plastron Definition

actinal, carapace, pelvic fin, anal fin, pectoral fin, undersurface, scutes, caudal fin, tubercle, condyle, laminae, radula, pelvic girdle, barbels, sepal, hairlike, bilaterally symmetrical, lateral epicondyle, midrib, spicule, trabeculae, underparts, palps, acromion, lucidum, periosteum, chitons, forelimb, shoulder girdle, peduncle, spermatic cord, nosepiece, occiput, acetabulum, dorsal, braincase, fontanelle, serrations, flatfishes, premolar, icosahedral, dorsal fin, somites, femora, lamellae, calyx, phalanges, cementum, tarsal, conic, integument, ventral, tragus, ilium, mesial, ostium, hyaline cartilage, carpus, thighbones, oviduct, concavity, notochord, striations, auditory canal, mouthparts, dorsum, choroid, dentine, spinneret, volar, lunate, radiolucent, cartilages, fibrocartilage, papule, epiphysis, setae, humeral, chordates, pedicle, commissure, cuticular, caudal, ostracods, sclera, sulci, diaphysis, fossa, diffraction grating, callosities, spathe, gingiva, eyespots, hyoplastron, dewlap, crinoids, dolerite, protrusion, underlayer, forewings,