Isi ọrụ nke gland thyroid bụ imepụta na iwepụta homonụ thyroid, gụnyere thyroxine (T4) na triiodothyronine (T3), Free Thyroxine (FT4), Fre Triiodothyronine (FT3) na Thyroid Stimulating Hormone nke na-arụ ọrụ dị mkpa na metabolism nke ahụ na iji ike eme ihe.

Homonụ thyroid na-emetụta mmepe anụ ahụ mmadụ, uto ya, metabolism ya, na ahụike ya dum site n'ịchịkwa usoro ahụike dịka ọnụego mmeghachi omume metabolic n'ime sel, okpomọkụ ahụ, ọsọ obi, ikike nri, ọrụ akwara na akwara, mmepụta mkpụrụ ndụ ọbara uhie, na metabolism ọkpụkpụ.

Ọrịa thyroid na-arụ ọrụ nke ọma ma ọ bụ nke na-anaghị arụ ọrụ nke ọma nwere ike ime ka mmeghachi omume ahụ na homonụ ndị a ghara ịdị mma. Ọrịa thyroid nwere ike ibute mmeghachi omume ngwa ngwa, mmụba nke ọnụego obi, mmụba nke okpomọkụ ahụ, na oriri mmanụ ọkụ ngwa ngwa, ebe hypothyroidism nwere ike ibute mmeghachi omume na-adịghị mma, mbelata ọnụego obi, mbelata okpomọkụ ahụ, na mbelata mmepụta okpomọkụ ahụ.

Ebe a Anyị nwereTes TT3t,Ule TT4, Ule FT4, Ule FT3,Ngwa nnwale TSHmaka ịchọpụta ọrụ nke thyroid gland