1/2000 - Společnost pro pojivové tkáně

1Fig. 1. Two types of growth within thevertebrate body, the neural-extensive (left)and cellular-divisional (right). Cellulardivisionalgrowth is demarkated by theneural-extensive growth, not the opposite !Fig. 2a, b. Hindlimb nerves of the frog.Left without specialities (although evenhere the nerves within the knee region aredistinctly shorter), on the right side are thenerves stretched and the bones are slightlyangulated along them. The nervousskeleton is partly indicated in the rightfemur (a). The effect of ascensus on theshape of bones is immediately evident (b).Fig. 3a-e. Variable lengths and widths of fingers in the frog (a), man (b), achondroplasia(c), turtle (d) and thallium-treated foot of duck embryo (e).16LOCOMOTOR SYSTEM VOL. 7, 2000, No.1