A conduit in animals (like blood vessels) or plants (like xylem and phloem) that carries fluids.

Xylem cells that are responsible for the transport of water in plants, characterized by their large diameter and perforated end…

Relating to the vestibule, the part of the inner ear involved in balance and spatial orientation.

A method of male contraception where the vas deferens is surgically cut to prevent sperm from being ejaculated.

In genetics, a carrier molecule or organism used to transfer genetic material into another organism.

A cell in a plant that is involved in growth and development, as opposed to reproductive functions.

A toxic substance produced by certain animals like snakes, spiders, or scorpions, used to immobilize or kill prey and for…

The abdominal or lower side of an organism, particularly in relation to the body or the embryo in animals.

The portion of the aorta that carries oxygenated blood from the heart to the rest of the body in vertebrates.

A chamber of the heart that pumps blood to the lungs (right ventricle) or to the rest of the body…