A bone in the ankle joint that connects the leg to the foot and plays a key role in movement and weight distribution.

A sequence of DNA in which two or more nucleotides are repeated in a head-to-tail fashion.

A type of genetic sequence in which identical or similar nucleotides are repeated in tandem, often used as markers in genetic studies.

A cross-section of tissue or structure that is cut parallel to its surface, often used in microscopy to examine surface features.

A layer of tissue in the eye of many animals, particularly nocturnal species, that reflects light to improve vision in low-light conditions.

A parasitic flatworm belonging to the class Cestoda, which lives in the intestines of vertebrates and can cause infections in humans.

Relating to taphonomy, the study of the processes of fossilization and the conditions under which organisms decay and are preserved in the fossil record.

The branch of paleontology that deals with the study of the decay, preservation, and fossilization of organisms.

The central, dominant root of a plant that grows thicker and deeper than the other roots, often serving as a storage organ.

A cell that is affected by a specific hormone, drug, or pathogen, typically due to the presence of specific receptors.