1965
DOI: 10.1002/jez.1401600108
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Fine structure of the prostatic epithelium of the opossum (Didelphis virginiana Kerr)

Abstract: The opossum prostate is highly complex cytologically, containing six different secretory cell types, each possessing a recognizably different secretory product. Secretory granules in cells of the first segment contain numerous particles 60k in diameter of high electron density. They are transferred to the lumen by apocrine secretion. Both granules and lumina contain iron (Turnbull blue reaction), Segment two possesses t h e e cell types. Type A cells have spherical secretory granules containing acid mucopolysa… Show more

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Cited by 22 publications
(16 citation statements)
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“…The epithelial characteristics of the different zones of the prostate segments of the species, which include G. microtarsus, are different with regard to the development of apex projections and cell pigment (HRUBAN et al, 1965;GARCIA;GONÇALVES, 1984;CAMPOS, 1995). Nogueira et al (2004) report that Chironectes minimus has two pairs of bulbourethral glands, similar to those registered in marsupials of the genera Caluromys, Gracilinanus, Monodelphis, Thylamis and Glironia.…”
Section: Discussionmentioning
confidence: 99%
“…The epithelial characteristics of the different zones of the prostate segments of the species, which include G. microtarsus, are different with regard to the development of apex projections and cell pigment (HRUBAN et al, 1965;GARCIA;GONÇALVES, 1984;CAMPOS, 1995). Nogueira et al (2004) report that Chironectes minimus has two pairs of bulbourethral glands, similar to those registered in marsupials of the genera Caluromys, Gracilinanus, Monodelphis, Thylamis and Glironia.…”
Section: Discussionmentioning
confidence: 99%
“…Todas essas substâncias também foram observadas no lume dos túbulos e ductos. De acordo com Setchell (1977) e Martan (1983), em D. virginiana as células do segmento cranial contêm mucossubstâncias, fosfolipídios, fosfatase ácida, aliesterase, 5' nucleotidase, nucleosídio-di-fosfatase e ainda ferro (Hruban et al 1965, Martan 1983). Esse ultimo, possivelmente, é o responsável pela coloração escura desse segmento e a regulação da atividade enzimática do líquido seminal.…”
Section: Microtarsus)unclassified
“…As células desse segmento contêm glicogê-nio, mucossubstâncias neutras e sialomucinas, porém o glicogênio só foi detectado nas células da parte externa e interna. Segundo alguns autores (Hruban et al 1965, Martan& Allen 1965, Martan 1983, em D. virginiana, grânulos esféricos nas células do tipo A contêm mucossubstâncias ácidas, enquanto grânulos alongados das células tipo B contêm proteínas. Ladman & Soper (1963) também detectaram nessa espécie a presença de grânulos esféricos e alongados contendo glicoproteínas e fosfolipídios na parte externa desse segmento.…”
Section: Microtarsus)unclassified
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