Reports

Gastropod Urosalpinx: pH of Accessory Boring Organ while Boring

Science  17 Nov 1967:
Vol. 158, Issue 3803, pp. 920-922
DOI: 10.1126/science.158.3803.920

Abstract

Recent development of a microelectrode has enabled the first continuous recording of the pH of the secretion of the normally functioning accessory boring organ of the shell-boring predatory snail Urosalpinx. The recording was made in an incomplete borehole in a glass-shell model. The minimum pH recorded was 3.8; hitherto the secretion had been considered neutral.

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