Talk:Endocrine - Placenta Development: Difference between revisions

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** Steroid Hormones - progesterone (maintains pregnancy), estrogens (fetal adrenal/placenta)
** Steroid Hormones - progesterone (maintains pregnancy), estrogens (fetal adrenal/placenta)


 
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[http://embryology.med.unsw.edu.au/Notes/endocrine14.htm original page]
[http://embryology.med.unsw.edu.au/Notes/endocrine14.htm original page]

Revision as of 13:04, 15 April 2012

Introduction

Pregnancy Test

For complete notes on placenta development and function see Placenta Development.

Endocrine Links: Introduction | BGD Lecture | Science Lecture | Lecture Movie | pineal | hypothalamus‎ | pituitary | thyroid | parathyroid | thymus | pancreas | adrenal | endocrine gonad‎ | endocrine placenta | other tissues | Stage 22 | endocrine abnormalities | Hormones | Category:Endocrine
Historic Embryology - Endocrine  
1903 Islets of Langerhans | 1903 Pig Adrenal | 1904 interstitial Cells | 1908 Pancreas Different Species | 1908 Pituitary | 1908 Pituitary histology | 1911 Rathke's pouch | 1912 Suprarenal Bodies | 1914 Suprarenal Organs | 1915 Pharynx | 1916 Thyroid | 1918 Rabbit Hypophysis | 1920 Adrenal | 1935 Mammalian Hypophysis | 1926 Human Hypophysis | 1927 Adrenal | 1927 Hypophyseal fossa | 1930 Adrenal | 1932 Pineal Gland and Cysts | 1935 Hypophysis | 1935 Pineal | 1937 Pineal | 1935 Parathyroid | 1940 Adrenal | 1941 Thyroid | 1950 Thyroid Parathyroid Thymus | 1957 Adrenal

| Lecture - Placenta Development

  • Human chorionic gonadotrophin (hCG) - like leutenizing hormone, supports corpus luteum in ovary, pregnant state rather than menstrual, maternal urine in some pregnancy testing
  • Human chorionic somatommotropin (hCS) - or placental lactogen stimulate (maternal) mammary development
  • Human chorionic thyrotropin (hCT)
  • Human chorionic corticotropin (hCACTH)
  • progesterone and estrogens - support maternal endometrium
  • Relaxin
  • Placenta - Maternal (decidua) and Fetal (trophoblastic cells, extraembryonic mesoderm) components
  • Endocrine function - maternal and fetal precursors, synthesis and secretion
    • Protein Hormones - chorionic gonadotropin (hCG), chorionic somatomammotropin (hCS) or placental lactogen (hPL), chorionic thyrotropin (hCT), chorionic corticotropin (hCACTH)
      • hCG - up to 20 weeks, fetal adrenal cortex growth and maintenance
      • hCS – rise through pregnancy, stimulates maternal metabolic processes, breast growth
    • Steroid Hormones - progesterone (maintains pregnancy), estrogens (fetal adrenal/placenta)

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