| abdomen | http://purl.obolibrary.org/obo/MAT_0000298 | abdomen | |
| abdominal sensillum | http://purl.obolibrary.org/obo/MAT_0000206 | abdominal sensillum | |
| accumbens nucleus | http://purl.obolibrary.org/obo/MAT_0000512 | accumbens nucleus | |
| adipose tissue | http://purl.obolibrary.org/obo/MAT_0000015 | fat tissue | |
| adrenal cortex | http://purl.obolibrary.org/obo/MAT_0000494 | adrenal cortex | |
| adrenal gland | http://purl.obolibrary.org/obo/MAT_0000071 | adrenal gland | |
| adrenal medulla | http://purl.obolibrary.org/obo/MAT_0000495 | adrenal medulla | |
| adrenal medulla cell | http://purl.obolibrary.org/obo/MAT_0000071 | adrenal gland | |
| adult abdomen | http://purl.obolibrary.org/obo/MAT_0000298 | abdomen | |
| adult alimentary canal | http://purl.obolibrary.org/obo/MAT_0000043 | intestine | |
| adult compound eye | http://purl.obolibrary.org/obo/MAT_0000140 | eye | |
| adult head | http://purl.obolibrary.org/obo/MAT_0000294 | head | |
| adult mesothoracic wing | http://purl.obolibrary.org/obo/MAT_0000202 | wing | |
| adult metathoracic wing | http://purl.obolibrary.org/obo/MAT_0000202 | wing | |
| adult somatic muscle | http://purl.obolibrary.org/obo/MAT_0000302 | skeletal muscle | |
| adult stage | http://purl.obolibrary.org/obo/MAT_0000403 | adult stage | |
| adult visceral muscle | http://purl.obolibrary.org/obo/MAT_0000303 | smooth muscle | |
| aggregation territory | http://purl.obolibrary.org/obo/MAT_0000322 | aggregation territory | |
| alimentary system | http://purl.obolibrary.org/obo/MAT_0000018 | digestive system | |
| amniotic fluid | http://purl.obolibrary.org/obo/MAT_0000318 | amniotic fluid | |
| amphibia (AAO) | http://purl.obolibrary.org/obo/MAT_0000523 | amphibia (AAO) | |
| amygdala | http://purl.obolibrary.org/obo/MAT_0000289 | amygdala | |
| anal canal | http://purl.obolibrary.org/obo/MAT_0000042 | anal region | |
| anal pad | http://purl.obolibrary.org/obo/MAT_0000042 | anal region | |
| anal region | http://purl.obolibrary.org/obo/MAT_0000042 | anal region | |
| anal region | http://purl.obolibrary.org/obo/MAT_0000042 | anal region | |
| anatomical modifier | http://purl.obolibrary.org/obo/MAT_0000476 | anatomical modifier | |
| anatomical site | http://purl.obolibrary.org/obo/MAT_0000293 | body part | |
| anatomy basic component | http://purl.obolibrary.org/obo/MAT_0000000 | anatomy basic component | |
| animal component | http://purl.obolibrary.org/obo/MAT_0000001 | animal component | |