dermo-, derm-, derma-, dermato-, dermat-, -derm, -derma, -dermatic, -dermatous, -dermis, -dermal, -dermic, -dermoid, -dermatoid

The third germ layer, lying between the ectoderm and the endoderm; which gives rise to the connective tissues, muscles, urogenital system, vascular system, and the epithelial lining of the coelom.

A laser device that projects an intense beam of light into the interior of the eye and generates heat that coagulates vessels; such as, in the treatment of a detached retina.

Any purulent (associated with the formation of or caused by pus) skin disease or lesion.

1. Any of a variety of skin diseases; in particular, a form of tuberculosis, affecting the lymph nodes of the neck.
2. A tuberculous or non-tuberculous mycobacterial infection affecting children and young adults, representing direct extension of tuberculosis into the skin from underlying structures; such as, lymph nodes (especially the cervical), bone or lung or by contact exposure to tuberculosis.

It is manifested by the development of painless subcutaneous swellings that evolve into cold abscesses, multiple ulcers, and draining sinus tracts.

A chronic abscess from infected bone or lymph nodes.