A&P CHAPTER 16: ENDOCRINE SYSTEM Flashcards
DOES THE ENDOCRINE SYSTEM WORK SLOWER OF FASTER THAN NERVOUS SYSTEM?
SLOWER
WHAT DOES THE ENDOCRINE SYSTEM SECRETE
HORMONES
PARACRINE VS AUTOCRINE SECRETIONS
PARACRINE: AFFECT ONLY NEIGHBORING CELLS
AUTOCRINE: AFFECT THE SECRETING CELL ONLY
HORMONES
CHEMICAL MESSENGERS THAT DIFFUSE FROM BLOODSTREAM TO ACT ON TARGET CELLS AND REGULATE THEIR METABOLIC FUNCTIONS
STEROID HORMONES DERIVE FROM
CHOLESTEROL
EX. TESTOSTERONE, CORTISOL
AMINES HORMONES DERIVE FROM
AMINO ACIDS
EX. EPI, NOREPI
GLYCOPROTEIN HORMONES DERIVE FROM
CARBS AND PROTEINS
EX: TSH
PEPTIDE HORMONES DERIVE FROM
AMINO ACIDS
EX: OXYTOCIN
PROTEIN HORMONES DERIVE FROM
AMINO ACIDS
EX: GH, PTH
FIRST MESSENGER
HORMONE THAT TRIGGERS ENTERING OF TARGET CELL BY HORMONE
LEUKOTRIENES
RELEASE SIGNALS THAT REGULATE INFLAMMATION AND ALLERGIC REACTIONS
SECOND MESSENGERS
BIOCHEMICALS IN CELL THAT CAUSE CHANGES IN RESPONSE TO THE HORMONES BINDING
MAIN HORMONE THAT STIMULATES CELLULAR METABOLISM
THYROXINE
WHAT MECHANISM CONTROLS HORMONE SECRETION
NEGATIVE FEEDBACK
HUMORAL STIMULI
CHANGING BLOOD LEVELS OF CERTAIN IONS AND NUTRIENTS TRIGGERS ENDOCRINE GLAND ACTIONS
NEURAL STIMULI
ENDOCRINE GLAND STARTS ACTION FROM NERVE FIBER STIMULATION
HORMONAL STIMULI
HORMONE RELEASES DUE TO THE PRODUCTION OF OTHER HORMONES
PERMISSIVENESS HORMONE INTERACTION
ONE HORMONE CANNOT EXERT ITS FULL EFFECTS WITHOUT THE PRESENCE OF ANOTHER HORMONE
SYNERGISM HORMONE INTERACTION
ONE HORMONE PRODUCES THE SAME EFFECT AS ANOTHER HORMONE ON THE TARGET CELL, AMPLIFYING THEIR EFFECTS
ANTAGONSIM HORMONE REACTION
ONE HORMONE OPPOSES ANOTHER HORMONE’S ACTIONS
WHAT DOES THE PITUITARY GLAND DO
MANUFACTURES AND RELEASES A VARIETY OF HORMONES
WHAT DOES THE HYPOTHALAMUS DO FOR THE PITUITARY GLAND
SENDS RELEASING AND INHIBITING HORMONES/STIMULUS TO THE PITUITARY AND REGULATE ITS HORMONE SECRETIONS
WHICH ONE IS THE “MASTER ENDOCRINE GLAND”
ANTERIOR PITUITARY GLAND
WHAT HORMONES REGULATE THE SECRETORY ACTIONS OF OTHER ENDOCRINE GLANDS
TROPINS
GH HORMONE
GROWTH HORMONE RELEASING/INHIBITING
INCREASES SIZE AND DIVISION RATE OF BODY CELLS
GOES TO BONE/TISSUES
PRL HORMONE
PROLACTIN RELEASING
SUSTAINS MILK PRODUCTION AFTER BIRTH
GOES TO MAMMARY GLANDS
TSH HORMONE
THYROID RELEASING
CONTROLS THYROID GLAND HORMONE SECRETION
GOES TO THYROID
ACTH HORMONE
CORTICOTROPIN RELEASING
CONTROLS ADRENAL CORTEX HORMONE SECRETION
GOES TO ADRENAL CORTEX
FSH HORMONE
GONADOTROPIN RELEASING
ESTROGEN/EGG FOLLICLES AND SPERM CELLS
GOES TO OVARIES/TESTES
LH HORMONE
GROWTH HORMONE
PROMOTES SEX HORMONE SECRETION
GOES TO OVARIES/TESTES
ADH
ANTIDIURETIC HORMONE
CONSERVATION OF WATER IN KIDNEYS
INCREASES BP
GOES TO KIDNEYS
“HUNGER HORMONE” AND WHAT IT STIMULATES THE RELEASE OF
GHRELIN
RELEASE OF GROWTH HORMONE
THYROXINE
WHAT DOES THE ADRENAL CORTEX SYNTHESIZE
CORTICOSTEROIDS
MINERALOCORTICOIDS
REGULATION OF ELECTROLYTE CONCENTRATIONS IN EXTRACELLULAR FLUIDS (POTASSIUM AND SODIUM)
FROM ADRENAL CORTEX
ADLOSTERONE
HELPS REGULATE EXTRACELLULAR ELECTROLYTE CONCENTRATIONS
FROM ADRENAL CORTEX
CORTISOL
DECREASES PROTEIN SYNTHESIS, ICREASES FATTY ACID RELEASE, STIMULATES GLUCOSE SYNTHESIS FROM NONCARBS
FROM HYPOTHALAMUS AND PITUITARY
ADRENAL ANDROGENS
INNER ZONE OF ADRENAL CORTEX
SUPPLEMENT SEX HORMONES
GLUCOCORTICOIDS
WHAT DOES THE ADRENAL MEDULLA SECRETE
EPINEPHRINE AND NOREPINEPHRINE
EFFECTS OF EPI AND NOREPI ON HEART
INCREASES RATE AND FORCE OF CONTRACTION
EFFECTS OF EPI AND NOREPI ON BLOOD VESSELS
EPI: DILATES SKELETAL MUSCLE VESSELS
NOREPI: CONSTRICTS BLOOD VESSELS IN SKIN/VISCERA
EFFECTS OF EPI AND NOREPI ON BP
EPI: SLIGHTLY INCREASES
NOREPI: INCREASES GREATLY
EFFECTS OF EPI AND NOREPI ON AIRWAYS
EPI: DILATES
NOREPI: DILATES SLIGHTLY
EFFECTS OF EPI AND NOREPI ON BRAIN FORMATION
EPI: ACTIVATES
NOREPI: LITTLE EFFECT
EFFECTS OF EPI AND NOREPI ON LIVER
EPI: INCREASES BGL
NOREPI: LITTLE EFFECT
EFFECTS OF EPI AND NOREPI ON METABOLIC RATE
INCREASES
WHAT DOES THE PINEAL GLAND SECRETE
MELATONIN
THYMUS RELEASES WHAT HORMONES
“THY’S”
THYMULIN, THYMOPOIETINS, THYMOSINS
REPRODUCTIVE ORGANS RELEASE WHAT HORMONES
ESTROGENS AND TESTOSTERONE
GI TRACT RELEASE WHAT HORMONES
GASTRIN AND GHRELIN
HEART RELEASES WHAT HORMONES
ATRIAL PEPTIDE: REDUCES BP AND VOLUME, DECREASES SODIUM IN EXTRACELLULAR FLUID
ISLETS OF LANGERHANS
IN PANCREAS
ALPHA CELLS: SECRETE GLUCAGON
BETAL CELLS: SECRETE INSULIN
KIDNEYS RELEASE WHAT HORMONES
ERYTHROPOIETIN: CAUSES BONE MARROW TO INCREASE PROTEIN PRODUCTION
ADIPOSE TISSUE RELEASE WHAT HORMONES
LEPTIN: INFORMS BODY HOW MUCH STORED FAT IS PRESENT
RESISTIN: INSULIN ANTAGONIST
ADIPONECTIN: ENAHNCES SENSITIVITY TO INSULIN
SKELETON RELEASES WHAT HORMONE
OSTEOCALCIN: SECRETES MORE INSULIN AND REDUCES BODY FAT BY IMPROVING HANDLING OF GLUCOSE
SKIN RELEASES WHAT HORMONE
CHOLECALCIFEROL: INACTIVE FORM OF VITAMIN D
WHAT CONTROLS THE STRESS RESPONSE
HYPOTHALAMUS