Lab Endocrine System Flashcards
10 major Endocrine glands
- hypothalamus
- pituitary gland
- pineal gland
- thyroid
- parathyroid gland
- thymus
- adrenal gland
- pancreas
- ovaries
- testes
Name the hormone in the Pineal gland
melatonin
Melatonin: Name target site AND effect
TS: inhibits hormones in the hypothalamus
E: regulates circadian rhythm
Anterior Pituitary is also known as:
Adenohypophysis
The Anterior Pituitary Gland releases 7 hormones. Name them.
- Growth Hormone (GH)
- Thyroid Stimulating Hormone (TSH)
- Prolactin (PRL)
- Follicle Stimulating Hormone (FSH)
- Luteinizing Hormone (LH)
- Adrenocorticotropin (ACTH)
- Melanocyte Stimulating Hormone (MSH)
Anterior Pituitary Growth Hormone (GH): Name target site AND effect
TS: tissues and most cells
E: growth
Anterior Pituitary
Thyroid Stimulating Hormone (TSH):
Name target site AND effect
TS: thyroid
E: produce thyroid hormones
Anterior Pituitary
Prolactin (PRL):
Name target site AND effect
TS: mammory glands
E: begins production of milk
Anterior Pituitary
Follicle Stimulating Hormone (FSH):
Name target site AND effect
TS: gonads, sex cells
E: production of sex cells: ovaries to develop eggs, testes to develop spermatoza
Anterior Pituitary
Luteinizing Hormone (LH):
Name target site AND effect
TS: ovaries and testes
E: produce progesterone and testosterone
Anterior Pituitary
Adrenocorticotropin (ACTH):
Name target site AND effect
TS: adrenal cortex
E: hormone production
Anterior Pituitary
Melanocyte Stimulating Hormone (MSH):
Name target site AND effect
TS: skin and hair
E: produce melanin and increases production during pregnancy
Posterior Pituitary is also called what?
Neurohypophysis
The Posterior Pituitary releases 2 hormones. Name them.
- Antidiuretic Hormone (ADH)
2. Oxytocin (OT)
Posterior Pituitary
Antidiuretic Hormone (ADH):
Name target site AND effect
TS: kidneys
E: reabsorption and retention of water
Posterior Pituitary
Oxytocin (OT):
Name target site AND effect
TS: mammory glands
E: release of milk; contracts uterus
Thyroid releases 3 hormones. Name them
- triiodonthyronine (T3)
- thyroxine (T4)
- calcitonin (CT)
Thyroid
triiodothyronine (T3)
Name target site AND effect
TS: most cells of the body
E: increase metabolic rates
Thyroid
thyroxine (T4):
Name target site and effect
TS: most cells of the body
E: increase metabolic rates
Thyroid
calcitonin (CT):
Name target site AND effect
TS: bones
E: decrease osteoclast activity
Parathyroid releases what hormone?
Parathyroid Hormone (PTH)
Parathyroid Hormone (PTH): Name target site AND effect
TS: bone, kidney, small intestine
E: increase in calcium absorption
Thymus releases what hormone?
Thymosin
Thymosin:
Name target site AND effect
TS: T cells - - > lymph nodes and spleen
E: provide immunity against antigens
Pancreas releases what 2 hormones?
- beta cell: Insulin IN
2. alpha cell: GLUC
The hormones within the pancreas are contained in what structure?
Islets of Langerhans
Pancreas
Insulin (IN):
Name target site AND effect
TS: liver, skeletal muscle, adipose tissue
E: increase uptake and use of glucose and amino acids
Pancreas
GLUC (alpha cell):
Name target site AND effect
TS: liver
E: release of glucose into circulation
Name the 2 parts to the adrenal gland.
Adrenal Cortex AND Adrenal Medulla
Name the 2 hormones of the adrenal cortex.
- Aldosterone (ALD)
2. Cortisol (CORT)
Adrenal Cortex
Aldosterone (ALD)
Name target site AND effect
TS: kidney
E: enhanced water absorption
Adrenal Cortex
Cortisol (CORT)
Name target site AND effect
TS: most tissue
E: increase protein and lipid breakdown, inhibits immune response and decreased inflammation
Name the 2 hormones of the adrenal medulla.
- Epinephrine (EP)
2. Norepinephrine (NE)
Adrenal Medulla
Epinephrine (EP) and Norepinephrine (NE):
Name target site AND effect
TS: heart, blood vessels, liver, adipose tissue
E: prepare for physical activity (increase heart pumping, increase blood flow, etc).
Name 3 hormones of the ovaries
- estrogen
- progesterone
- relaxin
Ovary
Estrogen AND Progesterone:
Name target site AND effect
TS: most cells
E: uterine/mammory development, development of genitalia and secondary sex characteristics
Ovary
Relaxin:
Name target site AND effect
TS: connective tissue
E: increases flexibility in pelvic area, especially pubis symphysis
Name the hormone in the Testes.
Testosterone
Testes
Testosterone:
Name target site AND effect
TS: most cells
E: sperm, development of genitalia, maintains sex organs
Name the hormone in the kidney.
Erthropoietin (EPO)
Kidney
Erthropoietin:
Name target site AND effect
TS: bone marrow
E: red blood cell production