Endocrine system Anatomy and physiology
7 important questions on Endocrine system Anatomy and physiology
How did the pituitary develop, its origin?
Pituitary cell types
- Chromofobe cells: approximately 50% of the epithelial cells and are clustered. No or a limited number of secretory granules.
- Chromophil cells: cells contain specific granulae and can be separated into acidophil and basophil cells (staining properties of the secretion product)
- somatotrope cells: acidophil, GH
- Mammotrope cells: acidophil, PRL
- Gonadotrope cells: basophil, LH, FSH
- Thyreotrope cells: basophil, TSH
- Corticotrope cells: basophil, ACTH
Which hormones are located in the anterior and which in posterior pituitary?
- TSH
- FSH
- LH
- hCG (h-Choriongonadotrophine)
- ACTH (adrenocorticotrophic hormone)
- GH
- PRL
Posterior pituitary
- ADH
- OXY
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Around which time is most hormone secretion in adults?
What are the results of a high concentration of corticosteroids?
- Bloodvolume increase
- bloodpressure increase
- blood potassium decrease
- N-excretion increases (negative N-balance)
- blood glucose levels increase and conc. Glycogen in liver, myocard and muscle increases.
- immunity decrease
- woundhealing and inflammation inhibited
Hypothalamus-pituitary-gonadal axis
Reus groei symptoms:
- Enlarged frontal sinuses
- thickened skull vault
- prognathic mandible
- enlarged pituitary fossa
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