Inggland metung yangorgan ning metung a katawan ning animal a nung nu piyayabe nala deng substance para ipalual nala bilanghormones, keraklan keng agus ningdaya(endocrine gland) o kaya kareng bitac keng kilub ning katawan o kay keng kilual balat. (exocrine gland).
Endocrine glands- deting glands a papalual de ing karelang productu keng surface imbes na keng kapamilatan ning duct.
Exocrine glands- papalual yang productu kapamilatan ning duct, deng glands ketinglupung malyari lang mangadake keng atlung lupung:
Apocrine glands - metung a dake ning papalual acell nig katawan nung nu mawawala kabang magpalual ya o ausan secretion. Ingapocrine gland keraklan magagamit ya king daleraya kingapocrine sweat glands, dapot isipan da ing apocrine sweat glands mapalyaring e tutung apocrine glands pauli ning mekad e gagamit a apocrine a paralan para keng pamagpalual o secretion.
Holocrine glands - deng eganaganang cell mikakawani la papra apalual do reng substances (antimo, sebaceous glands)
Merocrine glands - debg cells a reni papalual da ing karelang substances kapamilatan ningexocytosis (antimo, mucous at serous glands). Mayayaus ya naman "eccrine."
Ing uri ning secretory productu ningExocrine gland mapalyaring metung ya kareng atlung categoria:
Serous glands- papalual yang maranum-danum, keraklan sagana ya kengprotein a productu.
Mucous glands- papalual yang marayuput a productu, sagana ya kengcarbohydrates (e.g., glycoproteins)
