【医】 pivot screw
helix; screw; spiral; spire; volution
【化】 helix
【医】 coil; coiling; helico-; screw; spiral; spiro-; tirefond
column; columniation; cylinder; pillar; post
【化】 column
【医】 beam; column; columna; columnae; Pila; pilae; pillar; pivot; post; rod
trabecula; trabeculae
picket; stake
【医】 dowel; pivot; post