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36 Cards in this Set
- Front
- Back
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The pituitary gland controls the growth and activity of what three other endocrine glands?
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1. Thyroid
2. Adrenals 3. Gonads |
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The pituitary gland is located in a small depression in the sphenoid bone called the....
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sella turcica
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The pituitary gland is located in the sella turcica, which is located where?
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The sella turcica is located in a small depression in the sphenoid bone, just beneath the hypothalamus.
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What connect the pituitary gland to the hypothalamus?
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A thin stalk called the infundibulum.
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What are the hormones of the anterior pituitary gland?
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FSH, LH, ACTH, TSH, Prolactin, GH, beta-lipotropin
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What is the target of TSH?
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Thyroid gland
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What is another name for TSH?
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thyrotropin
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What is another name for thyrotropin?
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TSH
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What is the major action of TSH?
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TSH stimulates synthesis and secretion of thyroid hormones.
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What is the major action of FSH on the ovaries?
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FSH stimulates growth of follicles and estrogen secretion.
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What is the major action of FSH on the testis?
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FSH acts on Sertoli cells to promote maturation of sperm.
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What are the targets of FSH?
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The ovary and the testis.
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What are the targets of LH?
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The ovary and the testis.
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What is the major action of FSH on the testis?
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FSH acts on Sertoli cells to promote maturation of sperm.
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What are the major actions (2) of LH on the ovary?
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1. LH stimulates ovulation of ripe follicle and formation of corpus luteum.
2. LH stimulates estrogen and progesterone synthesis by corpus luteum. |
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What are the targets of FSH?
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The ovary and the testis.
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What is the major action of LH on the testis?
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LH stimulates interstitial cells of Leydig to synthesize and secrete testosterone.
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What are the targets of LH?
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The ovary and the testis.
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What is the target of GH?
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Most tissues.
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What are the major actions (2) of LH on the ovary?
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1. LH stimulates ovulation of ripe follicle and formation of corpus luteum.
2. LH stimulates estrogen and progesterone synthesis by corpus luteum. |
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What is another name for GH?
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somatotropic hormone (STH)
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What is the major action of LH on the testis?
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LH stimulates interstitial cells of Leydig to synthesize and secrete testosterone.
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What is another name for somatotropic hormone (STH)?
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GH
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What is the target of GH?
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Most tissues.
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What are the major actions (4) of GH on the body?
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1. GH promotes growth in stature and mass.
2. GH stimulates production of insulin-like growth factor (IGF-I). 3. GH stimulates protein synthesis. 4. GH usually inhibits glucose utilization and promotes fat utilization. |
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What is another name for GH?
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somatotropic hormone (STH)
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What is the target of prolactin?
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Mammary glands.
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What is another name for somatotropic hormone (STH)?
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GH
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What are the major actions (4) of GH on the body?
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1. GH promotes growth in stature and mass.
2. GH stimulates production of insulin-like growth factor (IGF-I). 3. GH stimulates protein synthesis. 4. GH usually inhibits glucose utilization and promotes fat utilization. |
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What is the target of prolactin?
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Mammary glands.
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What is the major action of prolactin on the mammary glands?
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Prolactin promotes milk secretion and mammary growth.
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What is adrenocorticotropic hormone (ACTH) also known as?
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Adrenocorticotropin or corticotropin
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What is the target for ACTH?
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Adrenal cortex
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What is the major action of ACTH on the adrenal cortex?
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ACTH promotes synthesis and secretion of adrenal cortical hormones.
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What is the target of beta-lipotropin?
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Adipose tissue
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What are the hypophysiotropic hormones (9)?
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1. Corticotropin releasing hormone (CRH)
2. Gonadotropin releasing hormone (GnRH) 3. Growth hormone-releasing hormone (GHRH) 4. Growth hormone releasing peptide (ghrelin) 5. Somatotropin release-inhibiting factor (SRIF) 6. Prolactin-stimulating factor 7. Prolactin inhibiting factor (PIF) 8. Thyrotropin-releasing hormone (TRH) 9. Arginine vasopressin (AVP) |
