[Structural similarities between the hypocalcemia hormone of the corpuscles of Stannius of the eel (Anguilla anguilla L.) and the mammalian parathyroid hormone].

Extracts of the corpuscules of Stannius enhance Eel gill calcium efflux and increase bone resorption in the Rat. Thus the hormone is hypocalcaemic in the Eel although hypercalcaemic in the Rat. We show here that a 15 min.