Endocrine System Part 2 Flashcards

1
Q

What are the two parts of the pituitary gland?

A

Adenohypophysis and neurohypophysis

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2
Q

What is the adenohypophysis?

A

Part of the pituitary gland that has a structure of an endocrine gland

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3
Q

What is nerohypophysis

A

Part of the pituitary gland that has structure of nervous tissue

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4
Q

Where is the pituitary gland found?

A

The pituitary gland lies buried deep in the cranial cavity, in the small depression of the sphenoid bone, the sella turcica

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5
Q

What part of the brain is the pituitary gland attached to?

A

Hypothalamus

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6
Q

Adenohypophysis is also known as the

A

Anterior pituitary gland

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7
Q

Neurohypophysis is also know as the

A

Posterior pituitary gland

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8
Q

How big is the pituitary gland?

A

Pea sized

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9
Q

Anterior pituitary gland hormones

A
Thyroid stimulating hormone (TSH)
Antinocorticotropic Hormone (ACTH)
Follicle-Stimulating Hormone (FSH) 
Luteinizing hormone (LH)
Growth Hormone (GH)
Prolactin (PRL)
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10
Q

Posterior Pituitary Gland Hormones

A
Antidiuretic Hormone (ADH)
Oxytocin (OT)
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11
Q

Hypothalamus hormone production

A

ADH
Oxytocin
Releasing Hormones (RHs)
Inhibiting Hormones (IHs)

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12
Q

Where is the Thyroid gland located?

A

In the neck just below the larynx

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13
Q

Hormones released by the thyroid gland

A

Thyroxine (T4)
Triiodothyronine (T3)
Calcitonin (CT)

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14
Q

What is hypercalcemia

A

Harmful excess of calcium in the blood

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15
Q

Parathyroid Gland location

A

Usually four located on the back of the thyroid gland

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16
Q

Parathyroid hormones

A

Parathyroid hormone (PTH)

17
Q

What does parathyroid hormone (PTH) do?

A

Increases the concentration of calcium in the blood

Stimulates osteoclasts

18
Q

What happens with too much calcium?

A

Person becomes mentally disturbed and heart may stop

19
Q

What happens with too little blood calcium

A

Nerve cells become overactive

20
Q

Thyroxine (T4)

A
T4 Contains 4 iodine atoms
T3 contains 3 iodine atoms
T3 is the principle thyroid hormone 
Influence all the cells in the body
Make cells speed up their release of energy from foods
21
Q

What is different about thyroid glands

A

Stores considerable amount of thyroid hormones in the form of the colloid compound

22
Q

Calcitonin

A

Decreases the amount of calcium in the blood

23
Q

Releasing hormones (RHs) and Inhibiting hormones (IHs)

A

Produced in the hypothalamus and travel to the anterior pituitary gland where they cause the release of anti pituitary hormones

24
Q

Diabetes insipidus

A

A condition in which large volumes of urine are formed

25
Antidiuretic hormone (ADH)
Accelerates the reabsorption of water from urine of water from urine in kidney tubules back into the blood.
26
Oxytocin in the posterior pituitary gland
Secreted by a woman's body before and after she has a baby Stimulates contractions of the smooth muscles of the uterus Believed to initiate and maintain labor
27
Prolactin (PRL)
In women, stimulates breast development for lactation and stimulates breast secretion
28
Hyperglycemia
Higher than normal blood glucose concentration
29
Hypoglycemia
Lower than normal blood glucose concentration
30
Growth Hormone (GH)
Speed up the movement of digested proteins out of the blood and into the cells and this accelerates cells anabolisms
31
Anabolism
Build up
32
Tropic hormones
Stimulates other endocrine glands
33
Which tropic hormone stimulates the secretion of thyroid hormones,
Thyroid stimulating hormone (TSH)
34
Which tropic hormone stimulates secretion of of adrenal cortex hormones
Adrenocorticotropic hormone (ACTH)
35
Which tropic hormone stimulates development of ovarian follicles and secretion of estrogens?
Follicle Stimulating hormone (FSH)
36
Which tropic hormone stimulates interstitial cells of the testes to secrete testosterone
Luteinizing Hormone (LH)
37
Which tropic hormone stimulates seminiferous tubules of the testes to grow and produce sperm?
Follicle Stimulating Hormone
38
Which tropic hormone stimulates the maturation of ovarian follicles and ovum; stimulates secretion of estrogen, triggers ovulation; stimulates development of corpus luteum in females
luteinizing Hormone (LH)