SB7a: Hormone Keywords Flashcards
Adrenal gland
A gland located on top of a kidney that produces the hormone adrenalin. It can be referred to as an adrenal.
Endocrine gland
An organ that makes and releases hormones into the blood.
Hormone
Chemical messenger that is released into the blood from an endocrine gland and causes target cells to change how they work.
Hormonal system
The collection of glands in the body that release hormones. This system controls long-term or widespread responses by the body to changes inside and outside the body.
Ovary
Organ in the female reproductive system that releases egg cells and the hormones oestrogen and progesterone.
Pancreas
Organ in the body that produces some digestive enzymes, as well as the hormones insulin and glucagon.
Pituitary gland
An organ just below the brain that controls many activities of the body (e.g. metabolic rate and the menstrual cycle) by the release of hormones into the blood. It can be referred to as the pituitary.
Sex hormone
Any hormone that affects reproduction (e.g. oestrogen, testosterone).
Target organ
An organ on which a hormone has an effect.
Testis
An organ in the male reproductive system that produces sperm cells and the hormone testosterone. Plural is testes.
Thyroids gland
A gland that releases the hormone thyroxine into the blood.