Usoro okwu mkpụrụ ndụ ihe nketa. Hormone steroid nwere obere arọ molekụla ma bụrụ nke na-agbaze lipid. Ha nwere ike banye n'ime sel ndị e lekwasịrị anya site na mgbasa ma ọ bụ mbufe ebu. Mgbe ịbanye na sel, hormones steroid na-ejikọta na ndị na-anabata ya na cytosol iji mepụta ogige ndị na-anabata hormone, nke nwere ike ịmalite ntụgharị allosteric site na akpụkpọ ahụ nuklia n'okpuru okpomọkụ kwesịrị ekwesị na ntinye Ca2 +.

Mgbe ịbanye na nucleus, hormone na-ejikọta na onye na-anabata ya na nucleus iji mepụta mgbagwoju anya. Mgbagwoju anya a na-ejikọta na saịtị ndị akọwapụtara na chromatin na-abụghị histone, na-ebute ma ọ bụ gbochie usoro ntinye ederede DNA na saịtị a, wee kwalite ma ọ bụ gbochie nguzobe nke mRNA. N'ihi ya, ọ na-akpali ma ọ bụ na-ebelata njikọ nke ụfọdụ protein (karịsịa enzymes) iji nweta mmetụta ya. Otu mkpụrụ ndụ ihe nketa nke homonụ nwere ike imepụta ọtụtụ puku mkpụrụ ndụ protein, si otú ahụ na-arụ ọrụ nke homonụ ahụ na-abawanye.

Nzaghachi Hormone N'oge ọrụ akwara, ọkwa nke homonụ dị iche iche, ọkachasị ndị na-achịkọta ike ike, na-agbanwe n'ọkwa dị iche iche ma na-emetụta ọkwa metabolic nke ahụ na ọkwa ọrụ nke akụkụ ahụ dị iche iche. Ịtụ ọkwa nke ụfọdụ homonụ n'oge mgbatị ahụ na mgbe emechara ya na iji ha tụnyere ụkpụrụ dị jụụ ka a na-akpọ nzaghachi hormonal maka mmega ahụ.

HORMONES na-anabata ngwa ngwa, dị ka EPINEPHRINE, NOrepINEPHRINE, CORTISOL, na ADRENOCORTICOTROPIN, na-ebuli elu na plasma ozugbo ka emechara mgbatị ahụ ma na-arị elu n'ime obere oge.

Hormones na-emeghachi omume n'etiti, dị ka aldosterone, thyroxine, na pressor, na-ebili nwayọ nwayọ na plasma mgbe mmalite mmega ahụ gasịrị, na-eru elu n'ime nkeji.

Hormones na-azaghachi ngwa ngwa, dị ka hormone na-eto eto, glucagon, calcitonin na insulin, anaghị agbanwe ozugbo ịmalite mgbatị ahụ, mana jiri nwayọọ nwayọọ na-abawanye mgbe 30 ruo 40min nke mgbatị ahụ gasịrị ma rute ọnụ ọgụgụ kasị elu n'oge ọzọ.