Section 1
Chapter 848

Control of midgut invertase activity in Periplaneta americana: the possible non-exocrine role of the salivary glands

Agrawal, OP.; Bahadur, J.

Journal of Insect Physiology 275: 293-295


ISSN/ISBN: 0022-1910
DOI: 10.1016/0022-1910(81)90074-3
Accession: 000847765

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When the salivary glands of 10-day-old adults of Periplaneta americana (L.) were removed, a gradual decline in mid-gut invertase activity occurred. No such effect occurred in cockroaches whose salivary ducts were severed. An injection of salivary gland extract in the haemocoel of salivarectomised insects caused the re-establishment, to a large extent, of the normal mid-gut enzyme levels.

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