Occipitofrontalis Muscle Give the origin, insertion, nerve supply and actions of the occipitofrontalis muscle. Answer. The occipitofrontalis muscle along with epicranial aponeurosis forms the third layer of the scalp. This muscle consists of four bellies: two occipital bellies and two frontal bellies. Occipitofrontalis Muscle Origin Occipitofrontalis Muscle … [Read more...] about Occipitofrontalis Muscle
Superficial Temporal Artery
Superficial Temporal Artery Write a short note on the superficial temporal artery. Answer. It is the smaller terminal branch of the external carotid artery. It begins in the parotid gland behind the neck of the mandible. It runs vertically upwards across the root of the zygoma in front tragus. About 5 cm above the zygoma, the artery divides into terminal anterior and … [Read more...] about Superficial Temporal Artery
Platysma Muscle
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
Cartilage
Cartilage What is cartilage? Answer. The cartilage is a specialized connective tissue, with a rubbery matrix (gel-like matrix) due to the deposition of proteoglycans which provides firmness along with elasticity to the skeletal framework of the body. Phylogenetically, it is older than the bone tissue. It is made up of a dense network of collagen or elastic fibres, … [Read more...] about Cartilage
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). … [Read more...] about Cauda Equina And Conus Medullaris Syndromes