What are tonsil stones Tonsil stones are also known as tonsilloliths, are small white or yellow lumps of hardened material that can form in the palatine

What is XYY syndrome XYY syndrome is also known as 47XYY syndrome or Jacob's syndrome, is characterized by an extra copy of the Y chromosome

What is stratum corneum Stratum corneum is the outermost layer of the epidermis and marks the final stage of keratinocyte maturation and development. The stratum

What is squamous intraepithelial lesion Squamous intraepithelial lesion is used to indicate that the cells collected from the cervical Pap smear may be precancerous. If

What is fibrodysplasia ossificans progressiva Fibrodysplasia ossificans progressiva is also called stone man syndrome, is a disorder in which muscle tissue and connective tissue such as

What is prosopagnosia Prosopagnosia is a neurological disorder characterized by the inability to recognize the identity of faces ((Corrow SL, Dalrymple KA, Barton JJ. Prosopagnosia:

What is a philtrum Philtrum is the central depression or the vertical groove between the nose and the upper lip. Variations in the anatomy of

What is white coat syndrome White coat syndrome is a change in blood pressure levels due to the presence of a physician or other healthcare

What is toxic epidermal necrolysis Toxic epidermal necrolysis (T.E.N.) is characterized by fever (>100.4 °F or >38 °C), widespread tender redness (erythema) affecting >30% skin

What is a high risk pregnancy A high-risk pregnancy is one in which the mother, her fetus, or both are at higher risk for health