The vast realm of medical terminologies covers an impressive array of diseases, conditions, procedures, medications, and more. With each letter of the alphabet representing its unique list of terms, the letter “L” holds significance with many essential words that healthcare professionals, students, and even curious minds might find informative.
Medical Terms That Start With L
Here is the list of the most popular words that start with the letter L:
- Leukemia
- Larynx
- Lipoma
- Lymphocyte
- Lactation
- Lumbar
- Laceration
- Lesion
- Lipid
- Lymphoma
Diseases and Conditions With L
- Lyme Disease
- Lupus
- Listeriosis
- Lactose Intolerance
- Lymphedema
- Legionnaires’ Disease
- Leptospirosis
- Leprosy
- Liver Cirrhosis
- Lung Cancer
- Lymphangitis
- Leiomyoma
- Lipedema
- Lichen Planus
- Laryngitis
Symptoms With L
- Lethargy
- Limb Pain
- Light-headedness
- Loss of Appetite
- Labored Breathing
- Low Blood Pressure
- Liver Spots
- Lip Swelling
- Lump in Throat
- Limping
- Lactation (unexpected)
- Laceration Pain
- Loss of Vision
- Loss of Hearing
- Lesion Appearance
Procedures With L
- Lumbar Puncture
- Laminectomy
- Laparoscopy
- Lasik Surgery
- Laryngoscopy
- Liposuction
- Liver Transplant
- Lobotomy
- Lobectomy
- Lymph Node Biopsy
- Lipid Profile Test
- Lactate Test
- Ligation of Varicose Veins
- LEEP (Loop Electrosurgical Excision Procedure)
- Laparotomy
Medications With L
- Lisinopril
- Lamictal
- Levofloxacin
- Lorazepam
- Losartan
- Lantus
- Lipitor
- Lexapro
- Lovenox
- Levaquin
- Loperamide
- Lyrica
- Lamisil
- Lariam
- Lithium
Imaging and Tests With L
- Lumbar MRI
- Liver Ultrasound
- Lung X-Ray
- Lymphoscintigraphy
- Lactose Tolerance Test
- Lipase Test
- Lumbar Myelography
- Liver Function Tests
- Lumbar CT Scan
- Luteinizing Hormone Test
- Lipoprotein Electrophoresis
- Lung Biopsy
- Laryngeal Electromyography
- Lymphangiogram
- Laryngogram
Vaccination and Immunology With L
- Lyme Disease Vaccine
- Live Attenuated Influenza Vaccine
- Leprosy Vaccine
- Leptospirosis Vaccine
- Liposomal Vaccines
- Lupus Immunotherapy
- Listeria Monocytogenes Immunotherapy
- Lymphocyte Activation Test
- Lymphocyte Culture Test
- Lymphoma Immunotherapy
- Long-Acting Reversible Contraception Immunization
- Live Virus Vaccination
- Lymphoid Immunology
- Lipid Antigen Presentation
- Latex Allergy Immunotherapy
Drugs With L
- Loratadine
- Lisdexamfetamine
- Liraglutide
- Levodopa
- Leflunomide
- Lovastatin
- Linezolid
- Lansoprazole
- Lurasidone
- Lumefantrine
- Levetiracetam
- Levocetirizine
- Lopinavir
- Lactulose
- Lumacaftor
A to Z Medical Glossary
A – B – C – D – E – F – G – H – I – J – K – L – M – N – O – P – Q – R – S – T – U – V – W – X – Y – Z
Medical Words With L & Their Meanings
- Labyrinthitis – Inflammation of the inner ear causing dizziness and hearing loss.
- Laceration – A jagged wound or cut.
- Lactase – An enzyme that breaks down lactose.
- Lactate – A compound formed during glucose metabolism, often elevated in some medical conditions.
- Lactation – Production of milk by the mammary glands.
- Lactose – A sugar found in milk and dairy products.
- Laminectomy – Surgical removal of part of a vertebral bone.
- Laparoscope – Instrument used to view inside the abdomen during minimally invasive surgery.
- Laparoscopy – A surgical procedure using a laparoscope to examine the abdomen.
- Laparotomy – Surgical incision into the abdominal cavity.
- Laryngeal – Pertaining to the larynx or voice box.
- Laryngitis – Inflammation of the larynx.
- Laryngoscope – Instrument used to view the larynx.
- Laryngospasm – Involuntary muscular contraction of the larynx.
- Laryngectomy – Surgical removal of the larynx.
- Larynx – The voice box.
- Latent – Present but not active or visible.
- Lateral – Pertaining to the side.
- Laxative – A drug that promotes bowel movement.
- Lesion – A pathological or traumatic discontinuity of tissue.
- Leukemia – Cancer of the blood or bone marrow characterized by an increase in white blood cells.
- Leukocyte – A white blood cell.
- Leukocytosis – Increased number of white blood cells in the blood.
- Leukoplakia – White patches on mucous membranes, often pre-cancerous.
- Leukopenia – Reduced number of white blood cells in the blood.
- Levator – A muscle that raises a body part.
- Ligament – Connective tissue that connects bone to bone.
- Ligate – To tie or bind off.
- Lipase – Enzyme that breaks down fats.
- Lipid – Fat or fat-like substance.
- Lipoma – Benign tumor of fatty tissue.
- Lipoprotein – Protein-coated fat particles in the blood.
- Listeria – A bacterium that can cause food poisoning.
- Lithiasis – Formation of stones (like kidney stones).
- Lithotomy – Surgical removal of a stone.
- Lithotripsy – Use of sound waves to break up stones.
- Lobe – A division of a lung or other organ.
- Lobectomy – Surgical removal of a lobe.
- Locus – A location or site.
- Logorrhea – Excessive and rapid speech.
- Lordosis – Inward curvature of the spine.
- Lumen – The inside space of a tubular structure, like an artery or intestine.
- Luminal – Relating to the lumen.
- Lumpectomy – Surgical removal of a tumor from the breast.
- Lung – Organ of respiration.
- Lupus – An autoimmune disease affecting skin, joints, and organs.
- Luteinizing hormone (LH) – Hormone involved in ovulation and testosterone production.
- Lymph – Clear fluid containing white blood cells.
- Lymphadenopathy – Enlarged lymph nodes.
- Lymphangiogram – X-ray of lymph nodes and vessels.
- Lymphatic – Pertaining to the lymph system.
- Lymphedema – Swelling due to buildup of lymph fluid in tissues.
- Lymphocyte – A type of white blood cell.
- Lymphoma – Cancer of the lymphatic system.
- Lysis – Destruction or breakdown.
- Lysozyme – Enzyme that breaks down bacterial cell walls.
- Lyte – Electrolyte or minerals in the blood.
- Labrum – Cartilage that forms a rim around the socket of the hip joint.
- Lethargy – State of drowsiness or lack of energy.
- Limbic system – Brain areas controlling emotions and memory.
- Linea alba – Midline of the abdomen.
- Lingual – Relating to the tongue.
- Liver – Large organ that produces bile and metabolizes drugs.
- Lobe – A part of an organ, typically of the brain or lungs.
- Lubrication – Application of a substance to reduce friction.
- Lumbar – Relating to the lower back.
- Luteal phase – Second half of the menstrual cycle.
- Lysosome – Cell organelle that contains enzymes.
- Labile – Unstable or changeable.
- Lacteal – Tiny lymph vessels for absorbing fats from the intestine.
- Lacrimal – Pertaining to tears.
- Laminar – In layers or sheets.
- Lanugo – Fine, soft hair covering a fetus.
- Lethal – Deadly or fatal.
- Levodopa – Medication used to treat Parkinson’s disease.
- Levator ani – Muscle supporting the pelvic organs.
- Ligand – A molecule that binds to another.
- Lignocaine – Another name for lidocaine, a local anesthetic.
- Limbic – Pertaining to the brain’s emotional center.
- Lingual tonsils – Lymphoid tissue located at the base of the tongue.
- Lipogenesis – Formation of fat.
- Lipoprotein(a) – A cholesterol-carrying molecule linked to heart disease.
- Lissencephaly – A rare brain formation disorder.
- Logarithm – A mathematical function used in various medical calculations.
- Loin – The part of the body on both sides of the spine below the ribs.
- Longitudinal – Running lengthwise rather than across.
- Luetin – Yellow carotenoid pigments in plants animal fats and egg yolks.
- Lung fields – Areas of the lungs, as seen or felt externally.
- Lunula – The crescent-shaped whitish area of a fingernail or toenail.
- Luteum – Tissue formed in the ovaries.
- Lyophilization – Process of freeze-drying.
- Lytic lesion – Area of bone damage or destruction.
- Labioplasty – Surgical reconstruction of the labia.
- Laminar flow – A smooth, consistent flow of air in parallel layers.
- Langerhans cells – Immune cells in the skin.
- Laparotomy pad – Sterile pad used during surgery to absorb blood.
- Legionella – Bacteria that can cause a form of pneumonia.
- Leukoreduction – Process to reduce white blood cells in donated blood.
- Lichenification – Thick, leathery skin resulting from constant rubbing or scratching.
- Lidocaine – Local anesthetic.
- Ligature – Thread or wire used for tying vessels or tissues.
- Lipophilic – Having an affinity for or an ability to dissolve in fats.