KINE 1050 Lecture Notes - Lecture 1: Hyperglycemia, Catecholamine, Blood Sugar

52 views7 pages

Document Summary

From rest to active must increase energy production. Nervous system: fast response; short lived and localized effect. Endocrine system: all tissues and glands that secrete hormones into the blood which are transported to targets cells. Tissues and glands: hypothalamus, pituitary gland, thyroid/parathyroid glands, adrenal glands, kidneys, pancreas, ovaries/testes. Hormones: chemical messengers secreted by cells regulate and coordinate a wide range of functions. Steroid: chemically like cholesterol, derived from cholesterol, soluble in lipids, diffuse through membranes, secreted by: Cannot cross membranes: secreted by: thyroid adrenal medulla. Hormone actions: hormones contact all body tissues must have specific receptors (lock and key) Each cell has 2 000 -10 000 receptors: steroid receptors are in the cytoplasm or nucleus, non-steroid receptors are on the cell membrane. Steroid hormone and receptors: work by direct gene activation: hormone crosses cell membrane and binds to receptor, hormone enters nucleus and binds to dna, activates certain genes to make rna, rna enters cytoplasm to initiate protein synthesis.

Get access

Grade+
$40 USD/m
Billed monthly
Grade+
Homework Help
Study Guides
Textbook Solutions
Class Notes
Textbook Notes
Booster Class
10 Verified Answers
Class+
$30 USD/m
Billed monthly
Class+
Homework Help
Study Guides
Textbook Solutions
Class Notes
Textbook Notes
Booster Class
7 Verified Answers

Related Documents

Related Questions