Allelic Imbalance

Different mutations in the same gene that cause different phenotypic manifestations or severity of disease.

Mutually exclusive alternative forms of the same gene occupying the same locus on homologous chromosomes, differing in nucleotide sequence and governing the…

A drug used to treat certain allergy symptoms. It blocks a chemical released during an allergic response that causes itching, sneezing, runny…

An extraembryonic membrane in the form of a sac. It collects waste from the embryo.

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…