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  2. Dermatome (anatomy) - Wikipedia

    en.wikipedia.org/wiki/Dermatome_(anatomy)

    A dermatome is an area of skin that is mainly supplied by afferent nerve fibres from the dorsal root of any given spinal nerve. [ 1 ] [ 2 ] There are 8 cervical nerves (C1 being an exception with no dermatome), 12 thoracic nerves , 5 lumbar nerves and 5 sacral nerves .

  3. Axial line (dermatomes) - Wikipedia

    en.wikipedia.org/wiki/Axial_line_(dermatomes)

    Posterior Dermatomes. The axial line is the line between two adjacent dermatomes that are not represented by immediately adjacent spinal levels. Although dermatomes are shown to be discrete segments on dermatomal maps (like in the image opposite), they are in fact not; adjacent dermatomes overlap with one another.

  4. Somite - Wikipedia

    en.wikipedia.org/wiki/Somite

    The dermatome is the dorsal portion of the paraxial mesoderm somite which gives rise to the skin . In the human embryo, it arises in the third week of embryogenesis. [2] It is formed when a dermomyotome (the remaining part of the somite left when the sclerotome migrates), splits to form the dermatome and the myotome. [2]

  5. Cutaneous innervation - Wikipedia

    en.wikipedia.org/wiki/Cutaneous_innervation

    The peripheral nervous system (PNS) is divided into the somatic nervous system, the autonomic nervous system, and the enteric nervous system.However, it is the somatic nervous system, responsible for body movement and the reception of external stimuli, which allows one to understand how cutaneous innervation is made possible by the action of specific sensory fibers located on the skin, as well ...

  6. Myotome - Wikipedia

    en.wikipedia.org/wiki/Myotome

    Similarly a dermatome is an area of skin that a single nerve innervates with sensory fibers. Myotomes are separated by myosepta (singular: myoseptum ). [ 2 ] In vertebrate embryonic development , a myotome is the part of a somite that develops into muscle.

  7. File:Dermatomes and cutaneous nerves - posterior.svg

    en.wikipedia.org/wiki/File:Dermatomes_and...

    This SVG image contains embedded raster graphics. Such images are liable to produce inferior results when scaled to different sizes (as well as possibly being very inefficient in file size).

  8. American Spinal Injury Association - Wikipedia

    en.wikipedia.org/wiki/American_Spinal_Injury...

    The exam is based on neurological responses, touch and pinprick sensations tested in each dermatome, and strength of the muscles that control key motions on both sides of the body. [7] Muscle strength is scored on a scale of 0–5 according to the adjacent table, and sensation is graded on a scale of 0–2: 0 is no sensation, 1 is altered or ...

  9. Blaschko's lines - Wikipedia

    en.wikipedia.org/wiki/Blaschko's_lines

    Alfred Blaschko, a private practice dermatologist from Berlin, first described and drew the patterns of the lines of Blaschko in 1901. He obtained his data by studying over 140 patients with various nevoid and acquired skin diseases and transposed the visible patterns the diseases followed onto dolls and statues, then compiled the patterns onto a composite schematic of the human body.