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Hormone Effects
Hormones and what they do
77
Medical
Undergraduate 2
05/31/2015

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Term
Follicle stimulating hormone (FSH)
Definition
Stimulates development of ovarian follicles
Term
Follicle stimulating hormone (FSH)
Definition
Regulates spermatogenesis in the testis
Term
Leutenising hormone (LH)
Definition
Causes ovulation and formation of the corpus luteum in the ovary
Term
Leutenising hormone (LH)
Definition
Stimulates production of estrogen and progesterone by the ovary
Term
Leutenising hormone (LH)
Definition
Stimulates testosterone production by the testis
Term
Adrenocorticotropic hormone (ACTH)
Definition
Stimulates production of glucocorticoids and androgens by the adrenal cortex
Term
Adrenocorticotropic hormone (ACTH)
Definition
Maintains size of zona fasciculata and zona reticularis of cortex
Term
Thyroid stimulating hormone (TSH)
Definition
Stimulates production of thyroid hormones by thyroid follicular cells
Term
Thyroid stimulating hormone (TSH)
Definition
Maintains size of follicular cells
Term
Growth hormone (GH)
Definition
Increase protein synthesis
Term
Growth hormone (GH)
Definition
Increased metabolism of fatty acids from adipose tissue
Term
Growth hormone (GH)
Definition
Decrease rate of glucose utilisation
Term
Growth hormone (GH)
Definition
Stimulates cartilage and bone growth
Term
Growth hormone (GH)
Definition
Stimulates production of IGF (somatomedins)
Term
Growth hormone (GH)
Definition
Actions differ during fasting and full
Term
Prolactin
Definition
Stimulates milk secretion and production
Term
Antidiuretic hormone (ADH) / Vasopressin
Definition
Puts ready formed aquaporins in walls of collecting duct
Term
Antidiuretic hormone (ADH) / Vasopressin
Definition
Can induce ACTH secretion
Term
Oxytocin
Definition
Smooth muscle contraction during suckling
Term
Oxytocin
Definition
Contraction of pregnant uterus
Term
Oxytocin
Definition
Responsible for the let down reflex
Term
T4 (thyroxine) and T3 (triiodothyronine)
Definition
Increase O2 usage
Term
T4 (thyroxine) and T3 (triiodothyronine)
Definition
Increase CO2 output
Term
T4 (thyroxine) and T3 (triiodothyronine)
Definition
Increase gut motility
Term
T4 (thyroxine) and T3 (triiodothyronine)
Definition
Increase gluconeogenesis
Term
T4 (thyroxine) and T3 (triiodothyronine)
Definition
Increase glycogenolysis
Term
T4 (thyroxine) and T3 (triiodothyronine)
Definition
Increase heart rate and strength
Term
T4 (thyroxine) and T3 (triiodothyronine)
Definition
Increase mitochidria
Term
T4 (thyroxine) and T3 (triiodothyronine)
Definition
Increase number of Na+/K+/ATPase channels
Term
T4 (thyroxine) and T3 (triiodothyronine)
Definition
Increase glucose absorption
Term
T4 (thyroxine) and T3 (triiodothyronine)
Definition
Increase lypolysis
Term
T4 (thyroxine) and T3 (triiodothyronine)
Definition
Increase protein synthesis
Term
T4 (thyroxine) and T3 (triiodothyronine)
Definition
Increase BMR (basal metabolic rate)
Term
T4 (thyroxine) and T3 (triiodothyronine)
Definition
Excitatory effects on the CNS
Term
Aldosterone (mineralocorticoid)
Definition
Increase Na+ (and thus H2O) reabsorption in the principal cells of the collecting duct
Term
Aldosterone (mineralocorticoid)
Definition
Increase K+ excretion
Term
Cortisol (glucocorticoids)
Definition
Anti-inflammatory
Term
Cortisol (glucocorticoids)
Definition
Increase gluconeogenesis
Term
Cortisol (glucocorticoids)
Definition
Increase lypolysis
Term
Cortisol (glucocorticoids)
Definition
Increase protein catabolism
Term
Cortisol (glucocorticoids)
Definition
Increase liver and plasma proteins
Term
Cortisol (glucocorticoids)
Definition
Decrease osteoblast function
Term
Cortisol (glucocorticoids)
Definition
Decrease glucose utilisation (increase blood glucose)
Term
Cortisol (glucocorticoids)
Definition
Decrease cellular protein
Term
Cortisol (glucocorticoids)
Definition
Cellular differentiation in the foetus
Term
Cortisol (glucocorticoids)
Definition
Inhibit growth
Term
Cortisol (glucocorticoids)
Definition
Affinity for mineralocorticoid receptors at high levels
Term
Renin
Definition
Converts angiotensinogen to angiotensin I
Term
Angiotensinogen
Definition
Cleaved by renin to make angiotensin I
Term
Angiotensin I
Definition
Biologically inactive
Term
Angiotensin I
Definition
Merely there to be converted to angiotensin II
Term
Angiotensin II
Definition
Vasoconstrictor
Term
Angiotensin II
Definition
Activates Na+ reabsorption
Term
Angiotensin II
Definition
Stimulates ADH/vasopressin release
Term
Angiotensin II
Definition
Stimulates aldosterone producton
Term
Angiotensin converting enzyme (ACE)
Definition
Converts angiotensin I to angiotensin II
Term
Angiotensin converting enzyme (ACE)
Definition
Degrades bradykinin (a potent vasodilator)
Term
Atrial natriuretic peptide (ANP)
Definition
Acts directly on collecting ducts to inhibit Na+ reabsorption
Term
Atrial natriuretic peptide (ANP)
Definition
Inhibits secretions of renin and aldosterone (thus inhibiting Na+ reabsorption)
Term
Atrial natriuretic peptide (ANP)
Definition
Causes vasodilation of afferent arteriole, increasing GFR and thus increasing the filtered load of Na+
Term
Parathyroid hormone
Definition
Increases calcium reabsorption in the kidney
Term
Parathyroid hormone
Definition
Increases phosphate metabolism
Term
Parathyroid hormone
Definition
Increases production of 1α-hydroxylase (necessary for synthesis of Vitamin D)
Term
Parathyroid hormone
Definition
Increases calcium reabsorption from bone by increasing osteoclast and osteocyte activity
Term
Parathyroid hormone
Definition
Indirect action increases absorption of dietary calcium via production of vit D
Term
Parathyroid hormone
Definition
Increase serum concentration of calcium
Term
Parathyroid hormone
Definition
Decrease serum concentration of phosphate
Term
Vitamin D
Definition
Increase absorption of calcium and phosphate from the small intestine
Term
Vitamin D
Definition
Stimulates activity and proliferation of osteoblasts and osteoclast differentiation
Term
Vitamin D
Definition
Increases calcium and phosphate reabsorption
Term
Calcitonin
Definition
Inhibits bone resorption
Term
Calcitonin
Definition
Increases urinary calcium and phosphate secretion
Term
Calcitonin
Definition
Decreases reabsorption of calcium in the kidney
Term
Calcitonin
Definition
Decreases plasma calcium concentration
Term
Calcitonin
Definition
Decrease plasma phosphate concentration
Term
Vitamin D
Definition
Increase plasma calcium concentration
Term
Vitamin D
Definition
Increase plasma phosphate concentration
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