Secreted from the anterior pituitary gland, this hormone triggers the release of glucocorticoids from the adrenal gland.
Steroid hormones that maintain male characteristics. The primary one is testosterone.
Secreted from the posterior pituitary gland, this hormone regulates solute levels in the blood by promoting water retention in the kidneys.
A peptide hormone that reduces pain, boosts the immune system, and increases relaxation.
A thyroid hormone that tends to lower the level of calcium in the blood plasma and inhibit calcium release from bones. It is antagonistic to parathormone.
A neurotransmitter that influences voluntary movement, attention, and alertness.
Also known as adrenaline, this hormone prepares the body for "fight or flight" behavior.
A general term for female steroid sex hormones that are secreted by the ovary and responsible for typical female sexual characteristics.
This hormone initiates ovulation each month in the ovary and estrogen secretion by developing follicles in females, while stimulating sperm production in the males.
A hormone that increases the blood glucose level by triggering its release from the pancreas. It is antagonistic to insulin.
A large class of corticoids that regulates immune responses, metabolic activity, and fetal development. They often raise blood sugar levels.
Secreted from the anterior pituitary gland, this hormone stimulates growth in humans.
A hormone released in excess during allergic reactions causing swelling and inflammation of tissues.
This hormone decreases blood sugar levels by facilitating the transport of glucose into the body cells where it is oxidized for energy or converted to glycogen for storage. It is antagonistic to glucagon.
Insulin-like growth factor
Hormones secreted from the liver due to stimulation from growth hormone, these regulate normal physiology and promote cell proliferation.
This hormone initiates ovulation in females while stimulating testosterone production in males.
Hormones that vary in a daily cycle, allowing the entrainment of circadian rhythms.
A large class of corticoids that directs the salt and water balance of the body. The primary one is aldosterone.
Secreted by the posterior pituitary gland, this hormone facilitates maternal behaviors, orgasm, childbirth, maternal behaviors, and breastfeeding, among other things.
Secreted by the parathyroid glands, this hormone increases calcium levels in the blood by stimulating its release from bones. It is antagonistic to calcitonin.
A hormone that stimulates growth of the uterine lining and helps support pregnancy.
A hormone that stimulates the filling of the female breast with milk during breastfeeding.
Secreted from the kidneys, this peptide hormone regulates arterial blood pressure.
This hormone regulates the production of platelets in the bone marrow.
This hormone stimulates T-cell action as part of the immune response.
Hormones that regulate the endocrine function of the thyroid and causing it to secrete thyroxine.
Secreted from the thyroid, this hormone controls the rates of metabolic activities and influences physical development.