HISTOLOGICAL AND HISTOCHEMICAL STUDIES OF THE NEUROSECRETORY CELLS OF ABEDUS OVATUS (STAL) (INSECTA : BELOSTOMATIDAE)
T. G. LALITHA *
DEPARTMENT OF ZOOLOGY, ANDHRA UNIVERSITY, VISAKHAPATNAM-530003, INDIA.
K. SHYAMASUNDARI *
DEPARTMENT OF ZOOLOGY, ANDHRA UNIVERSITY, VISAKHAPATNAM-530003, INDIA.
HANUMANTHA RAO *
DEPARTMENT OF ZOOLOGY, ANDHRA UNIVERSITY, VISAKHAPATNAM-530003, INDIA.
*Author to whom correspondence should be addressed.
Abstract
Four types of neurosecretory cells (NSCs), designated as A,B,C and D cells were observed in the brain and ventral ganglia of Abedus ovatus. 'A' cells were encountered only in pars intercerebralis while B, C and D were distributed in subOesophageal and the fused thoracico and abdominal ganglia. The histochemical observations of the neurosecertory material (NSM) revealed that it is a protein, rich in disulfides, sulfhydrils and glycoproteins associated with phospholipids.