A child with pellagra like symptoms,amino acids in urine,family history of two siblings normal and two affected.Parents are normal.What is the diagnosis?

Anatomy

A child with pellagra like symptoms,amino acids in urine,family history of two siblings normal and two affected.Parents are normal.What is the diagnosis?

The action of digastric muscle is:

Which of the following vessels supply the anal canal?

All of the following muscles are elevators of the mandible EXCEPT: