endocrine Flashcards
a molecule that is released in one part of the
body but regulates the activity and growth of cells in other
parts of the body.
Hormone
Help regulate.
a. Chemical composition and volume of internal
environment (extracellular fluid).
b. Metabolism and energy balance.
c. Contraction of smooth and cardiac muscle fibes.
d. Glandular secretions.
e. Some immune system activities
Hormone
Releases hormones
into interstitial fluid
→ blood → general
circulation.
ENDOCRINE SYSTEM
Slower, long-lasting
responses as
hormones linger in
blood.
ENDOCRINE SYSTEM
Neurons release
neurotransmitters at
synapses,
neuromuscular or
neuroglandular
junctions.
NERVOUS SYSTEM
Rapid responses from
effectors.
NERVOUS SYSTEM
Secretion enters
interstitial fluid and
then → bloodstream.
ENDOCRINE GLANDS
all
hormones such as
growth hormone,
insulin, adrenalin,
estrogen,
testosterone.
ENDOCRINE GLANDS
Secrete substances
that enter ducts
EXOCRINE GLANDS
mucus,
saliva, and other
digestive secretions,
sweat, tears
EXOCRINE GLANDS
carried in blood stream
Hormones
both a hormone & NT.
Nitric oxide (NO)
- Serve as major link between nervous and endocrine
systems.
HYPOTHALAMUS AND PITUITARY
Two hormones that are then stored and released from the
posterior pituitary.
oxytocin and ADH – antidiuretic hormone
attached to hypothalamus by stalk
Pituitary
an enzyme that phosphorylates (adds a phosphate group to) other
cellular proteins (such as enzymes).
protein kinase
SEVEN ANTERIOR PITUITARY HORMONES
Human growth hormone (hGH)
Thyroid-stimulating hormone (TSH)
Follicle-stimulating hormone (FSH)
Luteinizing hormone (LH)
Prolactin
Adrenocorticotropic hormone (ACTH)
Melanocyte-stimulating hormone (MSH)