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.
White finger nails: Yes you are right white finger nails are mostly caused by anemia .Other causes are liver and kidney disease.So have a blood test done to rule out these causes.