| EGDF | embryonic growth and development factor |
|---|---|
| HEI | Health Effects Institute; high-energy intermediate; homogenous enzyme immunoassay; human embryonic i... |
| HEK | human embryo kinase; human embryonic kidney |
| HEL | hen egg white lysozyme; human embryonic lung; human erythroleukemia |
| HEPM | human embryonic palatal mesenchymal [cell] |