What is the role/function of neurohormones in annelied?

Phylum Annelida

There is a complex just beneath the brain that functions as a neurohemal organ. The epithelial cells found in this complex may be secretory as well, but this has not been proved. Neurohormones are released from the infracerebral complex into the coelomic fluid through which they travel to their targets.

it it is located at the base of the brain near the pituitary gland it's very small the hypothalamus plays a crucial role in many important functions include releasing hormones regulating body temperature.

i think it is true in my reasonment ..