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What is Nerve supply of skin around the umbilicus is and explain in detail?
A dermatome is an area of skin that is mainly supplied by a single soinal nerve. There are 8 cervical nerves (C1 being an exception with no dermatome), 12 thoraxic nerves, 5 lumbar nerves and 5 sacral nerves. Each of these nerves relays sensation (including pain) from a paicular region of skin to the brain.A dermatome also refers to the pa of an embryonic somite. T10 peains to umblicus Ref - BDC 6e vol2 pg 198-200