Swelling caused by the accumulation of excess fluid in the tissues, often a symptom of underlying health conditions like heart failure or kidney disease.

A term describing animals that lack teeth or have very few teeth, such as anteaters and sloths.

The condition of being without teeth, either due to congenital absence or loss.

Describing a person or animal that has lost all of their teeth.

A genetic disorder caused by an extra chromosome 18, leading to developmental and physical abnormalities, often resulting in early death.

Abbreviation for electroencephalogram, a test that measures electrical activity in the brain.

Relating to a stage in the Earth’s climate history, approximately 130,000 to 115,000 years ago, when temperatures were similar to or slightly warmer than today’s.

A scientific abbreviation for ‘efficiency factor,’ used in various contexts, including thermodynamics and chemical reactions.

A molecule that interacts with other molecules or biological systems to produce a biological effect, such as enzymes, hormones, or signaling molecules.

Referring to the movement of signals or substances away from a central point, such as the efferent nerve fibers that carry signals away from the brain.