Problem periods. Itâs common to have cramps or feel uncomfortable when you have your period. And itâs common to sometimes have periods that donât come on a regular schedule when you first start getting them.
Nevus sebaceous on the scalp. Nevus sebaceus or sebaceous nevus (the first term is its Latin name, the second term is its name in English; also known as an Organoid nevus and Nevus sebaceus of Jadassohn) is a congenital, hairless plaque that typically occurs on the face or scalp.
cytology definition: The definition of cytology is a branch of biology that studies the structure and function of plant and animal cells. (noun) When a biologist studies how human blood cells work and how they relate to each other and to the rest of the...