See Also: congenital giant pigmented nevus(medicine)
giant pigmented nevus(medicine)
nevus, pigmented(medicine)
pigmented hair epidermal nevus(medicine)
giant hairy nevus(medicine)
congenital nevus(medicine)
pigmented(medicine)
pigmented ameloblastoma(medicine)
pigmented epulis(medicine)
pigmented liver(medicine)

vitellin (iou) and congenital giant pigmented nevus (medicine)


vitellin (iou)



vitellin noun. M19.
[from VITELLUS + -IN1.]
Biochemistry. A phosphoprotein that is a major constituent of egg-yolk. Also, a similar protein found in plant seeds.

congenital giant pigmented nevus (medicine)


congenital giant pigmented nevus


These large pigmented (often hairy) congenital nevi are important because of their increased risk (10 to 15%) of conversion into malignant melanoma. A biopsy can confirm if cells have turned malignant. Any change in a pre-existing nevus should prompt a physician evaluation.