The medical term for the cervix, the part of the female reproductive system that connects the uterus to the vagina.

An order of marine mammals that includes whales, dolphins, and porpoises, characterized by their aquatic lifestyle.

Any member of the Cetacea order, including whales, dolphins, and porpoises, known for their adaptation to life in water.

A calcareous deposit found in the inner ear of certain marine animals, like cetaceans, which helps in hearing and balance.

Abbreviation for the cytogenetic code, a system used in molecular biology to describe chromosomal aberrations.

A phylum of marine worms that are characterized by their arrow-like body shape and carnivorous feeding habits.

Relating to or characterized by the movement or arrangement of bristles or hairs, often in an organized pattern.

The arrangement of bristles or hairs on an organism, used for identification and classification.

A sequence of reactions in which the products of one reaction lead to the initiation of subsequent reactions.

A structure in an egg that anchors the yolk in the center of the egg white.