Cilia were among the first organelles to be described microscopically. They are highly evolutionarily conserved, present in all of the extant eukaryotic kingdoms of life. In vertebrates, cilia are ...

A branchial cleft cyst is a type of birth defect in which a lump develops on one or both sides of your child’s neck or below the collarbone. This type of birth defect is also known as a branchial ...

A branchial cleft cyst is a birth abnormality that occurs on one or both sides of the neck. This atypical tissue may form fluid-filled sacs or passages that drain fluid on the neck surface. These ...