| HTL | hamster tumor line; hearing threshold level; high-L-leucine transport; histotechnologist; human T-ce... |
|---|---|
| LDL | loudness discomfort level; low density lipoprotein |
| LEL | lower explosive limit; lowest effect level |
| LEPN | effective perceived noise level |
| LL | large lymphocyte; lateral leminiscus; left lateral; left leg; left lower; left lung; lepromatous [in... |