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Secretes hormones into the blood stream
endocrine
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opposite of endocrine and secretes products onto outside. ex: sweat, lacrimal, sebacious, salivary, mammory glands
exocrine
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is an organ which produces and secretes a substance.
glands
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which glands have ducts
exocrine
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which glands have no ducts (ductless gland).
endocrine
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have receptors (like a key to a lock) specific to a hormone
target tissue or target organs
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Chemicals which affect chemistry of a cell.
hormones
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what is the function of hormones
- increase or decrease metabolism in a target cell
- regulates growth
- regulate pH
- food metabolism
- regulate release of other hormones
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an organ that is a portion of the brain that produces hormones. controls the pituatary and connects the nervous system to the endocrine system
hypothalamus
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Hypothalamus produces a hormone called ___ that travels to the pituatry gland.
Thyroid Releasing Hormone (TRH)
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which hormone decreases release of the hormones
inhibitis hormone
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What type of glands are Ductless glands that secrete hormones into the blood?
Endocrine glands
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Structural variations of the amino acid tyrosine; thyroxine, epinephrine
amines
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chanies of amino acids
Proteins
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Peptides; Insulin, GH, Glucagon are examples of what chemistry of hormones
proteins
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ADH and xytocin are what chemistry of hormones
peptides
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made from cholestrol
steroids
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cortiso, aldosterone, estrogen, testosterone are all hormones made from
steroids
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When are hormones secreted
When ther is a need for their effects.
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The secretion of most hormones is regulated by what mechanisms.
negative feedback mechanisoms
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Is it the anterior pituitary gland or posterior pituitary gland that regulate many body functions? An they are regulated by what hormones from the hypothalamus.
anterior and releasing hormones from the hypothalamus
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veins that allow secreted releasing hormones that has passed through capillaries in the hypothalamus
hypophyseal portal veins
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what are the hormones of the anterior pituitary
- GH-growth hormone
- TSH-Thyroid Stimulating Hormone
- ACTH-Adrenocorticotropic hormone
- FSH-follicle stimulating hormone
- LH-Luteinizing Hormone
- PROLACTIN
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What are the hormones of the posterior pituitary
- ADH-Antidiuretic Hormone
- Oxytocin
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The posterior pituatry gland is stimulated by
nerve impulses from the hypothalamus
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What is another name for ADH (Antidiuretic Hormone
Vasopressin
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What does antidiuretic hormone do
increase the reabsortion of wate by kidney which decreases urine
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Cortex: Aldosterone, Cortisol, Sex hormones
Medulla: Epinephrine and Norepinephrine
Adrenal (Suprarenal) Glands
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Testotsterone,
Inhibin
Testes
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Estrogen
Progesteron
Inhibin
Ovaries
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Insulin
Glocagon
Pancreas
-
Immune Hormones
Thymus Gland
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Thyroxine and T3
Calcitonin
Thyroid Gland
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Releasing hormones for anterior pituatary
Hypothalamus
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Anterior: GH, TSH, ACTH,FSH, LH, Prolactin
Posterior: ADH, Oxytocin
Pituitary (Hypophysis) gland
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-
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Growth Horomone (GH) in the Anterior Pituatary gland and its target organ is
Bones and Organs
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ACTH (Adrenocorticotropic Hormone) target organ is what and what does it stimulate
- Adrenal Cortex
- stimulates secretion of cortison and other hormones
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TSH (thyroid stimulating hormone) target organ is what and what the does it stimulate
- thryoid gland
- Stimulates normal growth of the thyroid and secretion of thyroxine (T4) and triiodothyronine (T3).
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FSH (follicle stimulating hormone) target organ is
Testes and ovaries
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LH (Lutenizing Hormone) target organ is
ovaries and testes
-
Prolactin target organ is
Breasts
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Oxytocin target organs
uterus and breasts
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ADH ( Antidiuretic Hormone) target organ is
kidneys
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What is another name for growth hormone (GH
somatotropin
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what is another name for growth hormone-inhibiting hormone
somatostatin
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what is another name for TSH
thyrotropin
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FSH is one of which hormone and what does it effect
- gonadotropic hormone
- effects the gonads: ovraries or testes.
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What does FSH stimulate
secretion of estrogen for women, sperm production in men and is stimulated by hypothalamus,
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what is another gonadotropic hormone and what does it stiumulate
- Luteinizing Hormone (LH)
- ovulation for women
- Progesterone
- men: interstitial cells of the testes to secrete testosterone in men
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Secretion of the LH hormone is regulated by
GnRH in from the hypothalamus
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