Hormone Basics
Chemical signals secreted into the bloodstream that regulate physiology and behavior.
What are hormones?
This gland, located at the base of the brain, is often called the "master gland."
What is the pituitary gland?
This hormone lowers blood glucose levels by promoting the uptake of glucose by cells.
What is insulin?
This hormone from the pineal gland helps our sleep and wake cycle.
What is Melatonin?
This hormone, produced by the testes, is responsible for male secondary sexual characteristics.
What is testosterone?
The type of gland that secretes hormones directly into the bloodstream.
What is an endocrine gland?
This gland produces hormones that regulate metabolism, such as thyroxine.
What is the thyroid gland?
This hormone increases blood glucose levels by promoting the breakdown of glycogen.
What is glucagon?
This hormone from the anterior pituitary stimulates the thyroid gland.
What is thyroid-stimulating hormone (TSH)?
These hormones, produced by the ovaries, regulate the female reproductive cycle.
What are estrogen and progesterone?
How do hormones travel to their target organs...
What is a "through the bloodstream?"
This gland releases insulin and glucagon to regulate blood glucose levels.
What is the pancreas?
This hormone, secreted by the adrenal medulla, prepares the body for "fight or flight" responses.
What is adrenaline (epinephrine)?
This hormone helps you to hold your urine through the night.
What is Antidiuretic Hormone?
This hormone surge triggers ovulation in females.
What is luteinizing hormone (LH)?
Progesterone comes from this target organ...
What is the ovary?
These glands are located on top of the kidneys and produce adrenaline and cortisol.
What are the adrenal glands?
This hormone stimulates uterine contractions during childbirth.
What is oxytocin?
This condition results from the hyposecretion of insulin or the body's inability to use insulin effectively.
What is diabetes mellitus?
This hormone triggers T-Cells to mature.
What is Thymosin?
Where does the hypothalamus send the hormones it creates to?
What is the Pituitary Gland?
This gland in the neck plays a crucial role in calcium homeostasis by secreting parathyroid hormone.
What is the parathyroid gland?
This hormone, produced by the pineal gland, regulates sleep-wake cycles.
What is melatonin?
The hormone that promotes water retention by the kidneys and is also known as vasopressin.
What is antidiuretic hormone (ADH)?
This anterior pituitary hormone stimulates the production of milk in mammary glands.
What is prolactin?