| Question | Answer |
| GROWTH HORMONE RH | SECRETED BY: HYPOTHALAMUS.
TARGET: ANTERIOR PITUITARY.
ACTION: RELEASE GROWTH HORMONE |
| GONADOTROPIN RH | SECRETED BY: HYPOTHALAMUS.
TARGET: ANTERIOR PITUITARY.
ACTION: RELEASE LUTEINIZING HORMONE (LH)
RELEASE FOLICLE STIMULATING HORMONE (FSH) |
| CORTICOTROPIN RH | SECRETED BY: HYPOTHALAMUS.
TARGET: ANTERIOR PITUITARY.
ACTION: RELEASE ADRENOCORTICOTROPIC HORMONE (ACTH) |
| THYROTOPIN RH | SECRETED BY: HYPOTHALAMUS.
TARGET: ANTERIOR PITUITARY.
ACTION: RELEASE THYROID STIMULATING HORMONE (TSH) |
| DOPAMINE | PRODUCED IN : VARIOUS AREAS OF THE BRAIN.
TARGET: ANTERIOR PITUITARY.
ACTION: RELEASE PROLACTIN |
| ANTIDIURETIC HORMONE (ADH) | SECRETED BY: HYPOTHALAMUS.
TARGET: POSTERIOR PITUITARY.
ACTION: INFLUENCE KIDNEYS TO REABSORB WATER
âSTORED IN THE POSTERIOR PITUITARY UNTIL NEEDED |
| OXYTOCIN | SECRETED BY: HYPOTHALAMUS.
TARGET: POSTERIOR PITUITARY.
ACTION: STIMULATE UTERINE CONTRACTIONS
& SOCIAL BONDING.
STORED IN THE POSTERIOR PITUITARY UNTIL IT IS NEEDED.
NOTE: EXAMPLE OF POSITIVE FEED BACK LOOP |
| GROWTH HORMONE GH | SECRETED BY: ANTERIOR PITUITARY.
TARGET: NEARLY ALL BODY CELLS.
ACTION: STIMULATE GROWTH
& CELL REGENERATION |
| THYROID-STIMULATING HORMONE | SECRETED BY: ANTERIOR PITUITARY.
TARGET: THYROID GLAND.
ACTION: STIMULATE RELEASE OF TRIIODOTHYRONINE (T3) & THYROXINE (T4) |
| ADRENOCORTICOTROPIC HORMONE (ACTH) | SECRETED BY: ANTERIOR PITUITARY.
TARGET: ADRENAL GLAND.
ACTION: STIMULATE HORMONE RELEASE BY ADRENAL CORTEX |
| FOLLICLE STIMULATING HORMONE (FSH) | SECRETED BY: ANTERIOR PITUITARY.
TARGET: GONADS.
ACTION: STIMULATES GAMETE PRODUCTION.
TESTES: PRODUCE SPERM.
OVARIES: MATURES EGGS |
| LUTEINIZING HORMONE (LH) | SECRETED BY: ANTERIOR PITUITARY.
TARGET: GONADS.
ACTION: STIMULATES ANDROGEN PRODUCTION.
TESTES: TESTOSTERONE.
OVARIES: ESTROGEN, PROGESTERONE & TRIGGERS OVULATION |
| PROLACTIN (PRL) | SECRETED BY: ANTERIOR PITUITARY.
TARGET: MAMMARY GLANDS.
ACTION: PROMOTE MILK PRODUCTION |
| MELATONIN | SECRETED BY: PINEAL GLAND.
TARGET: NA
ACTION: REGULATES SLEEP/WAKE CYCLE |
| TRIIODOTHYRONINE (T3) and
THYROXING (T4) | SECRETED BY: THYROID GLAND.
TARGET: ALL CELLS IN THE BODY.
ACTION: INCREASE METABOLISM
THYROID HORMONE NEEDS IODINE TO BE FUNCTIONAL AND TO BE RECOGNIZED BY BODY CELLS |
| CALCITONIN | SECRETED BY: THYROID GLAND.
TARGET: BLOOD AND BODY CELLS.
ACTION: REGULATE BLOOD CALCIUM LEVELS, BY DECREASING OSTEOCLAST ACTIVITY & STIMULATING CALCIUM INTO BONE TISSUE MATRIX |
| PARATHYROID HORMONE (PTH) | SECRETED BY: PARATHYROID GLAND.
TARGET: KIDNEYS, BONES, INTESTINES.
ACTION: REGULATE BLOOD CALCIUM LEVELS INCREASE OSTEOCLAST ACTIVITY, INCREASE REABSORBTION OF CALCIUM IN KIDNEYS & INCREASE PRODUCTION OF VITAMIN D = INCREASE CALCIUM IN INTESTINE |
| INSULIN | SECRETED BY: PANCREAS.
TARGET: MUSCLE CELLS.
ACTION: LOWER BLOOD GLUCOSE LEVELS |
| GLUCAGON | SECRETED BY: PANCREAS.
TARGET: LIVER.
ACTION: RAISE BLOOD GLUCOSE LEVELS |
| MINERALOCORTICOIDS | SECRETED BY: ADRENAL CORTEX.
(ZONA GLOMERULOSE)
TARGET: NA
ACTION: REGULATING ELECTROLYTES.
example Aldosterone.
target: kidneys. action: increase BV & BP |
| GLUCOCORTICOIDS | SECRETED BY: ADRENAL CORTEX.
( ZONA FASCICULATE)
TARGET: NA
ACTION: INFLUENCE METABOLISM OF ENERGY.
example : Cortisol.
target: body cells. action: formation of glucose |
| CATECHOLAMINES | SECRETED BY: ADRENAL MEDULA.
TARGET: HEART, SMOOTH MUSCLE, GLANDS.
ACTION: FIGHT OR FLIGHT
example: epinephrine/ adrenaline and
norepinephrine/ noradrenaline |
| TESTOSTERONE | SECRETED BY: PRIMARILY TESTES.
TARGET: SEX ORGANS.
ACTION: STIMULATES DEVELOPMENT OF SECONDARY CHARACTERISTICS AND SPERM PRODUCTION |
| ESTROGEN &
PROGESTERONE | SECRETED BY: PRIMARILY OVARIES.
TARGET: SEX ORGANS.
ACTION: STIMULATES DEVELOPMENT OF FEMALE SECONDARY CHARACTERISTICS AND PREPARATION FOR CHILDBIRTH |
