indention, dimple, concave, condyle, rectangle, protrusion, indent, acetabulum, countersink, chamfer, pontil, dowel, nosepiece, concavity, lateral epicondyle, striations, dorsum, acromion, deckle, sulcus, commissure, undersurface, curvature, reamer, sidewall, convex, knife blade, perforations, awl, tubercle, bruise, bevel, occiput, lengthwise, plastron, pen nib, allen wrench, abrasion, fingernail, deformation, papule, soleplate, doorjamb, serrations, carpal bone, isosceles triangle, incision, stipple, lengthways, widthwise, bulges, navicular, thyroid cartilage, corrugation, cavity, pencil eraser, carpal, lividity, scutes, contour, radiolucent, papilla, mesial, thickness, bloodstain, temporal bone, equilateral triangle, fossa, lamellae, baseplate, spacer, epiphysis, spoon, chine, volute, tarsus, selvage, ellipse, plumb bob, underside, darning needle, talar, radula, splotch, lunate, octahedron, concretions, pancake turner, endplate, volar, embroidery hoop, convex lens, thermoform, angulation, luxation, dentine, epiphyseal, maxillary sinus, waviness, tragus, roughening, zygomatic arch, indentations, bulge, notches, protuberance, concavities, sag, grooves, groove, bend, convexity, flexure, furrow, furrows, notch, opening, bulging, camber

cleft

., bay, bight, bight of benin, cleft, dimpled, mandibular notch, notch

blank space, change of shape, concave shape, corroding, corrosion, erosion, place, space

indenture, pitting, roughness