Jeep seat

A popular term for pilonidal cyst/sinus inflammation of congenital sacrococcygeal malformations with focal persistence of the neuroendocrine canal and ingrowth of hair into the cyst/sinus. Jeep seat often follows repeated trauma to members of the military who bounce on seats of military vehicles/jeeps

Jeep seat

Military medicine A popular term for pilonidal cyst/sinus inflammation of congenital sacrococcygeal malformations with focal persistence of the neuroendocrine canal and ingrowth of hair into the cyst/sinus; JS follows repeated trauma to the 'seats' of military recruits who bounce on seats of shock absorber-challenged military vehicles/jeeps
References in periodicals archive ?
Other strangely named afflictions included a Baker's cyst, tennis elbow, golfer's elbow and Jeep bottom, which was described as: "Pain over the seat bones as a result of bouncing around on a hard jeep seat - a problem in North Africa in the Second World War.
Mercedes engineers have said that if they were willing to compromise quality, they would take Jeep seats.