Fine Structure of the Ampullary Organs of the Bichir Polypterus senegalus Cuvier, 1829 (Pisces: Brachiopterygii) With Some Notes on the Phylogenetic Development of Electroreceptors
Identifieur interne : 002070 ( Main/Exploration ); précédent : 002069; suivant : 002071Fine Structure of the Ampullary Organs of the Bichir Polypterus senegalus Cuvier, 1829 (Pisces: Brachiopterygii) With Some Notes on the Phylogenetic Development of Electroreceptors
Auteurs : J. M Rup J Rgensen [Danemark]Source :
- Acta Zoologica [ 0001-7272 ] ; 1982-12.
Abstract
The ampullary organs of the bichir were examined by light and electron microscopy. Unlike most other ampullary organs, they are exclusively found in the epidermis and are never sunk into the subepidermal connective tissue. The sensory epithelium consists of sensory cells and supporting cells surrounded by mantle cells. The luminal surface of the sensory cell is provided with a cilium surrounded by several microvilli. In the apical cytoplasm are found numerous mitochondria and microtubules. In the basal part of the cell synaptic sheets or synaptic bodies opposite to afferent nerve endings are frequent.
Url:
DOI: 10.1111/j.1463-6395.1982.tb00780.x
Affiliations:
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