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Endocrine System (Hypothalomus (Anterior pituitary gland (Thyroid…
Endocrine System
Hypothalomus
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Anterior pituitary gland
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Luteinising Hormone (LH)
Stimulates gonads in both males and females. Causes ovulation in females and the release of testosterone in males
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Pituitary Gland
Anterior Pituitary Gland
Somatotrophins
Human growth hormone (hGH), or growth hormone (GH), belongs to this group of hormones. hGH is is also known as somatotrophin. It stimulates growth and is released in the presence of hypothalamic growth hormone-releasing hormone (GHRH). The hypothalamus also produces somatostatin to inhibit its release.
Thyrotrophins
Thyroid stimulating hormone belongs to this group. It stimulates the thyroid gland to produce thyroxine (T4), then triiodothyronine (T3).
Corticotrophins
This stimulates the release of the adrenocorticotrophic hormone (ACTH), and beta-endorphin from the pituitary.
Lactotrophins
Prolactin (PRL), also known as Luteotrophic Hormone (LTH) is released under the influence of several hormones. It is primarily associated with the production of breast milk, but is also essential in metabolism, immunity and pancreatic development.
Gonadotrophins
Luteinising hormone (LH). Follicle stimulating hormone (FSH). Both released under influence of Gonadotrophin-Releasing hormone (GnRH). LH stimulates ovulation in Females and testosterone in Males.
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Thyroid Gland
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Parathyroid
Secretes Parathyroid Hormone: Influences calcium and phosphorus metabolism, along with bone formation
Pancreas
Beta-Cells
Secretes Insulin - Insulin breaks down carbohydrates, lipids, and proteins. It promotes the uptake of glucose into the bodies cells
Alpha-Cells
Secretes Glucagon - Acts in the liver and increases glucose by stimulating the breakdown of glycogen.
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Gland
A gland is a group of cells or a “secreting organ” that excretes a chemical substance. This substance can take the form of hormones, sweat, saliva, mucus, or acids
Hormone
A hormone are chemical messengers that are secreted directly into the blood stream to attach to a specific receptor in a specific target cell. This is to influence an activity within this target cell.
Target Cell
A cell selectively affected by a particular agent, such as a virus, drug, or hormone.
This system works alongside the to co-ordinate the function of all body systems. The nervous system tends to work rapidly, while the endocrine system works more slowly to regulate longer-term functions