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บทที่ 9 ระบบต่อมไร้ท่อ (ENDOCRINE SYSTEM)

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บทที่ 9 ระบบต่อมไร้ท่อ (ENDOCRINE SYSTEM). ระบบต่อมไร้ท่อ (ENDOCRINE SYSTEM). ระบบต่อมไร้ท่อ (ENDOCRINE SYSTEM). ต่อมไร้ท่อ (endocrine gland) ต่อมที่ หลั่งสารและไปมีผลต่อเซลล์เป้าหมาย โดยผ่าน extracellular fluid เช่นกระแส เลือด โดยมี 9 ชนิดในคน - PowerPoint PPT Presentation

Text of บทที่ 9 ระบบต่อมไร้ท่อ (ENDOCRINE SYSTEM)

  • * 9 (ENDOCRINE SYSTEM)

  • * (ENDOCRINE SYSTEM)

  • * (endocrine gland) extracellular fluid 9 (exocrine gland) (ENDOCRINE SYSTEM)

  • * (endocrine cell) chemical control chemical messenger molecular messenger

  • *(co-ordinating system)

  • * 3 (growth)

  • *Chemical messengermolecular messenger 5 1. Paracrine (local regulator) 2. Neurotransmitter 3. Neurohormone4. Hormone 5. Pheromone

  • * 4 1. (Polypeptide hormone)2. (Steroid hormone)3. (Amine hormone)4. (Fatty acid hormone)

  • *chemical messenger -(receptor) 1. (a b&c)2. (bc)

  • * 2 1.(cell membrane receptor)

  • *2. , , Vitamin D3, NO- (hormone-receptor complex) transcription factor-

  • * 3 1. * (adrenal cortex) (ovary) (testis)2. * - (thyroid gland)- (hypophysis pituitary)- (adrenal medulla)

  • *1. (essential endocrine gland) (thyroid gland)(parathyriod gland) (adrenal cortex)2. (non-essential endocrine gland) (pituitary)(pineal gland) (adrenal medulla) (ovary)(testis)

  • * negative feedback

  • * homeostasis PTH Calcitonin(antagonistic) 2

  • *1.Brain hormone(BH) neurosecretory cells corpus cardiacum2.BHprothoracic gl. ecdysone3.ecdysone 4.Juvenile hormone(JH) corpus allatum metamorphosis JH

  • *()- 9 -Tropic hormones:

  • *()- -(neurosecretory cell) (releasing homrone) (inhibiting hormone)

  • *pituitary (Anterior pituitary)2. (intermidiate )3. (Posterior pituitary) 3

  • *(anterior pituitary gland or adenohypophysis)- releasing/inhibiting portal vessel

  • * (Growth hormone,GH)

    (Growth hormone,GH)

    dwarfismgiantism acromegalysimmons disease

  • *giantism GH (giantism)

  • *13 years old18 years old18 years old High School Graduation21 years oldEntering his car, front seat had to be removedhttp://www.altonweb.com/history/wadlow/

  • *dwarfism GH

  • *acromegaly GH

  • *simmons disease

  • * (follicle stimulating hormone,FSH) (glycoprotein) - - (LH) - FSH (germinal epithelium) (spermatogenesis) (gonadotrophin gonadotrophic hormone,Gn )

  • * LH - (testosterone)

  • * (prolactin) (lactogenic hormone)

  • *

  • *

    (adrenocorticotrophin hormone) ACTH

  • *ACTH GH ACTH (MSH)

  • * TSH (thyroid stimulating hormone)

  • *

  • * GH (GH releasing hormone,GHRH) GH (GH inhibiting hormone,GHIH)(prolactin releasing hormone,PRH) (thyroid releasing hormone,TRH) TSH Gn (gonadotrophin releasing hormone,GnRH) FSH LH

  • *- (Melanocyte stimulating hormone) MSH

  • *(Posterior pituitary gland or neurohypophysis)- - axon

  • *

  • * ADH (Vasopressin)

  • *ADH ADH (diabetes insipidus) 20

  • *

    (Oxytocin)

  • * (pancreas)-endocrine gland (islets of Langerhans) exocrine gland()-Islet of Langerhans alpha cells( glucagon) beta cells ( insulin)

  • *-insulin glucagon (antagonistic):insulin (), , :glucagon Diabetes mellitus () ( = 90mg/100ml) insulin insulin

  • * (adrenal gland)- 2 adrenal cortex()adrenal medulla()- fatty acid-cardiovascular respiratory system -autonomic nervous system (sympathetic)-glucocorticoid noncarbohydrate source -mineralocorticoid aldosterone Na+

  • * (adrenal gland) 2 1. (adrenal cortex) 2. (adrenal medulla) 2

  • *1. (Glucocorticoid hormone) 2. (mineralocorticoid) (aldosterone) (adrenal cortex)

  • * (adrenal medulla) 1. (adrenalin) 2. (noradrenalin)

  • * (Thyroid gland)- 2 - triiodothyronine (T3) thyroxine (T4)- - TSH

  • * (parathormone,PTH)

    (Parathyriod gland)

  • *

  • * (androgens) (testosteron)

  • * - (estrogens) - (progesterone)

  • * (melatonin) (pineal gland)

  • *- MSH- melatonin- Thymus gland Biological clock- pineal gland

  • *

  • *

  • *

  • *. Labial glands.. Auricular glands.. Perianal glands.. Vulva Preputial glands.. Interdigitous glands.

    **