Universal Donor

A Universal Donor is an individual with Blood Type O who can donate blood to all other ABO Blood Types

Unicellular Gland

A Unicellular Gland is One Cell in the Epithelia that is Secretory.

The Umbilicus is the depressed point in the middle of the Abdomen that marks the point in which the Umbilical Cord entered the Fetus.

The Umbilical Cord is the connecting structure between the Embryo/Fetus and the Placenta.

Relating to the Umbilicus; the region around the Belly Button

An Ulcer is a Lesion formed when an Organ’s or Tissue’s surface covering is lost as a result of Cell death and is replaced with Inflammatory Tissue.

A special Cell in the Lungs that secretes Surfactant; the Septal Cells of Surfactant Cells.

Tunica Vaginalis is Serous Membrane lining the cavity that separates the Testis from the inner surface of the Scrotum.