<prompt> Glomus tumor arises fromModified smooth muscle cellsModified skeletal muscle cellsMerkel discsMelanocytes  <response>: Ans. is a i.e., Modified smooth muscle cells Glomus tumors Glomangioma Glomus tumors are benign but exquisitely painful tumors arising from modified smooth muscle cells of the glomus bodies, arteriovenous structures involved in thermoregulation. Although they may superficially resemble hemangiomas, glomangiomas arise from smooth muscle cells rather than endothelial cells. They are most commonly found in the distal portion of the digits, especially under the fingernails. Excision is curative. 