A regulatory substance produced in an organism and transported in tissue fluids such as blood or sap to stimulate specific cells or tissues into action
A person’s sex hormones as held to influence behaviour or mood
A hormone, such as oestrogen or testosterone, affecting sexual development or reproduction
A hormone which stimulates growth in animal or plant cells, especially (in animals) that secreted by the pituitary gland
A hormone responsible for controlling the moulting process in insects and other arthropods; specifically the steroid ecdysone.
Any of a number of hormones regulating larval development in insects and inhibiting metamorphosis
A substance in the external environment that mimics the action of a hormone or otherwise alters the endocrine or physiological function of an organism or species.
Another term for gonadotrophin.
Another term for prolactin.
A gland next to the thyroid which secretes a hormone (parathyroid hormone) that regulates calcium levels in a person’s body
The human form of growth hormone (somatotropin); (also) a pharmaceutical preparation of this, originally obtained from pituitaries at autopsy, later produced by recombinant DNA technology, and used chiefly to treat children with pituitary dwarfism; abbreviated HGH.
A natural hormone in cattle that helps regulate growth and milk production and that may be produced artificially and given to dairy cattle to increase the yield of milk
Any of the hormones produced by the adrenal cortex; especially cortisol or other glucocorticoid.
A hormone secreted by the anterior pituitary gland which promotes the formation of ova or sperm
A hormone secreted by the pituitary gland that is involved in pigmentation changes in some animals