Medical Definition of mandibular angle. : an angle formed by the junction at the gonion of the posterior border of the ramus and the inferior border of the body of the mandible.
When a fully grown nail is atrophied, it loses its shine; loses healthy look, starts to shrink in size, and may eventually falls away. This condition is called Onychatrophia and also known as atrophy. There are number of degrees of onychatrophia condition. An individual can have only one nail that has atrophied. However, this condition can never worsen because the condition was identified and treated as soon as possible.
Onycholysis is a nail disorder frequently encountered by dermatologists. Onycholysis is characterized by a spontaneous separation of the nail plate starting at the distal free margin and progressing proximally.In onycholysis, the nail plate is separated from the underlying and/or lateral supporting structures.athophysiology. Nails with onycholysis usually are smooth, firm, and without inflammatory reaction. Onycholysis is not a disease of the nail matrix, but nail discoloration may appear underneath the nail as a result of secondary infection.