| Label | Id | |
|---|---|---|
| anterior region of body | http://purl.obolibrary.org/obo/UBERON_0000153 | |
| posterior region of body | http://purl.obolibrary.org/obo/UBERON_0000154 | |
| theca cell layer | http://purl.obolibrary.org/obo/UBERON_0000155 | |
| theca externa | http://purl.obolibrary.org/obo/UBERON_0000156 | |
| theca interna | http://purl.obolibrary.org/obo/UBERON_0000157 | |
| membranous layer | http://purl.obolibrary.org/obo/UBERON_0000158 | |
| anal canal | http://purl.obolibrary.org/obo/UBERON_0000159 | |
| intestine | http://purl.obolibrary.org/obo/UBERON_0000160 | |
| orifice | http://purl.obolibrary.org/obo/UBERON_0000161 | |
| cloaca | http://purl.obolibrary.org/obo/UBERON_0000162 | |
| embryonic cloaca | http://purl.obolibrary.org/obo/UBERON_0000163 | |
| primitive urogenital sinus | http://purl.obolibrary.org/obo/UBERON_0000164 | |
| mouth | http://purl.obolibrary.org/obo/UBERON_0000165 | |
| oral opening | http://purl.obolibrary.org/obo/UBERON_0000166 | |
| oral cavity | http://purl.obolibrary.org/obo/UBERON_0000167 |