| Label | Id | |
|---|---|---|
| anserine | http://id.nlm.nih.gov/mesh/2021/D000861 | |
| Anserini | http://id.nlm.nih.gov/mesh/2021/D005777 | |
| antacid | http://id.nlm.nih.gov/mesh/2021/D000863 | |
| Antarctic | http://id.nlm.nih.gov/mesh/2021/D000864 | |
| antazoline | http://id.nlm.nih.gov/mesh/2021/D000865 | |
| antelope | http://id.nlm.nih.gov/mesh/2021/D000866 | |
| antenna | http://id.nlm.nih.gov/mesh/2021/D057506 | |
| anterior cerebral artery | http://id.nlm.nih.gov/mesh/2021/D020771 | |
| anterior chamber of the eye | http://id.nlm.nih.gov/mesh/2021/D000867 | |
| anterior cranial fossa | http://id.nlm.nih.gov/mesh/2021/D035262 | |
| anterior cruciate ligament | http://id.nlm.nih.gov/mesh/2021/D016118 | |
| anterior cruciate ligament injury | http://id.nlm.nih.gov/mesh/2021/D000070598 | |
| anterior horn of spinal cord | http://id.nlm.nih.gov/mesh/2021/D066151 | |
| anterior hypothalamic nucleus | http://id.nlm.nih.gov/mesh/2021/D007025 | |
| anterior pituitary | http://id.nlm.nih.gov/mesh/2021/D010903 |