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