Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
22 Cards in this Set
- Front
- Back
|
Endocrine |
Hormones into blood Relatively slow Wide spread sustained response Thyroid and adrenal |
|
|
Major endocrine glands |
Hypothalamus Pituitary gland Parathyroid gland Thyroid Adrenal gland Pancrease |
|
|
Variables maintained |
Blood sugar Ca in blood Growth repair |
|
|
Paracrine communication |
Extracellular fluid Paracrine’s released |
|
|
Autocrine communication |
Through extracellular fluid Signals are autocrine |
|
|
Posterior pituitary gland |
Secretes hormones into blood Connected to hypothalamus by axons Oxytocin and ADH |
|
|
ADH |
Released by posterior pituitary gland Controls kidney absorption of H2O |
|
|
Oxytocin |
Stimulates milk release And contraction of uterine muscles |
|
|
Oxytocin |
Stimulates milk release And contraction of uterine muscles Posterior pituitary |
|
|
Anterior pituitary gland |
Connected to hypothalamus through blood vessels Releasing hormone secreted into capillaries Cells in gland store hormones ACTH GH TSH |
|
|
Thyroid hormone |
Essential for metabolic rate |
|
|
Follicles |
Sac like things in thyroid |
|
|
Follicles |
Sac like things in thyroid |
|
|
Follicular cells |
Surround follicles |
|
|
Thyroglobulin |
T3 and T4 TGB |
|
|
TBG |
Thyroid binding globulin Carrier protein of T3 and T4 |
|
|
Calcitonin |
Reduces ca in blood Inhibits activity of osteoclasts |
|
|
Why is iodine important for our diet |
Production of thyroid hormone |
|
|
Thyroid hormone synthesis |
Iodine enters follicle cell from blood travels to follicle cavity Follicle cells release thyroglobulin TGB into follicle Iodine reacts with tyrosine in TGB and iodised TGB moves to follicular cells Thyroid hormones detach from TGB as T3 and 3 That travel bound to carrier protein to target cells |
|
|
Thyroid hormone to mitochondria in target cell |
Increase ATP production |
|
|
Thyroid hormone to mitochondria in target cell |
Increase ATP production |
|
|
Thyroid hormone bond to nucleus |
Gene activation |
