| l'eugénisme | eugenics |
| l'utiliseriez certainement | Definitely would use it |
| la plastie | plastics |
| laboratoire | company |
| laboratoire | laboratory |
| laboratoire pharmaceutique | pharmaceutical company |
| lacération | laceration |
| lactate | lactate |
| lacune | lacuna |
| lacune du champ visuel | defect of visual field |
| lacune ostéocytaire | osteoplast |
| lambeau | flap |
| lambeau libre | free flap |
| lambeau pédiculé | gauntlet graft |
| lambeau pédiculé | pedicle flap |
| lame du sternum | breast bone |
| laminectomie | laminectomy |
| laminectomie | laminotomy |
| langage | language |
| langue dépapillée | bald tongue |
| langue framboisée | strawberry tongue |
| langue rôtie | burning tongue |
| laparophotographie | laparophotography |
| laparorraphie | laparorrhaphy |
| laparoscopie | laparoscopy |
| laparotomie | celiotomy |
| laparotomie | laparotomy |
| largeur de champ | field size |
| larvé | cryptic |
| latéral | lateral |
| lavement | enema |
| LCR | CSF |
| le G-CSF | G-CSF |
| leader d'opinion | opinion leader |
| léger | mild |
| léiomyome | leiomyoma |
| lemmoblaste | lemmocyte |
| lemmocyte | lemmocyte |
| lésé | damaged |
| léser | impair |
| léser | to damage |
| lésion | track |
| lésion | wound |
| lésion | sore |
| lésion | lesion |
| lésion | injury |
| lésion | impairment |
| lésion | damage |
| lésion concomitante | accompanying lesion |
| lésion cutanée | sore |
| lésion dégénérative | degenerative lesion |
| lésion fonctionnelle | functional lesion |
| lésion macroscopique | coarse lesion |
| lésion macroscopique | gross lesion |
| lésion obstructive | obstructing lesion |
| lésion tissulaire | tisue damage |
| leucocyte | leukocyte |
| levage de poids | lifting |
| lévodopa | levodopa |
| lévofloxacine | levofloxacine |
| lévofoxicine | levofoxicin |
| lévonorgestrel | levonorgestrel |
| lèvre | lip |
| liaison | binding |
| libération | delivery |
| libération prolongée | sustained release |
| libido | sex drive |
| libre | free |
| libre | patent |
| lié | bound |
| lieu | location |
| ligament | ligament |
| ligament coronaire | coronary ligament |
| ligament falciforme | falciform ligament |
| ligament gastro-colique | gastrocolic ligament |
| ligament gastro-splénique | gastrosplenic ligament |
| ligament hépato-duodénal | hepatoduodenal ligament |
| ligament hépato-gastrique | gastrohepatic ligament |
| ligament néphro-splénique | lienorenal ligament |
| ligament triangulaire | triangular ligament |
| ligament vésico-ombilical | umbilical ligament |
| ligaments péritonéaux | peritoneal ligaments |
| ligne | line |
| ligne divisoire des eaux | watershed |
| ligne intertrochantérienne | intertubercular line |
| ligne mamelonnaire | midclavicular line |
| ligne mamillaire | mamillar line |
| ligne médio-claviculaire | nipple line |
| lignes | lines |
| lignes de Langer | cleavage lines of Langer |
| lignes de Looser | Looser's zones |
| lipectomie | lipectomy |
| lipide | lipid |
| lipomatose | lipomatosis |
| lipome | lipoma |
| lipophile | lipophilic |
| liquide céphalo-rachidien sanglant | bloody tap |
| liquide céphalorachidien | cerebral spinal fluid |
| liquide extravasculaire | extravascular fluid |
| liquide synovial | synovial fluid |
| lire | read |
| liseré gingival | marginal gingiva |
| lisinopril | lisinopril |
| listing informatique | computer print-out |
| lisuride | lisuride |
| lit unguéal | nail bed |
| litige | litigation |
| livré | provided |
| local | topical |
| localisation | site |
| localisé | localized |
| locaux | topical |
| locomotion | locomotion |
| logiciel | software |
| lointain | long-term |
| lombaire | lumbar |
| lombalgies | low back pain |
| longueur d'onde | wawelength |
| longueur d'onde d'émission | emission wawelength |
| lordose | lordosis |
| loupe | sebaceous cyst |
| Lovenox | Lovenox |
| lubrification | lubrication |
| luer | luer |
| luer-lock | luer-lock |
| lumbago | lumbago |
| lumière | lumen |
| lupus | lupus |
| lupus érythémateux aigu disséminé | Systemic Lupus Erythematosus |
| lupus pernio | lupus pernio |
| lupus vulgaire | lupus vulgaris |
| luxation | dislocation |
| luxation | luxation |
| luxation congénitale de la hanche | congenital dislocation of hip |
| luxation récidivante | recurrent dislocation |
| lymphatique | lymph |
| lymphe | lymph |
| lymphocèle | seroma |
| lymphocyte | leukomonocyte |
| lymphocyte | lymph corpuscule |
| lymphocyte | lymphocyte |
| lymphoïde | lymphoid |
| lymphome | lymphoma |