English   español  
Por favor, use este identificador para citar o enlazar a este item: http://hdl.handle.net/10261/135069
logo share SHARE   Add this article to your Mendeley library MendeleyBASE

Visualizar otros formatos: MARC | Dublin Core | RDF | ORE | MODS | METS | DIDL
Exportar a otros formatos:

Ultrastructural details of spermdegeneration in the ingestive gland of Bolinus brandaris (Gastropoda, Prosobranchia)

AutorAmor, María José; Ramón, Montserrat ; Durfort, Mercè
Palabras claveFemale appartus
Ingestive gland
Spermatozoa degeneration
Fecha de publicaciónjul-2005
CitaciónComparative Biochemistry and Physiology - Part A: Molecular and Integrative Physiology 141(3,Supplement): S208 (2005)
ResumenThe twisted ducts making up the ingestive gland of Bolinus brandaris are internally lined by a mucosa of prismatic monostratified and ciliated epithelia with large microvilli arranged in rows. This gland performs two functions: oocyte fecundation, and the enzymatic destruction and subsequent resorbption of non-functional spermatozoa. Therefore, these cell structures are related and preserve the optimal conditions for fecundation and enzyme synthesis. The two types of sperm in this species (eupyrene and apyrene) as well as inmature forms, are seen along the duct. These spermatozoa invaginate into the ingestive gland cells, whose enzymatic secretions are spilled over the sperm cells, leading to an initial phase of degradation because plasma membranes are communicated. Not all spermatozoa follow the same route in the degeneration process. In some cases, the axonema degenerates first, while in other cases, fusion of the cryoplasm preceeds degeneration of the axonema
DescripciónAbstracts of the Annual Main Meeting of the Society for Experimental Biology, A2 Genomics in Aquaculture, 11-15 July 2005, Universitat Autonoma de Barcelona, Barcelona, Spain.-- 1 page
Versión del editorhttps://dx.doi.org/10.1016/j.cbpb.2005.05.016
Identificadoresissn: 1095-6433
doi: 10.1016/j.cbpb.2005.05.016
Aparece en las colecciones: (ICM) Comunicaciones congresos
Ficheros en este ítem:
No hay ficheros asociados a este ítem.
Mostrar el registro completo

NOTA: Los ítems de Digital.CSIC están protegidos por copyright, con todos los derechos reservados, a menos que se indique lo contrario.