Hypothalamus

Nikhil Dhall
Mind Map by Nikhil Dhall, updated more than 1 year ago
Nikhil Dhall
Created by Nikhil Dhall over 5 years ago
113
1

Description

Mind Map on Hypothalamus, created by Nikhil Dhall on 12/02/2014.

Resource summary

Hypothalamus
1 Anterior Pituitary Gland
1.1 Human Growth Hormone/somatotropin - help the body to grow
1.2 Lutenizing Hormone - stimulate production of estrogen and progesterone in females, testosterone in males
1.3 Follicle Stimulating Hormone - initiate development of oocytes and sperm; stimulate ovary estrogen production
1.4 Thyroid Stimulating Hormone/ Thyrotropin
1.4.1 Thyroid gland - Make T3/T4 from follicular cells to increase metabolism
1.4.1.1 C Cells outside the follicle produce calcatonin to reduce blood [Ca+2]
1.4.1.2 Parathyroid gland - Produce parathyroid hormone to increase blood [Ca+2]
1.5 Adrenocorticotropic Hormone (ACTH) / corticotrophin - stimulate cortisol production by the adrenal cortex
1.5.1 Adrenal Gland control
1.5.1.1 Matrix
1.5.1.1.1 Produces epinephrine and norepinephrine for short term stress response in the body (ANS)
1.5.1.2 Cortex (outer layer)
1.5.1.2.1 Zona glomerulosa - Aldosterone production to increase absorption of [Na+] and water
1.5.1.2.1.1 Zona Fasiculata - Cortisol production to increase blood [glucose] to resist long term stress
1.5.1.2.1.1.1 Zona reticularis - androgen production
1.6 Prolactin - Milk Secretion
1.7 Melanocyte stimulating hormone - Function unknown
2 Supraoptic Nuclei
2.1 Anti-Diuretic Hormone/Vasopressin
2.1.1 Posterior Pituitary Gland
3 Paraventricular Nuclei
3.1 Oxytocin
3.1.1
4 Other glands
4.1 Pineal glands - secrete melatonin to help regulate body sleep clock
4.2 Thymus: produce thymosin, thymic humoral factor, thymic factor, thymopoietin; proliferation and maturation of T cells
4.3 Pancreas in pancreatic islet/ islet of langerhans
4.3.1 Alpha Cell
4.3.1.1 Beta Cell
4.3.1.1.1 Delta Cell
4.3.1.1.1.1 F cell
4.3.1.1.1.1.1 pancreatic polypeptide - inhibit somatostatin
4.3.1.1.1.2 Somatostatin produced - decrease glucagon and insulin secretion = slow nutrient absorption in GI
4.3.1.1.2 Insulin produced - decrease blood glucose concentration
4.3.1.2 Glucagon produced - gluconeogenesis = breakdown of glucose to increase blood concentration
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