Platysma Muscle Give the origin, insertion, nerve supply and actions of the platysma. Answer. The platysma is a thin, quadrilateral, broad sheet of muscle in the superficial fascia of the side of the neck. Platysma Origin From skin and deep fascia covering the pectoralis major and anterior part of the deltoid. Platysma Insertion Into the lower border of the … [Read more...] about Platysma Muscle
Head And Neck
Cauda Equina And Conus Medullaris Syndromes
Cauda Equina And Conus Medullaris Syndromes Write a short note on cauda equina. Answer. It is a leash of nerve roots of the lumbar (except L1), and sacral and coccygeal nerves around the filum terminale. It is called cauda equina because of its fancied resemblance to the tail of a horse (cauda = tail, equina = horse). Clinical features of cauda equina syndrome in adults … [Read more...] about Cauda Equina And Conus Medullaris Syndromes
Our Facial Muscles And Their Functions
Our Facial Muscles And Their Functions Enumerate the characteristic features of the muscles of facial expression. Answer. Lie in the superficial fascia Develop from 2nd pharyngeal arch Supplied by the facial nerve Represent (morphologically) pannicular carious … [Read more...] about Our Facial Muscles And Their Functions
Buccinator Muscle
Buccinator Muscle Give the origin, insertion, nerve supply and actions of the buccinator muscle. Answer. Buccinator Muscle Origin Upper fibres, from the alveolar process of the maxilla, opposite upper molar teeth. Lower fibres, from the alveolar process of the mandible, opposite lower molar teeth. Middle fibres, from pterygomandibular raphe. Buccinator … [Read more...] about Buccinator Muscle
Temporal Fossa: Anatomy, Borders And Contents
Temporal Fossa: Anatomy, Borders And Contents Define the temple (superficial temporal region) and enumerate the layers of soft tissue present in this region. Answer. The temple is an area on the side of the skull between the superior temporal line and the zygomatic arch. Superficial Temporal Region Soft-tissue layers: There are six layers of soft tissue in this … [Read more...] about Temporal Fossa: Anatomy, Borders And Contents