Endocrine System Flashcards

Organs and tissues and the hormones they produce

1
Q

What is the second major control system of the body

A

Endocrine system

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2
Q

What is the difference between the endocrine system and nervous system?

A

Endocrine system uses chemical impulses, hormones

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3
Q

arouses the body tissue and cells by stimulating changes in their metabolic activity. This includes growth, development, and physiological homeostasis

A

Hormones

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4
Q

can be steriods or amino acid based molecules

A

hormones

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5
Q

How does a hormone travel?

A

Through the blood

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6
Q

Cells within an organ that respond to a certain hormone

A

Target cells

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7
Q

Two functional lobes of the pituitary

A

adenohypophysis and neurohypophysis

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8
Q

anterior pituitary

A

adenohypophysis

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9
Q

stalk attaching the pituitary to the hypothalamus

A

neurohypophhysis

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10
Q

Which part of the pituitary secretes the 4 tropic hormones?

A

Anterior pituitary

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11
Q

Hormones that have other endocrine glands as their target

A

Tropic hormones

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12
Q

Is the posterior pituitary an endocrine gland?

A

No

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13
Q

Why is the posterior pituitary not considered an endocrine gland?

A
  1. It does not synthesize the hormones it releases. 2. it acts as a storage area for two neurohormones transpported to it
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14
Q

What are the tropic hormones of the pituitary gland?

A
  1. Thyroid stimulating hormone (tsh). 2. follicle stimulating hormone ( FSH). 3. Luetenizing hormone (LH) 4. Adrenocorticotropic hormone (ACTH)
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15
Q

TSH target gland

A

Thyroid gland

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16
Q

TSH effects

A

Stimulation of thyroid hormones

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17
Q

Target of follicle stimulating hormone

A

Ovaries and testes

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18
Q

Effects of FSH

A

Ovaries- stimulates ovarian follicle maturation and estrogen production. Testes- Stimulates sperm production

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19
Q

Target cell of LH

A

Ovaries and testes

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20
Q

Effects of LH

A

Stimulates ovulation and triggers ovarian production of estrogen and progesterone. Males- Stimulates testosterone production

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21
Q

Target of ACTH

A

Adreneal cortex

22
Q

Effects of ACTH

A

Stimulates the release of glucocorticoids and androgens

23
Q

Non tropic hormones of the anterior pituitary gland

A

Growth hormone (GH) and Prolactin (PRL)

24
Q

Target organs of growth hormone

A

liver, muscle bone, and cartilage

25
Q

Effects of growth hormone

A

Stimulates body growth and protein synthesis. mobilizes fat and conserves glucose.

26
Q

Target organs of prolactin

A

Mammary glands of breast

27
Q

Effects of prolactin

A

Stimulates milk production

28
Q

Hormones stored by posterior pituitary gland

A

oxcytocin and antidiarectic hormone

29
Q

Target of antidiretic hormone

A

kidney

30
Q

Target of ocytocin

A

Uterus, mammary glands

31
Q

What is the small cone shaped gland located in the third ventricle of the brain?

A

pineal gland

32
Q

What is the major endocrine product of the pineal gland?

A

Melatonin

33
Q

composed of two lobes joined by a central mass, or isthmus located in the throat, just inferior the larynx

A

Thyroid gland

34
Q

found embedded in the posterior surface of the thyroid gland typically, two small oval glands on each lobe, but there may be more located in other regions of the neck

A

parathyroid glands

35
Q

Hormone of the thyroid gland

A

thyroxine and tridothyronine often reffered to as TH. Calcitonin

36
Q

Effects of thyroid hormone

A

increase BMR, regulates tissue growth and development

37
Q

Target of TH

A

Most cells of the body

38
Q

Target of calcitonin

A

Bones

39
Q

parathyroid gland hormone

A

Parathyroid hormone (PTH)

40
Q

Target of parathyroid hormone

A

bones and kidneys

41
Q

Where are the adrenal glands located

A

Above the kidney

42
Q

develops from neural crest tissue and is directly controlled by the sympathetic nervous system

A

adrenal medulla

43
Q

how do medullary cells respond to stimulation? What hormones do they release?

A

The release epinephrin(80%) and norepinephrin (20%)

44
Q

located behind the stomach, close to the small intestine?

A

The pancreas .

45
Q

Produces digestive enzymes as well as insulin and glucagon, important hormones concerned with the regulation of blood sugar levels

A

Pancreas

46
Q

When do the gonads have both exocrine and endocrine functions?

A

After puberty

47
Q

What are the pancreas hormones?

A

Glucagon and insulin

48
Q

What is the major endocrine product of the pineal gland

A

melatonin

49
Q

Produces several different families of peptide hormones

A

Thymus

50
Q

Peptide hormones produced by the thymus

A

thymulin thymosins thymopoietins