Endocrine system Flashcards
what are the organs of the endocrine system?
*thyroid gland
*Thymus gland
*Adrenal gland
*Parathyroid gland
*pancreas
*pineal gland
*hypothalamus
*Pituitary gland
*Ovaries
*Testes
what is the pituitary gland also called?
hypophysis
where is the pituitary gland located?
inferior to the hypothalamus
connected by infudibulum
what are the two lobes of the pituitary gland?
the anterior and posterior lobe
what gland plays an important role in regulating the activity of other endocrine glands?
Pituitary gland
what is the posterior lobe of the pituitary gland also called?
neurohypophysis
what is the posterior lobe of the pituitary gland also composed of?
neurons that originate in the hypothalamus
what is the anterior lobe of the pituitary gland also called?
adenohypophysis
what is the anterior lobe of the pituitary gland also composed of?
glandular tissue
what is the anterior lobe regulated by?
Hypothalamus
what is the growth hormone target?
bones,muscles, & other tissues
what is the growth hormone action?
stimulate growth and divison
what is the Adrenocorticotrophic hormone (ACTH) target?
Adrenal cortex
what is the Adrenocorticotrophic hormone (ACTH) action?
stimulates release of adrenal cortex hormones
what is the Thyroid-stimulating hormone (TSH) target?
thyroid gland
what is the Thyroid-stimulating hormone (TSH) action?
stimulates the release of thyroid hormones
what is the follicle-stimulating hormone (FSH) action?
stimulates the development of ova and sperm
what is the follicle-stimulating hormone (FSH) target?
gonads
what is the Luteinizing hormone target?
gonads
what is the Luteinizing (LH) hormone action?
stimulates secretion of sex hormones
what is the prolactin (PRL) hormone target?
mammary glands
what is the prolactin hormone (PRL) action?
stimulates milk production
what is the target of melanocyte-stimulating hormone (MSH)
melanocytes
what is the action of melanocytes-stimulating hormone(MSH)
stimulates melanin production
what are the hormones of the anterior pituitary gland (adenohypophysis)
*growth hormone
*Adrenocorticotrophic hormone
*thyroid-stimulating
*follicle stimulating
*luteinizing hormone
*Prolactin
*Melanocyte-stimulating
what is the hormone of the posterior pituitary gland (neurohypophysis)
*antidiuretic
*oxytocin
what is the antidiuretic hormone target?
renal tubules
what is the antidiuretic hormone action?
stimulate water reabsorption
what is the target of oxytocin?
uterus and mammary glands
what is the action of oxytocin?
stimulates uterine contractions during labor and delivery and release of milk
where is the thyroid gland located?
anterior neck
what is stored in the colloid before being released into the bloodstream?
thyroxine and triiodothyronnie
what secretes calcitonin?
parafollicular cells
what is secreted by follicle cells?
Thyroxine (T4) and Triiodothyronine (T3)