[Ultrastructure of neurosecretory granules in the sinus gland of Palaemon serratus Pennant].

Strolenberg G E, Bellon-Humbert C, Van Herp F, Van Wormhoudt A

C R Acad Hebd Seances Acad Sci D. 1977 Jan 10;284(2):123-5.

Five types secretory granules are distinguished in the sinus gland of Palaemon serratus on the basis of differences in their diameter and their electron density. Variations in the density of the acoplasm and of the granules are observed for three of these granule types.