| Word | Definitions | Synonyms |
|---|---|---|
| mesencephalon | (noun) the middle portion of the brain | Synonyms: midbrain |
| mesenchyme | (noun) mesodermal tissue that forms connective tissue and blood and smooth muscles | - |
| mesenteric | (adjective) of or relating to or located in a mesentery | - |
| mesentery | (noun) a double layer of peritoneum that attaches to the back wall of the abdominal cavity and supports the small intestines | - |