Medical Terms
Abdominal region
Body region below the torso that extends from the diaphragm to (and including) the pelvis
Accessory Digestive Organs
Components of the digestive system supporting the alimentary canal that runs throughout the body.
Achilles Tendon
Attaches the lower leg muscle to the heel at the back of the foot.
Acid Reflux
The condition in which the acidic contents of the stomach bubble up slightly into the esophagus, causing a burning sensation.
Acid-Base Balance
The balance between acidic (hydrogen donor) and basic (hydrogen acceptor) molecules in a solution.
Acne
A dermatitis caused by blocked hair follicles where an overproduction of sebum results in swelling, inflammation, and often infection by skin bacteria.
Acquired Immunity
Immunity that develops after exposure to a disease or through vaccination.
Action Potential
An electrical signal sent by a neuron down its axon to stimulate the release of neurotransmitter by the axon terminal.
Acupuncture
Practice of inserting thin needles into muscles to reduce symptoms and increase energy flow.
Acute Inflammation
Short-term inflammation in response to injury.