Ch. 4 Flashcards
Endocrine System
supports the normal homeostatic function of the human body and helps it respond to external stimuli
General Adaptation Syndrome
How the adrenal gland responds with an initial alarm reaction followed by a reduction of an organism’s function in response to a noxious stimulus
Hormones
Chemical messengers that are synthesized, stored & released into the blood by endocrine glands
Autocrine Secretion
cell releases hormone itself and stays within the same cell
Paracrine Secretion
release of hormones to interact with adjacent cells (no need for circulation)
Binding Proteins
carry hormones through bloodstream & act as storage sites
4 Anabolic Hormones
Insulin, IGF, Testosterone, Growth Hormone
Function of Anabolic Hormones
Promote Tissue Building
Permissive Hormone
Thyroid
Function of Permissive Hormones
Allow the action of another hormone to take place
2 Catabolic Hormones
Cortisol & Progesterone
Function of Catabolic Hormones
Protein metabolism/breakdown
Cross Reactivity
Receptor partially interacts with hormones not specifically designed for it
Allosteric Binding Sites
Non-hormone substances can enhance or reduce cellular response to primary hormone
Multiple Domains
For hormones to attach to