Allantois

An umbilical cyst that arises from allantoic tissue that did not regress during gestational development. Most cases involve a patent urachus that…

A nutrient that the body needs in small amounts to function and stay healthy. All-trans retinoic acid is made in the body…

A type of class comparison used when more than two classes are present in which each class is compared individually to each…

Anything relevant to all anatomic sites - non-specific.

A response indicating that something happens or happened all of the time.

An aggressive (fast-growing) type of leukemia (blood cancer) in which too many lymphoblasts (immature white blood cells) are found in the blood…