General
Definition of a hormone
A signaling molecule that travels from an endocrine tissue to a specific target cell through the blood.
Secreted by the pineal gland; controls the body's sleep/wake cycle
MELATONIN
PITUITARY
The definition of homeostasis.
Levels are maintained within a set range due to physiological adjustments.
sweat, salivary, sebaceous, mammary, mucus, etc.
Considered the "stress" hormone
CORTISOL
The development of the body's immune system depends on the activity of the _______ gland.
THYMUS
Most hormones in the human body are regulated by ______ loops.
NEGATIVE FEEDBACK
An example of paracrine signaling
SYNAPTIC SIGNALING
The hormone _______ suppresses appetite and is secreted by ________.
LEPTIN ; ADIPOSE TISSUE
Gland that regulates the level of calcium in the blood
PARATHYROID
Less TSH secretion
The 3 types of hormones
steroids, amines, peptides
The hormone _____________ signals bone marrow to produce more red blood cells and is secreted by the __________.
ERYTHROPOIETIN ; KIDNEYS
hyper activity of this gland will result in increased metabolism
THYROID
If blood Ca2+ levels fall BELOW normal, the hormone _______ is secreted.
If blood Ca2+ levels rise ABOVE normal, the hormone _______ is secreted.
PTH
Calcitonin
The type(s) of hormones that bind to cell membrane receptors vs. the type(s) of hormones that bind to intracellular receptors
polar/water-soluble/peptides vs. non-polar/lipid-soluble/steroids
Hormone that signals the adrenal glands to release cortisol in the stress response
ACTH
Gland that secretes angiotensin and erythropoietin
KIDNEYS
When solute concentrations in blood are higher, the pituitary releases (MORE / LESS) of the hormone ________.
When solute concentrations in blood are lower, the pituitary releases (MORE / LESS) of the hormone ________.
MORE ADH
LESS ADH