Vol 69, No 3 (2010)
Original article
Published online: 2010-08-02
Cellular organisation and functions of the olfactory epithelium of pearl spot Etroplus suratensis (Bloch): a light and scanning electron microscopic study
Folia Morphol 2010;69(3):154-159.
Abstract
The cellular organisation of the olfactory rosettes of Etroplus suratensis was
studied by light and scanning electron microscopy. The oval shaped olfactory
rosette of the fish consists of 12 lamellae radiating from a central raphe. The
olfactory lamellae are comprised of restricted areas of sensory epithelium and
broad areas of non-sensory epithelium in the apical, middle, and basal regions.
The sensory epithelium contains three types of receptor cells: microvillus, ciliated,
and rod cells, as well as labyrinth cells and supporting cells. The non-sensory
epithelium consists of stratified epithelial and mucous cells. The transitional
region between the sensory and non-sensory epithelium consists of ciliated
receptor cells, mucous cells, and stratified epithelial cells. The different cells on
the olfactory epithelium were discussed regarding the functional significance
of the fish concerned. (Folia Morphol 2010; 69, 3: 154-159)
Keywords: cellular architectureolfactory epitheliumfunctionEtroplus suratensislight and SEM study