Dermatomes (Map and Locations on Skin) Glossary of Terms

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The following are health and medical definitions of terms that appear in the Dermatomes (Map and Locations on Skin) article.

Anatomy: The study of human or animal form, by observation or examination of the living be...

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Anesthesiology: The branch of medicine specializing in the use of drugs or other agents th...

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Anesthetic: A substance that causes lack of feeling or awareness, dulling pain to permit s...

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Ankle: The ankle joint is complex. It is made up of two joints: the true ankle joint and ...

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Ankle bone: The ankle bone is termed the talus. It is the bone of the foot that joins the ...

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Anterior: The front, as opposed to the posterior. The anterior surface of the heart is tow...

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Anus: The opening of the rectum to the outside of the body.

Arms: An appendage in anatomy and in clinical trials. See: Arm.

Back pain: Pain felt in the low or upper back. Causes of pain in the low and upper back in...

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Backbone: The spine. A flexible row of bones stretching from the base of the skull to the...

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Belly: That part of the body that contains all of the structures between the chest and t...

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Belly button: The navel or umbilicus; the former site of attachment of the umbilical cord....

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Cervical: Having to do with any kind of neck, including the neck on which the head is perc...

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Chest: The area of the body located between the neck and the abdomen. The chest contains t...

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Chronic: In medicine, lasting a long time. A chronic condition is one that lasts 3 months ...

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Chronic pain: Pain (an unpleasant sense of discomfort) that persists or progresses over ...

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Coccygeal: Referring to the coccyx, the small tail-like bone at the bottom of the spine, t...

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Coccyx: The small tail-like bone at the bottom of the spine, very near the anus. It is the...

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Dermatome: (1) A localized area of skin that is has its sensation via a single nerve from ...

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Diagnosis: 1 The nature of a disease; the identification of an illness. 2 A ...

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Disc: Shortened terminology for an intervertebral disc, a disk-shaped piece of specialized...

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Dorsal: Relating to the back or posterior of a structure. As opposed to the ventral, or fr...

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Epidural: Outside the dura, the outermost, toughest, and most fibrous of the three membran...

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Forearm: The portion of the upper limb from the elbow to the wrist. The forearm has two bo...

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Frontal: In anatomy, pertaining to the forehead. As, for example, the frontal bone, fronta...

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Groin: The area where the thigh meets the hip.

Heel bone: Formally called the calcaneus. A more or less rectangular bone at the back of ...

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Herniation: Abnormal protrusion of tissue through an opening.

Inguinal: Having to do with the groin.

Injury: Harm or hurt. To harm, hurt, or wound. The word injure may be in physical or emot...

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Itching: An uncomfortable sensation in the skin that feels as if something is crawling on ...

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Knee: The knee is a joint which has three parts. The thigh bone (the femur) meets the lar...

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Lateral: 1. In anatomy, the side of the body or a body part that is farther from th...

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Leg: In popular usage, the part of the body from the top of the thigh down to the foot, an...

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Ligament: A tough band of connective tissue that connects various structures, such as two ...

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Limb: An arm or a leg.

Low back pain: Pain in the lower back area that can relate to problems with the lumbar spi...

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Lumbar: Referring to the five lumbar vertebrae, the disks below them, and the correspondin...

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Lumbar vertebrae: The five vertebrae situated between the thoracic vertebrae and the sacra...

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Malleolus: The rounded bony prominence on either side of the ankle joint....See the entire definition of Malleolus

Medial: 1. Pertaining to the middle; in or toward the middle; nearer the middle of ...

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Motor: Something that produces or refers to motion. For example, a motor neuron is a nerve...

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Neck: The part of the body joining the head to the shoulders. Also, any narrow or constric...

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Nerve: A bundle of fibers that uses electrical and chemical signals to transmit sensory an...

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Pain: An unpleasant sensation that can range from mild, localized discomfort to agony. Pa...

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Penis: The external male sex organ. The penis contains two chambers, the corpora cavernosa...

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Perianal: Located around the anus, the opening of the rectum to the outside of the body....

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Periphery: 1. The outside or surface of a structure; the portion outside the centr...

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Posterior: The back or behind, as opposed to the anterior.

Rash: Breaking out (eruption) of the skin. A rash can be caused by an underlying medical c...

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Sacral: Referring to the sacrum. For example, sacral agenesis is absence of all or part of...

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Sacrum: The large heavy bone at the base of the spine, which is made up of fused sacral v...

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Sciatica: Pain that results from irritation of the sciatic nerve and typically radiates fr...

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Scrotum: The pouch of skin that contains the testes, epididymides, and lower portions of t...

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Sensation: In medicine and physiology, sensation refers to the registration of an incoming...

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Sensory: Relating to sensation, to the perception of a stimulus, to the voyage made by inc...

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Shingles: An acute infection caused by the herpes zoster virus, the same virus as causes c...

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Spinal cord: The major column of nerve tissue that is connected to the brain and lies with...

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Spinal nerve: One of the nerves that originates in the spinal cord. There are 31 pairs of ...

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Spine: 1) The column of bone known as the vertebral column, which surrounds and protects ...

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Thigh: The thick, muscular portion of the leg that extends from the hip to the knee. The t...

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Thoracic: Pertaining to the chest. For example, the thoracic aorta is the part of the aort...

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Trauma: A physical or emotional injury.

Umbilicus: The vestige left behind on a newborn's belly when the umbilical cord is cut. A...

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Uterus: A hollow, pear-shaped organ that is located in a woman's lower abdomen, between th...

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Vertebra: A vertebra is one of 33 bony segments that form the spinal column of humans. Th...

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Vertebrae: The preferred plural of vertebra. (The alternate plural is vertebras.) See also...

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Virus: A microorganism that is smaller than a bacterium that cannot grow or reproduce apar...

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Xiphoid process: The lower part of the breastbone. The xiphoid process has no particular f...

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