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Cap 18 Parte Iii
Cap 18 Parte Iii
Cap 18 Parte Iii
Cap 18 Parte Iii
Cap 18 Parte Iii
Cap 18 Parte Iii
Cap 18 Parte Iii
Cap 18 Parte Iii
Cap 18 Parte Iii
Cap 18 Parte Iii
Cap 18 Parte Iii
Cap 18 Parte Iii
Cap 18 Parte Iii
Cap 18 Parte Iii
Cap 18 Parte Iii
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Cap 18 Parte Iii

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  • Cognition: Mental processes involved in gaining knowledge and comprehension, including thinking, knowing, remembering, judging, and problem solving. These are higher-level functions of the brain and encompass language, imagination, perception, and planning.
  • Transcript

    • 1. Direct control by Direct release nervous system of hormones Indirect control through release of regulatory hormones KEY TO PITUITARY HORMONES: ACTH TSH GH PRL FSH LH MSH ADH OXT Adrenocorticotropic hormone Thyroid-stimulating hormone Growth hormone Prolactin Follicle-stimulating hormone Luteinizing hormone Melanocyte-stimulating hormone Antidiuretic hormone Oxytocin Kidneys ADH Neurohypophysis of pituitary gland Adenohypophysis of pituitary gland ACTH Suprarenal medulla Suprarenal cortex Suprarenal gland Epinephrine and norepinephrine Somatomedins TSH GH PRL Liver FSH LH MSH OXT Males: Smooth muscle in ductus deferens and prostate gland Thyroid gland Glucocorticoids (cortisol, corticosterone) Bone, muscle, other tissues Mammary glands Testes of male Ovaries of female Melanocytes (melanin disperson) Females: Uterine smooth muscle and mammary glands Thyroid hormones (T 3 , T 4 ) Inhibin Testosterone Estrogen Inhibin Progesterone
    • 2. Control hipotalamico del lóbulo anterior
      • Hormona de liberación (RH)
      • Hormona de inhibición (IH)
    • 3. Figure 18.7 Tracto hipotal ámico- hipofisiario
    • 4.
      • Efecto Indirecto de GH
      • GH o somatotropina
      • GHRH  GH  Higado 
      • Somatomedinas ( = IGF )
      • Musculo esqueletico y cartilago
      • Incorporacion AA
      • Sintesis de proteinas
    • 5. Efecto de somatomedinas (IGFs)
      • Músculo esquelético y cartílago
        • ↑ absorción de AA
        • AA  Proteínas
      • Estimula síntesis de proteína y crecimiento celular
    • 6. Hormona de crecimiento (GH): efecto directo
      • Tejido epitelial y conectivo
        • ↑ Division celular y diferenciación de células madre
      • Tejido adiposo
        • TG  ácidos grasos (sangre)
        • Ácidos grasos  ATP
        • Efecto conservador de glucosa o “Glucose-Sparring Effect”
      • Hígado
        • Glucógeno  Glucosa (sangre)
        • Tejidos ya utilizando ácidos grasos
        • Efecto diabeto génico
    • 7. Gigantismo vs Acromegalia
    • 8. Acromegalia
    • 9. Uso de GH para desarrollo muscular?????
    • 10. Lóbulo Posterior de la pituitaria
      • Compuesto de axones de neuronas hipotalámicas
      • SON: ADH
      • PVN: OT
    • 11.  
    • 12.
      • SON: ADH=AVP
        • Estimulo humoral:
          • ↑ osmolaridad sangre
        • Otros estímulos
          • ↓ presión sanguínea
          • ↓ volumen de sangre
        • Osmoreceptores
          • En el hipotálamo
          • Se comunican con neuronas en SON
        • Efectos
          • Riñón: ↓ Excreción de H 2 0
          • ↑ ↑ ↑ [ADH]: vasoconstriccion periferal
        • Alcohol
        • Diabetes Insipidus
            • ↓ liberación de ADH
            • Polyurea
    • 13.
      • PVN: Oxitocina
        • Útero (durante el parto)
          • Contracciones de músculo liso
        • Fuente de OT
          • Útero y feto
        • Luego del parto
          • Contracción de células mioepiteliales de las glándulas mamarias
          • Liberación de leche materna
        • “ Milk let down reflex”
          • Reflejo neuroendocrino
          • Se puede condicionar
          • Llanto, Stress
        • Comportamiento sexual
    • 14. Rol de oxitcina en hombres?
    • 15. Direct control by Direct release nervous system of hormones Indirect control through release of regulatory hormones KEY TO PITUITARY HORMONES: ACTH TSH GH PRL FSH LH MSH ADH OXT Adrenocorticotropic hormone Thyroid-stimulating hormone Growth hormone Prolactin Follicle-stimulating hormone Luteinizing hormone Melanocyte-stimulating hormone Antidiuretic hormone Oxytocin Kidneys ADH Neurohypophysis of pituitary gland Adenohypophysis of pituitary gland ACTH Suprarenal medulla Suprarenal cortex Suprarenal gland Epinephrine and norepinephrine Somatomedins TSH GH PRL Liver FSH LH MSH OXT Males: Smooth muscle in ductus deferens and prostate gland Thyroid gland Glucocorticoids (cortisol, corticosterone) Bone, muscle, other tissues Mammary glands Testes of male Ovaries of female Melanocytes (melanin disperson) Females: Uterine smooth muscle and mammary glands Thyroid hormones (T 3 , T 4 ) Inhibin Testosterone Estrogen Inhibin Progesterone

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