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Endocrine Development Slide Show

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... Medulla Embryology. Adrenal Medulla Embryology. Neural Crest ... Adrenal Medulla Embryology. Epinephrine Biosynthesis. Cortisol. Pars Tuberalis. Pars Nervosa ... – PowerPoint PPT presentation

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Title: Endocrine Development Slide Show


1
Endocrine Glands
Hypothalamus Anterior Posterior
Pituitary Thyroid Parathyroid Ultimobranchial
Bodies (Parafollicular C-cells) Pancreas Adrenal
Medulla Adrenal Cortex Gonads
2
Development of the Adrenal Cortex
3
Steroid Hormone Biosynthetic Pathways
Gonads
Gonads
Adrenal
Adrenal
4
Development of the Adrenal Cortex
SF-1 KO Mice Normal survival in utero Lack of
adrenal glands Lack of gonads Severe deficiency
in corticosterone Female internal genitalia in
both males and females Postnatal mortality
(on day 8)
5
Adrenal Medulla Embryology
6
Adrenal Medulla Embryology
Chromaffin Cells
Neural Crest Cells
Sympathetic Neurons
7
Adrenal Medulla Embryology
Neural Crest Cells
Signal from mesoderm ?
Cortisol
Sympathoadrenal Cells
Chomaffin cells
Cortisol
FGF
FGF
NGF
Sympathetic Neurons
8
Epinephrine Biosynthesis
Cortisol
9
Pituitary The Master Gland
Hypothalamus
Pars Tuberalis
Pars Distalis
Pars Nervosa
Pars Intermedia
10
Development of the Anterior Pituitary
Infundibular Process
Infundibular Process
Neural Ectoderm
Oral Ectoderm
Rathkes Pouch
Rathkes Pouch
Oral Cavity
Pars Nervosa
Pars Distalis
11
Development of the Anterior Pituitary
Infundibular Process
Hypothalamus
Infundibular Process
Oral Ectoderm
Rathkes Pouch
Rathkes Pouch
LH Prl FSH GH TSH ACTH
12
Development of the Thyroid
13
Development of the Thyroid
Pouch I
Pouch II
Pouch III
Thyroid
Pouch IV
14
Development of the Thyroid
15
The Role of Thyroid Hormone in Development
16
The Role of Thyroid Hormone in Development
17
Development of the Parathyroids
Inferior Parathyroid (III)
Superior Parathyroid (IV)
18
Development of Liver, Gall Bladder and Pancreas
19
Development of the Pancreas
20
Exocrine and Endocrine Tissue
21
Pancreatic Islets of Langerhans
22
Hyperinsulinemia in Fetus Causes Macrosomia
23
Long Term Effects of Fetal Hyperinsulinemia
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