Nerve supply of skin around the umbilicus is

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