperythrozoon suis, actually called Mycoplasma suis, an extracellular bacterial organism that apparently adheres to pig erythrocyte membrane, inducing its deformation and damage. Since little is
Enrique L. Portiansky +3 more
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Hair fiber characteristics and methods to evaluate hair physical and mechanical properties [PDF]
, 2009 The hair thread is a natural fiber formed by keratin, a protein containing high concentration of sulfur coming from the amino acid cystine. The main physical proprieties of the hair depend mostly on its geometry; the physical and mechanical properties of
BABY, André Rolim +6 more
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Anais da Academia Brasileira de Ciências, 2008 Discrepant and incomplete interpretations of fruits of Pterodon have been published, especially on the structural interpretation of the pericarp portion that remain attached to the seed upon dispersal. The present work clarified these doubts and analyzed
Élder A.S. Paiva +2 more
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Glândulas de óleo no gênero neotropical Dahlstedtia Malme - Leguminosae, Papilionoideae, Millettieae [PDF]
Dahlstedtia pentaphylla (Taub.) Burkart and D. pinnata (Benth.) Malme belong to the Millettieae tribe and are tropical leguminous trees that produce a strong and unpleasant odour.
ROCHA, Joecildo Francisco +1 more
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