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The Eye and the Endocrine System (Major Endocrine Glands/Organs and Their…
The Eye and the Endocrine System
Major Functions of the Endocrine System
Consists of network of endocrine glands located throughout the body
Function
Endocrine glands secrete hormones into the blood then carried through the body
Hormonal Mechanism and Controls
Negative Feedback
Occurs when there is a drop in the level of a hormone
Triggers a chain reaction of responses to increase hormones in the blood
Major Endocrine Glands/Organs and Their Functions
Pineal Gland
Produces melatonin which controls body rythyms
Pituitary Gland
Produce many hormones while they're targeted at other target tissues and organs
Pancreas
Produce insulin and glucagon which regulate glucose levels in the bloodstream
Ovaries
Produce two major hormones that help develop female secondary sexual characteristics
Testes
Produce male sex hormones that help with sperm production and secondary sexual characteristics
Thyroid Gland
Produce hormones that have an important role in metabolism
Parathyroid Gland
Produces parathyroid hormones that help regulate calcium in the blood
Hypothalamus
Link between the nervous system and endocrine system
Adrenal Gland
Stimulate hormones that control metabolism and hormones that involve the body's response to stress
Names of the Hormones Produced and Their Target Organs Along With Functions
Thyroid Gland
Thyroid Hormone
Controls basal metabolic rate
Calcitonin
Decreases calcium in the blood
Parathyroid Gland
Parathyroid Hormone
Increases calcium in the blood
Thymus Gland
Thymosin Hormone
Development of t-cells in the immune system
Pancreas
Insulin
Decreases glucose in the blood
Alucagon
Increases glucose in the blood
Adrenal Gland
Glucocorticoids/Cortisol
Response to stress and injury
Releases anti-inflammatory
Diseases Associated with the Endocrine System
Thyroid Cancer
Metabolic Disorder
Addison's Disease
Sinus Infection