Chapter 35: The Endocrine System Flashcards
What is a gland?
Structures that secrete substances
What is an exocrine gland?
Releases the product into ducts or tubes
What is an endocrine gland?
Ductless gland that releases product into bloodstream by diffusion
Example of exocrine gland.
Salivary/sweat gland
What are hormones?
Chemical messengers produced by an endocrine gland and carried in the bloodstream to another part of the body where they have a specific effect
What are hormones made of?
Globular proteins
What are the differences between the nervous system and the endocrine system?
Nervous system : fast response, electrical impulse, fast message, short lived effect, specific location of effect
Endocrine system : slow response, chemical impulse, slow message, long lasting effect, widespread effect
What are the 10 glands?
Pineal gland Hypothalamus Pituitary gland Parathyroid gland Thyroid gland Adrenal gland Pancreas Ovary Testes
Where is the pineal gland located?
Brain
Where is the hypothalamus located?
Brain
Where is the pituitary gland located?
Beneath the brain
Where is the parathyroid gland located?
On the thyroid
Where is the thyroid gland located?
Trachea
Where is the thymus gland located?
Chest at the bronchi
Where is the adrenal gland located?
On top of kidneys
Where is the pancreas located?
Abdomin under stomach
What hormone does the pineal gland release?
Melatonin
What is the function of melatonin?
Controls body rhythm
What hormone does the hypothalamus release?
ADH
What is the function of ADH?
Causes water to be reabsorbed by the kidney