Labia
/ˈleɪbiə/
The inner and outer folds of the vulva; also refers to the lips of the mouth.
Labrum
/ˈleɪbrəm/
A lip-like ring of fibrocartilage that deepens a joint socket, such as in the shoulder or hip.
Labyrinth
/ˈlæbərɪnθ/
A complex system of interconnecting cavities in the inner ear.
Lacrimal
/ˈlækrɪməl/
Relating to tears or the structures that secrete and drain tears.
Lacteal
/ˈlæktiəl/
The lymphatic vessels of the small intestine which absorb digested fats.
Lacuna
/ləˈkuːnə/
A small cavity or depression in bone or cartilage that contains a cell.
Lambdoid
/ˈlæmdɔɪd/
The suture between the parietal and occipital bones of the skull, shaped like the Greek letter lambda.
Lamella
/ləˈmɛlə/
A thin layer, membrane, or plate of tissue, especially in bone.
Lamina
/ˈlæmɪnə/
A thin layer or flat plate, such as the part of the vertebra that forms the back of the spinal canal.
Lanugo
/ləˈnuːɡoʊ/
Fine, soft hair that covers the body and limbs of a human fetus or newborn.
Larynx
/ˈlærɪŋks/
The hollow muscular organ forming an air passage to the lungs and holding the vocal cords; the voice box.
Lateral
/ˈlætərəl/
Towards the side of the body, away from the midline.
Latissimus Dorsi
/ləˈtɪsɪməs ˈdɔːrsaɪ/
A large, flat muscle on the back that stretches to the sides, behind the arm.
Lens
/lɛnz/
The transparent structure behind the pupil that changes shape to help focus images on the retina.
Levator
/ləˈveɪtər/
A muscle whose main function is to raise a part of the body.
Ligament
/ˈlɪɡəmənt/
A short band of tough, flexible fibrous connective tissue which connects two bones.
Limbus
/ˈlɪmbəs/
A border or edge, such as the junction between the cornea and the sclera in the eye.
Linea Alba
/ˈlɪniə ˈælbə/
The fibrous structure that runs down the midline of the abdomen.
Lingual
/ˈlɪŋɡwəl/
Relating to, near, or on the side towards the tongue.
Lipocyte
/ˈlɪpəsaɪt/
A fat cell; an adipocyte.
Liver
/ˈlɪvər/
A large glandular organ in the abdomen involved in many metabolic processes.
Lobe
/loʊb/
A roundish and flattish part of an organ, especially in the brain, lungs, or liver.
Lordosis
/lɔːrˈdoʊsɪs/
The inward curvature of the lumbar and cervical regions of the spine.
Lumbar
/ˈlʌmbər/
Relating to the lower back region of the spine between the ribs and the pelvis.
Lumbosacral
/ˌlʌmboʊˈseɪkrəl/
Relating to the lumbar vertebrae and the sacrum.
Lumen
/ˈluːmən/
The central cavity or opening of a tubular structure, such as a blood vessel or intestine.
Lunate
/ˈluːneɪt/
A crescent-shaped carpal bone in the wrist.
Lung
/lʌŋ/
One of the two primary organs of respiration.
Lunula
/ˈluːnjʊlə/
The white, crescent-shaped area of a finger or toe nail.
Lymph
/lɪmf/
A colorless fluid containing white blood cells, which bathes the tissues.
Lymphocyte
/ˈlɪmfəsaɪt/
A form of small leukocyte (white blood cell) with a single round nucleus.
Lysosome
/ˈlaɪsəˌsoʊm/
An organelle in the cytoplasm of cells containing degradative enzymes.