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Internal anatomy of the terminal ampoule of Metapenaeus monoceros (Fabricius, 1798) and its role in spermatophore formation

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Title Internal anatomy of the terminal ampoule of Metapenaeus monoceros (Fabricius, 1798) and its role in spermatophore formation
Not Available
 
Creator Sanil,N K
Manisseri,Mary K
Abraham,Joice
 
Subject Adhesive globules
Histology
Metapenaeus monoceros
Terminal ampoule
Ultrastructure
 
Description Not Available
Internal anatomy of terminal ampoule of Metapenaeus monoceros and the role played by this organ in spermatophore
formation were elucidated employing histological and ultrastructural techniques. Terminal ampoule of mature male specimens
consisted of an outer layer of connective tissue surrounding a layer of circular and longitudinal muscle fibres. The lumen of
terminal ampoule was divided into four chambers lined by basophilic glandular epithelial cells, which showed intense
secretary activity. One of the chambers had sperm mass surrounded by primary and secondary spermatophore layers. Formation
of an eosinophilic matrix and adhesive globules resulting from secretions by glandular epithelial cells were observed in other
chambers. Ultrastructural studies revealed that the cytoplasm of the epithelial cells had numerous free ribosomes, concentric
arrangement of rough endoplasmic reticulum with vesicles often discharged into the lumen, and numerous electron dense
bodies, all confirming the intense secretary activity taking place in the ampoule.
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Date 2021-09-16T06:44:25Z
2021-09-16T06:44:25Z
2012
 
Type Article
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/62970
 
Language English
 
Relation Not Available