S: Pituitary Gland
BC: Pituitary Is the Best :D | The pituitary gland is also known as the "master" gland. This is because it administers the functions of the endocrine system, making it the MOST important gland in the endocrine system.
FC: Pituitary Gland | By: Dana Shin, Jenny Le, Mary Lee, Jonathan Kim | 4a
1: Where is \ Pituitary Gland? | The pituitary is an endocrine (hormone-producing) gland that sits just beneath the base of the brain, behind the bridge of the nose. It is very small; only about the size of a pea. | Normal gland function of Pituitary gland? | "" | - master gland of the body - produces and secretes many hormones that travel throughout the body, directing certain processes stimulating other glands to produce different types of hormones.
2: Prolactin | - Stimulates milk production from the breasts after childbirth to enable nursing -Affects sex hormone levels from ovaries in women and from testes in men | Growth Hormone (GH) | - Stimulates growth in childhood and important for maintaining a healthy body composition and well-being in adults - Affects fat distribution in the body
3: Adrenocorti -cotropin (ACTH) | - Stimulates production of cortisol by adrenal glands - "Stress hormone" - vitual to our survival because it helps to maintain blood pressure & blood glucose level | Thyroid-stimulating hormone (TSH) | - Stimulates thyroid gland and regulates body's metabolism, energy, growth, and nervous system activity - Vital for survival
4: - Regulates water balance | Antidiuretic Hormone | Luteinizing Hormone | Follicle-stimulating Hormone | - Regulates testosterone in men and estrogen in women | - Promotes sperm production and ovaries to ovulation - LH and FSH: together for normal functions of reproductive organs
5: Clinical manifestations | From compression of surrounding neural or vascular structures - Headache: Stretching of diaphragma sellae - Visual Loss: Compression of optic chiasm
6: 1) Glucocorticoids - to treat adrenal insufficiency from ACTH (hormone) deficiency 2) Levothyroxine - thyroid hormone replacement for hypothyrodism / influences growth and tissue develpment 3) Sex-appropriate hormones - for sex-hormone deficiency 4) Estrogen replacement therapy with or without progesterone - for women 5) GH replacement therapy - for children (sometimes adults), stimulates linear growth | Treatment?
7: Common Causes of dysfunction | Tumor Development: - excessive amounts of hormone - hinder other hormone production - compress surrounding tissues Genetic Mutations: - excess or deficient amount of hormone can occur
8: Hypofunction | Less stimulation of hormones than necessary: - Deficiency of one hormone = excess production of another
9: Hyperfunction | More hormones than necessary: - Tumor - Tissue oversensitivity - External Factors: medicines