The Zygomaticus major , is one of the muscle of the human body , it is one the facial muscle responsible for smiling or laughing . Like other muscles responsible for facical expressions , the zygomaticus major is also innervated by the facial nerves.
The zygomaticus major extends from our cheekbone to the corners of the mouth.
Basically ,
When the <u>Zygomaticus major</u> contracts , the corner of the mouth is drawn upward , during the process of laughing.
90 – Unspecified Dementia without Behavioral Disturbance. ICD-Code F03. 90 is a billable ICD-10 code used for healthcare diagnosis reimbursement of Unspecified Dementia without Behavioral Disturbance.
Axial and appendicular. Axial makes up the main axis of the body the head, neck and chest Appendicular makes up parts of the human body that connects to the axial the limbs and appendages.