脉 is a simplified Chinese hanzi, listed here under the keyword “blood vessels”. It is built from 月 (moon) and 永 (long). It appears as a component in 1 other character in this index.
On KumiJi Glyph Explorer, open the parts search and type “moon” + “long”. 脉 is among the results, together with every other character containing the same shapes.
Open 脉 in the interactive kanji search
to expand every part down to its smallest pieces, add your own names and mnemonic stories,
or search for other characters by their parts.