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The EndocrineSystem
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The Endocrine System: Glandular
activities of the system
ENDOCRINE SYSTEMis made up of glands that produce and secrete hormones.
These hormones regulate the bodys growth, metabolism, and
sexual development and function.HORMONES
Directly released on the bloodstream because they have no
ducts or structured passageways to the organs that they serve.
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Endocrine Glands
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Endocrine Glands
Secrete special messengersknown as hormones that are
directly released into bloodstreambecause they have no ducts.
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Pituitary Glands
Has been called the master gland,influences growth, metabolism andregeneration
Oxytocin Influence the contraction of the uterus
during childbirth and the reflexive reaction
of milk from the mammary glands.
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Vasopressin
Regulates the amount of water in the body cells
and thus directly controls blood pressure
Anterior pituitary hormonesinclude control of timings and amount of body
growth
Too little can lead to condition called DWARFISM
Over secretion can produce GIANTISM
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He Pingping and Svetlana
Pankratova
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He Pingping stands
precisely 2 feet 5.37
inches tall.
Pankratova's legs arenearly 52 inches long.
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Adrenal glands
Located just above the kidneys
Important in neural functioning and in the ability
to cope with stress
The inner core of the adrenal gland secretesEPINEPHRINE also called ADRENALIN and
NOREPINEPHRINE (NORADRENALIN)
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Thyroid Gland
Located in the neck in front of the windpipe and weighs lessthan ounce
Hormone produced by this gland is IODINE, THYROXIN
Hypothyroidism
The result of underactivity of the thyroid gland, whichcharacterized by laziness and dullness on the part of theorganism
When this occurs in infancy the condition is known asCRETINISM
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GOITER The swelling of the thyroid
gland brought about by the
glands overworking, hencethe inability to secrete
enough hormones
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Parathyroid Glands
These are two small pea-shaped glands close to the thyroid
glands
Hormones called PARATHORMONE
PARATHORMONE Regulates utilization of calcium and phosphorous in the body
Undersecretion of this hormone results in condition known as
tetany
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Pancreas
Located near the stomach secretes two hormones which
control the level of blood sugar or glucose in the bloodstream
Glucogon
Releases glucose into the bloodstream from the glycogen
stored in the liver
Insulin
Enables glucose to move out of the blood into the cells of
muscles and tissues
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Gonads
The sex or puberty glands which produce the sperm and eggcells for reproduction
TESTES testosterone
Stimulates development and maintenance of male secondary
sexual characteristics and behaviorOVARIES estrogen and progesterone
ESTROGEN stimulates development and maintenance offemale secondary sex characteristics and behavior
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PROGESTERONE
Stimulates female secondary sex characteristics and behavior
and maintains pregnancy
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ASIDE FROM GIGANTISM AND
CRETINISM, CAN YOU NAME
OTHER ENDOCRINE-RELATED
DISORDERS?
Give at least 2 from each gland
