Zobrazeno 1 - 10
of 187
pro vyhledávání: '"ultra-estrutura"'
Autor:
Mauro P. Soares, Saulo P. Pavarini, Severo S. Barros, Maria L. Adrien, Pedro S. Quevedo, Ana L. Schild, David Driemeier
Publikováno v:
Pesquisa Veterinária Brasileira, Vol 36, Iss 3, Pp 161-166 (2016)
Abstract: Amorimia exotropica is an important plant associated with sudden death in cattle in Southern Brazil. In order to understand the mechanisms by which A. exotropica causes acute lesions in the heart and kidney of intoxicated animals, an experi
Externí odkaz:
https://doaj.org/article/fac83ea937ca493cb88d5201167c8699
Autor:
Alencar Jeronimo, Guimarães Anthony Érico, Mello Rubens Pinto, Lopes Catarina Macedo, Dégallier Nicolas, Santos-Mallet Jacenir R
Publikováno v:
Revista de Saúde Pública, Vol 37, Iss 5, Pp 658-661 (2003)
OBJETIVO: Observar detalhes morfológicos de ovos de Haemagogus leucocelaenus visualizados pela primeira vez por microscopia eletrônica de varredura (MEV) e realizar morfometria das principais estruturas. MÉTODOS: Foram utilizados ovos de Hg. leuco
Externí odkaz:
https://doaj.org/article/2648eba43daf4eae80c85a3e4862581a
Publikováno v:
Pesquisa Veterinária Brasileira, Vol 32, Iss suppl 1, Pp 32-36 (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. Therefore, exist
Externí odkaz:
https://doaj.org/article/83e6c061976146e798d8842be18b4f51
Autor:
Gustavo C Rodrigues, Lílian J Oliveira, Janaína M Monteiro, Ana R de Lima, Patricia O Gonçalez, Francisco J Hernandez-Blazquez, Rudolf Leiser, José R Kfoury Jr
Publikováno v:
Pesquisa Veterinária Brasileira, Vol 30, Iss 10, Pp 897-902 (2010)
The umbilical cord blood (UCB) is an important source of pluripotent stem cells, which motivated researches on ontogeny and transplantation. The morphological characterization of umbilical cord cells is the first step to establish subsequent experime
Externí odkaz:
https://doaj.org/article/282a48a7b203410d92fe5b4372768afa
Publikováno v:
Anais da Academia Brasileira de Ciências, Vol 82, Iss 2, Pp 361-367 (2010)
The spore morphology and wall ultrastructure of Sphaeropteris gardneri (Hook.) R.M. Tryon from Brazil were analyzed with LM, SEM and TEM. The spores are trilete with an ornamentation formed of short low ridges with spines in their margins. The exospo
Externí odkaz:
https://doaj.org/article/6dc8b0b563b040f3b7c02f6354da44b9
Publikováno v:
Papéis Avulsos de Zoologia, Vol 50, Iss 26, Pp 413-423 (2010)
We describe and illustrate the venom apparatus and other morphological characters of the recently described Martialis heureka ant worker, a supposedly specialized subterranean predator which could be the sole surviving representative of a highly dive
Externí odkaz:
https://doaj.org/article/df37d58631444c6a9af41eee2db30969
Publikováno v:
Revista Brasileira de Entomologia, Vol 54, Iss 3, Pp 376-398 (2010)
O presente trabalho visa fornecer subsídios para estudos morfológicos comparativos de Charaxinae neotropicais. Memphis moruus stheno (Prittwitz, 1865) é a segunda espécie neotropical de Anaeini e a primeira do gênero Memphis a ter sua morfologia
Externí odkaz:
https://doaj.org/article/3e61dbc46d8749cfb026532e063585d1
Autor:
Viviane Helena Chirinéa, Lúcia Daniel Machado da Silva, Rita de Cássia Soares Cardoso, José Domingues Fontenele-Neto, Alexandre Rodrigues Silva, Maria Denise Lopes
Publikováno v:
Ciência Animal Brasileira, Vol 10, Iss 2, Pp 595-601 (2009)
In spite of the advances in transmission electronic microscopy (TEM), there are few studies presenting a systematic description of the canine spermatozoa and they are only focused on sperm cell heads. The goal of the present study was to describe ult
Externí odkaz:
https://doaj.org/article/0253e4cbe778406a9e07bde1ba38f63c
Publikováno v:
Acta Botânica Brasílica, Vol 23, Iss 2, Pp 376-388 (2009)
Neste trabalho foi estudado o desenvolvimento e a ultra-estrutura dos canais do floema dos ápices vegetativos de Spondias dulcis G. Forst., a ultra-estrutura dos canais floemáticos dos ápices vegetativos de Tapirira guinanensis Aubl., bem como, a
Externí odkaz:
https://doaj.org/article/ac496831cc9a420083b61fcc273793b0
Autor:
Eduardo Alves, Breno Leite, Sérgio Florentino Pascholati, Maria Lúcia Ishida, Peter Craig Andersen
Publikováno v:
Scientia Agricola, Vol 66, Iss 2, Pp 218-224 (2009)
Citrus variegated chlorosis (CVC), caused by Xylella fastidiosa, is an important disease of citrus in Brazil. X. fastidiosa is restricted to xylem vessels of plants and knowledge regarding xylem colonization is still limited. Our goal was to verify h
Externí odkaz:
https://doaj.org/article/f9085dd80bc94b73ae4359efabe5353e