Gland Types and Definitions
These glands release substances through ducts onto surfaces
What are exocrine glands?
This is a chemical messenger in the body
What is a hormone?
This “master gland” is located at the base of the brain
What is the pituitary gland?
This hormone controls body growth
What is the GH hormone?
This feedback type keeps the body stable
What is negative feedback?
These glands release hormones directly into the bloodstream
What are endocrine glands?
This is the organ a hormone acts on
What is a target organ?
This gland is located in the neck and controls metabolism
What is the thyroid gland?
This hormone lowers blood sugar
What is insulin?
Insulin and glucagon regulate this
What is blood glucose (blood sugar)?
Both endocrine and exocrine glands share this similarity
2 things that both secrete substances?
This system uses receptors and a signaling cascade
What is the second messenger system?
This glands sits on top of the kidneys
What are the adrenal glands?
This hormone raises blood sugar
What is glucagon?
This condition results from to much growth hormone in adults
What is acromegaly?
This organ is both endocrine and exocrine
What is the pancreas?
These hormones directly affect DNA in the nucleus
What is direct gene action (steroid hormone action)?
This glands is behind the sternum and helps immunity
What is the thymus?
These hormones are produced by the thyroid gland
What are T3 and T4?
This disease is caused by low thyroid hormone in adults
What is myxedema?
Endocrine glands differ from exocrine glands because they lack this
What are ducts?
This system uses cAMP as a second messenger
What is the second messenger system?
This glands regulates circadian rhythm
What is the pineal gland?
These hormones are responsible for male traits
What are androgens?
This disorder results from too little cortisol
What is Addison's disease?