Linked Life Data

12659036

Source:http://linkedlifedata.com/resource/pubmed/id/12659036

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
4B
pubmed:dateCreated
2003-3-27
pubmed:abstractText
The ultrastructural features of the sperm were studied in the hermaphroditic teleost Satanoperca jurupari HECKEL, 1840 from Amazon River. Spermatocytes, spermatids and sperm develop in the testicular cysts among the different oocyte stages. Different stages of early spermatocyte development, mainly the ones with synaptonemal complexes were often observed. The mature spermatozoa belong to the introsperm type, with a short head (approximately 3 microns long and 1.3 microns wide) without acrosome, short midpiece (approximately 1.2 microns long and 1.8 microns wide) containing several mitochondria surrounding two centrioles and forming a mitochondrial collar. They have two flagella (each approximately 15 microns long) each of which has a common 9 + 2 microtubular pattern. Each flagellum has two opposite lateral cytoplasmic extensions that begin about 3 microns the midpiece still close to the end piece of flagellum.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:status
MEDLINE
pubmed:month
Nov
pubmed:issn
1519-6984
pubmed:author
pubmed:issnType
Print
pubmed:volume
62
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
847-52
pubmed:dateRevised
2007-9-6
pubmed:meshHeading
pubmed:year
2002
pubmed:articleTitle
Biflagellate spermatozoon structure of the hermaphrodite fish Satanoperca jurupari (Heckel, 1840) (Teleostei, Cichlidae) from the Amazon River.
pubmed:affiliation
Faculdade de Ciências Agrárias do Pará, Av. Tancredo Neves, 2501, CEP 66077-530, Belém, PA, Brazil. ed.matos@bol.com.br
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't