hog:0000139 proctodeumhog:0000152 embryonic mesodermhog:0000153 embryonic ectodermhog:0000154 embryonic endodermhog:0000155 pharyngeal archhog:0000170 mesenchymehog:0000199 notochordhog:0000201 tail budhog:0000683 cytotrophoblasthog:0000738 allantoishog:0000742 inner cell masshog:0001202 primitive streak - blastopore - germ ringhog:0001221 blastomerehog:0001258 limb - fin budBFO:0000050 part of
hog:0000671