![](/drem/stage22/labels2/S1925L.gif)
![L-5 / S-1 intervertebral disc, L-5 spinal ganglion, calcaneal tendon, calcaneum, cuboid, cuneiform 3, edge of penis, extensor digitorum longus tendon, fibula, flexor digitorum longus tendon, greater trochanter of femur, ilium, lateral malleolus of fibula, levator ani muscle, lumbosacral trunk, metatarsal 2, metatarsal 3, obturator internus muscle, peritoneal cavity, rectum, sciatic nerve, talus, urethra, urethral groove](/drem/stage22/Z0/S1925N.jpg)
![](/drem/rulerbg.png)
0 μm
Boyd Embryo #H983 | Location: 182-1-1
Keywords: L-5 / S-1 intervertebral disc, L-5 spinal ganglion, calcaneal tendon, calcaneum, cuboid, cuneiform 3, edge of penis, extensor digitorum longus tendon, fibula, flexor digitorum longus tendon, greater trochanter of femur, ilium, lateral malleolus of fibula, levator ani muscle, lumbosacral trunk, metatarsal 2, metatarsal 3, obturator internus muscle, peritoneal cavity, rectum, sciatic nerve, talus, urethra, urethral groove
Source: The Virtual Human Embryo.