Exam 6 Flashcards Preview

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Flashcards in Exam 6 Deck (12):
1

Organs of the Endocrine System

Pineal gland
Hypothalamus
Pituitary gland
Thyroid and parathyroid glands
Thalmus
Adrenal glands
Pancreas
Ovaries/testes

2

Pineal Gland

Produces melatonin

Regulates our sleep cycles

Too much can affect our secondary sex characteristics

3

Hypothalamus

Produces and releases corticotropin releasing hormone, thyrotropin releasing hormone, growth hormone releasing hormone, gonadotropin releasing hormone, prolactin releasing factor, somatostatin, and prolactin inhibiting factor

Releases hormones that stimulate the release of other hormones from the pituitary

4

Anterior Pituitary

Growth hormone (dwarfism, acromegaly, gigantism)

Thyroid stimulating hormone

Adrenocorticotropic hormone

Follicle stimulating hormone

Lutenizing hormone

Melanocyte stimulating hormone

Prolactin

5

Posterior Pituitary

Antidiuretic hormone (increase is SIADHH, decrease is DI), oxytocin

6

Thyroid

T3 and T4, calcitonin

Regulates metabolism, decreases serum calcium and phosphorus levels

Iodine is necessary for proper thyroid function

7

Parathyroid

Parathyroid hormone increases serum calcium and phosphorus

8

Thymus

Produces thymosin

Helps to train our immune system at a young age so it can recognize self from non-self

Can contribute to myasthenia gravis

9

Adrenal Medulla

Produces epinephrine and norepinephrine

Pheochromocytoma is a tumor in the adrenal medulla, typically benign, that stimulates the continuous release of epinephrine and norepinephrine

10

Adrenal Cortex

Produces corticosteroids (cortisol), androgens, and mineralcorticoids (aldosterone)

Too much cortisol creates Cushing's syndrome

Too little cortisol creates Addison's disease

11

Ovary

Creates estrogen and progesterone

Aids in the development of women's secondary sex characteristics, helps prepare uterus for implantation of the egg, and aids in fetal development

PCOS is an endocrine related disorder

12

Testes

Creates testosterone

Helps males to develop their secondary sex characteristics

Erectile dysfunction and infertility