2018年5月14日 · Examining myotomes and dermatomes is a vital part of a thorough neurological examination, particularly when a patient has a spinal cord injury. This article explains the dermatomes and myotomes of the human body, with an included dermatome map.

Dermatomes are areas of the skin whose sensory distribution is innervated by the afferent nerve fibres from the dorsal root of a specific single spinal nerve root, which is that portion of a peripheral nerve that “connects” the nerve to the spinal cord.

A myotome (greek: myo=muscle, tome = a section, volume) is defined as a group of muscles which is innervated by single spinal nerve root. Myotome testing is an essential part of neurological examination when suspecting radiculopathy.

2017年12月21日 · The main difference between dermatome and myotome is that dermatome is a distinct area of skin innervated by a particular spinal root whereas myotome is a group of muscles innervated by a particular spinal root. Both dermatome …

2022年10月27日 · Dermatomes are areas of your skin that rely on nerves that connect to your spinal cord. That means that dermatomes cover your entire body except for your face. The nerves in your face are an exception because they don’t have connections that …

2023年10月24日 · Dermatome Map. A dermatome is an area of skin receiving sensory innervation from a single spinal nerve dorsal root. Shown here is a map of the body's dermatomes. Contributed from Wikimedia. Grant, John Charles Boileau (Public

2023年10月30日 · Dermatome maps depict the sensory distribution of each dermatome across the body. Clinicians can assess cutaneous sensation with a dermatome map as a way to localize lesions within central nervous tissue, injury to specific spinal …

Myotome •The unilateral embryological muscle mass (and derived muscle) receiving innervation from single spinal cord segment or spinal nerve. •Muscle fibers innervated by a motor nerve fiber is called a motor unit. •Clinical Significance: Information about the level in the spine where a lesion may be present. Muscle weakness.

Dermatomes are areas of skin that receive sensations from sensory nerves exiting the spinal cord. Sensory nerves provide the feeling of hot, cold, pain, etc. There are 7 cervical, 12 thoracic, 5 lumbar, and 1 coccygeal nerve dermatomes.

2023年7月4日 · A dermatome is an area of skin that has sensory innervation from a given spinal nerve. A myotome is a group of muscles that a single spinal nerve innervates. Dermatomes. Some dermatomes are as follows: C6: thumb; C7: middle finger; C8: little finger; T1: anteromedial forearm and arm; T4: nipple ; T6: xiphoid process; T10: umbilicus (‘belly ...