Dead Space

The Volume of air not involved in Gas Exchange.

Dartos Muscle

Layer of Smooth Muscle in the Scrotum responsible for the wrinkled appearance of the skin.

Cytosol

Alternative term for Cytoplasm.

Cytoskeleton

A Protein framework located inside the Cell giving the Cell flexibility and strength.

Cytoplasm

Material enclosed by the Cell Membrane.

Cytology

Study of the Cell.

Cystic Duct

The duct that carries Bile to and from the Gallbladder.

Cyanosis

Dark blue or purplish skin and Mucous Membrane discoloration as a result of deficient Blood Oxygenation.