Mepụta nsụgharị dị mgbagwoju anya nke ahịrịokwu a A na-ejikarị ụbụrụ azụ azụ (axons) na-agbasa site na supraoptic na paraventricular nuclei nke hypothalamus.
N'ezie, nsụgharị dị mgbagwoju anya nke ahịrịokwu ahụ bụ "Ọkpụkpụ azụ azụ na-agụnye isi ihe ndị na-emepụta neuronal (axons) na-agbasa site na supraoptic na paraventricular nuclei nke hypothalamus nke na-ewepụta hormones peptide n'ime capillaries nke hypophyseal circulation. "