Age correlated histomorphological and histoenzymic studies on the distribution of neuronal elements in the pancreas of Indian buffalo (Bubalus bubalis)

Anu Prashar; Roy, K.S.; Malhi, P.S.

Buffalo Journal 17(3): 383-389

2001


Accession: 003635580

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Abstract
Histomorphological and histoenzymic studies on the neuronal elements in the pancreas of neonatal (n=6), prepubertal (n=6), and pubertal (n=6) Murrah buffaloes, were conducted. Neuronal elements were comprised of ganglion cells, and myelinated and amyelinated nerve fibres which were present in all age groups. However, their frequency was less in pubertal animals compared in prepubertal and neonatal calves. Pacinian corpuscles were only seen in the stromal tissue of prepubertal and pubertal buffaloes. In semithin sections, the nerve terminals were seen close to the base of acinar cells. The activities of phosphatases were not observed in neuronal elements except a weak adenosine triphosphatase (ATPase) activity in pubertal animals. The activity of acetylcholinesterase (AchEase) was uniformly strong in neuronal elements in all age groups, indicating the existence of cholinergic neurotransmission. Activities of non-specific esterases (NSE), monoamine oxidase (MAO), and cytochrome-c oxidase (CYO) progressively increased with the progression of age. The levels of succinate dehydrogenase (SDH), lactate dehydrogenase (LDH), and glucose-6-phosphate dehydrogenase (G-6-PD) were consistently low in all age groups, whereas those of NADH and NADPH were relatively high.