Kulakovskiĭ E E, Vilisova V M
Zh Evol Biokhim Fiziol. 1976 Jul-Aug;12(4):356-7.
In electron microscopic investigations of the eyestalk of A. salina we were not able to find any elements of the most important neuroendocrine system X-organ--sinus gland which is typical of higher Crustaceans. The data obtained indicate that this system appears only in higher Crustaceans as the result of development of their central nervous system.
