adrenal medulla: the medulla of the adrenal gland; secretes epinephrine
endocrine gland: any of the glands of the endocrine system that secrete hormones directly into the bloodstream
buddhism: the teaching of Buddha that life is permeated with suffering caused by desire, that suffering ceases when desire ceases, and that enlightenment obtained through right conduct and wisdom and meditation releases one from desire and suffering and rebirth