dermal sinus
n.
A sinus lined with epidermis and skin appendages extending from the skin to a deeper structure, especially the spinal cord.
Words nearby dermal sinus
dermacentor variabilis,
dermal,
dermal denticle,
dermal graft,
dermal papilla,
dermal sinus,
dermapteran,
dermat-,
dermatan sulfate,
dermatherm,
dermatic