Related Experiment Video
Updated: Aug 13, 2026
08:58
Visualization of Germinosomes and the Inner Membrane in Bacillus subtilis Spores
Published on: April 15, 2019
Diffuse Bier spots
1Departmentof Dermatology, New York University School of Medicine, USA.
Dermatology Online Journal
|January 13, 2006
Abstract:
A 34-year-old man presented with a 6-month history of hypopigmented macules that were interspersed with blanching erythematous macules on the trunk, upper extremities, and lower extremities. Bier spots are small, hypopigmented macules that are usually found on the arms and legs of young adults. The intervening skin may seem erythematous but blanches with pressure so that the hypopigmented macules disappear. This is a benign vascular anomaly.
Related Concept Videos
01:31Pulmonary Tuberculosis III
Tuberculosis (TB) is a contagious infection primarily affecting the lung parenchyma but which can also affect other body parts. TB can be classified based on disease development, presentation, and the affected anatomical site.
The first classification is based on the development of the disease, and it includes the following categories:
The first classification is based on the development of the disease, and it includes the following categories:
01:27Diabetic Retinopathy
DefinitionDiabetic retinopathy is a microvascular complication of diabetes affecting the retinal blood vessels.Risk FactorsDiabetic retinopathy is present in almost all individuals with type 1 diabetes and more than 60% of those with type 2 diabetes after two decades of disease.The risk increases with poor glycemic control, hypertension, dyslipidemia, smoking, pregnancy, and puberty.Although cataracts and glaucoma are also more frequent in people with diabetes, retinopathy remains the leading...