Terms You Want to Know A - D
- Akt (also called protein kinase B, or PKB): An enzyme that plays a key role in cell proliferation and survival. One of Akt's major functions is to block programmed cell death (apoptosis).
- AMPK (AMP-activated protein kinase): An enzyme that is activated during times of metabolic stress, to turn off energy-consuming processes and turn on energy-producing processes.
- Cyanosis: A physical sign causing bluish discoloration of the skin and mucous membranes. Cyanosis is caused by a lack of oxygen in the blood. Cyanosis is associated with cold temperatures, heart failure, lung diseases, and smothering.
- Chyle: A fluid consisting of a mixture of lymphatic fluid (lymph) and chylomicrons that has a milky appearance. Chylomicrons are small fat globules composed of protein and lipid (fat) which are combined in the lining of the intestine. Chylomicrons are found in the blood and in lymphatic fluid where they serve to transport fat from its port of entry in the intestine to the liver and to adipose (fat) tissue.