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| This glossary contains: 19186 medical terms |
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Acne rosacea
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Acne rosaceaThis term is actually a misnomer! The appropriate term is simply rosacea which is a chronic skin disease that affects the middle third of the face with persistent redness over the areas of the face and nose that normally blush: mainly the forehead, the chin and the lower half of the nose. The tiny blood vessels in these areas enlarge (dilate) and become more visible through the skin, appearing like tiny red lines (called telangiectasias). Pimples can occur that look like teenage acne. Unlike acne, rosacea is not primarily a plague of teenagers. It occurs most often in adults (ages 30 to 50), especially those with fair skin, and affects both sexes but tends to be more common in women but worse in men. Unlike acne, there are no blackheads or whiteheads in rosacea. When rosacea first develops, it may appear, then disappear, and then reappear. However, in time the skin fails to return to its normal color and the enlarged blood vessels and pimples arrive. Rosacea rarely reverses itself. It lasts for years and, untreated, it worsens. Untreated rosacea can cause a condition called rhinophyma (ryno-fee-ma), literally growth of the nose, characterized by a bulbous, enlarged red nose and puffy cheeks (like the old comedian W.C. Fields). There may also be thick bumps on the lower half of the nose and the nearby cheek areas. Rhinophyma occurs mainly in men.
RELATED TERMS--------------------------------------
Rosacea
An acneiform eruption occurring mostly in middle-aged adults and appearing generally on the forehead, cheeks, nose, and chin. Three types are recognized: granulomatous, glandular hyperplastic with rhinophyma, and ocular.
Chronic
Ongoing or recurring. Chronic medical conditions include diabetes, epilepsy, and chronic fatigue syndrome.
Skin
Skin is an organ of the integumentary system; which is composed of a layer of tissues that protect underlying muscles and organs. Skin is used for insulation, vitamin D production, sensation, and excretion (through sweat).
Disease
Illness or sickness often characterized by typical patient problems (symptoms) and physical findings (signs). Disruption sequence: The events that occur when a fetus that is developing normally is subjected to a destructive agent such as the rubella (German measles) virus.
Blush
A redness of the skin, typically over the cheeks or neck. A blush is usually temporary and brought on by excitement, exercise, fever, or embarrassment. Blushing is an involuntary (uncontrollable) response of the nervous system leading to widening of the capillaries of the involved skin. Also referred to as a flush.
Chin
Medically, the mentum. The lower portion of the face below the lower lip including the prominence of the lower jaw and the line of fusion of the two separate halves of the jawbone (mandible). This line of fusion (called the symphysis menti) encloses a triangular area at tip of the chin (termed the mental protuberance). On each side, below the second premolar tooth, is the mental foramen, an opening for the passage of blood vessels and a nerve that supply the chin.
Blood
The life-maintaining fluid which is made up of plasma, red blood cells (erythrocytes), white blood cells (leukocytes), and platelets; blood circulates through the body's heart, arteries, veins, and capillaries; it carries away waste matter and carbon dioxide, and brings nourishment, electrolytes, hormones, vitamins, antibodies, heat, and oxygen to the tissues.
Acne
Is a common inflammatory disease of the facial skin seen most frequently between the ages of 10 and 25 years and characterized by blackheads, whiteheads and blemishes composed of papules and pustules. Acne is an inflammatory disease of the sebaceous glands, the glands that produce sebum. Acne usually affects the face, back, and chest. In severe cases it can develop into cysts and nodules that can result in scarring. While its cause is unknown, it is most often associated with hormonal activity within teenagers. In severe cases a person should consult with a dermatologist for a specific acne treatment.
Plague
1. Any contagious epidemic disease that is deadly. 2. An infectious disease caused by Yersinia pestis that can be spread from animals to humans and is normally spread to humans by fleas (called bubonic plague) or from person to person by respiratory droplets (called pnenmonic plague). Both forms have a high death rate.
Condition
The term "condition" has a number of biomedical meanings including the following: 1.An unhealthy state, such as in "this is a progressive condition." 2.A state of fitness, such as "getting into condition." 3.Something that is essential to the occurrence of something else; essentially a "precondition." 4.As a verb: to cause a change in something so that a response that was previously associated with a certain stimulus becomes associated with another stimulus; to condition a person, as in behavioral conditioning.
Cheek
The side of the face forming the side wall of the mouth. The cheek bone is part of the temporal bone of the skull that provides the prominence of the cheek.
SIMILAR TERMS--------------------------------------
Acne
Is a common inflammatory disease of the facial skin seen most frequently between the ages of 10 and 25 years and characterized by blackheads, whiteheads and blemishes composed of papules and pustules. Acne is an inflammatory disease of the sebaceous glands, the glands that produce sebum. Acne usually affects the face, back, and chest. In severe cases it can develop into cysts and nodules that can result in scarring. While its cause is unknown, it is most often associated with hormonal activity within teenagers. In severe cases a person should consult with a dermatologist for a specific acne treatment.
Acne conglobata
A very severe type of acne in which nodules are connected beneath the skin surface to other nodules or acne lesions.
Acne mechanica
Form of acne that develops in response to heat, covered skin, constant pressure, and/or repetitive friction against the skin.
Acne vulgaris
Disease of the pilosebaceous unit (the sebaceous follicle, sebaceous glands and sebaceous ducts) and is characterized by comedones, pustules, papules, nodules, and cysts. It usually erupts during adolescence, but may continue to erupt even after adolescence.
Acne, adult
Popular name for rosacea. For more information, see: Rosacea.
PREVIOUS AND NEXT TERMS--------------------------------------
Acidophilus
"Bacteria found in yogurt that can help restore a supportive bacterial environment to an intestinal tract whose normal intestinal bacterial population (""flora"") has been disturbed by disease or antibiotics. Eating yogurt with acidophilus may also be useful in preventing candidiasis (thrush), including in the vagina."
Acinetobacter
(Pronounced AH-sin-neto-bacter). A group of bacteria found in soil, water, and hospitals where they can cause serious infections in immunocompromised people and are often resistant to antibiotics. Acinetobacter can be isolated from many sources including drinking and surface water, soil, sewage and different types of foods. At least a quarter of healthy people carry Acinetobacter harmlessly on their skin. But in hospitals some strains, particularly Acinetobacter baumannii, can cause infections including pneumonia and bacteremia (bloodstream infection). In technical terms, the Acinetobacter genus belongs to the gamma subdivision of Proteobacteria, and to the Moraxellaceae family.
Acinus, pulmonary
"The ending of a tiny airway in the lung, where the alveoli (air sacs) are located. In anatomy, an acinus is a round cluster of cells, usually epithelial cells, that looks somewhat like a knobby berry. The word ""acinus"" means ""berry"" in Latin. (The plural is ""acini"".) There are also acini, round clusters of epithelial cells, in the salivary glands and in the pancreas."
ACL
Anterior cruciate ligament.
ACL injury
See: Anterior cruciate injury.
Acne rosacea
Acne, adult
Popular name for rosacea. For more information, see: Rosacea.
ACNM
The American College of Nurse-Midwives. See: Nurse-midwife.
Acou-
Combining form relating to hearing. As in acoustic, otoacoustic emission test, and presbyacousia.
Acoustic aphasia
See: Auditory aphasia.
Acoustic nerve
A cranial nerve concerned with hearing, balance and head position. The acoustic nerve is the 8th cranial nerve. It branches into two parts -- a cochlear part integral to hearing and a vestibular part which mediates the sense of balance and head position. Also called the vestibulocochlear nerve.
RELATED TERMS--------------------------------------
Rosacea
An acneiform eruption occurring mostly in middle-aged adults and appearing generally on the forehead, cheeks, nose, and chin. Three types are recognized: granulomatous, glandular hyperplastic with rhinophyma, and ocular.
Chronic
Ongoing or recurring. Chronic medical conditions include diabetes, epilepsy, and chronic fatigue syndrome.
Skin
Skin is an organ of the integumentary system; which is composed of a layer of tissues that protect underlying muscles and organs. Skin is used for insulation, vitamin D production, sensation, and excretion (through sweat).
Disease
Illness or sickness often characterized by typical patient problems (symptoms) and physical findings (signs). Disruption sequence: The events that occur when a fetus that is developing normally is subjected to a destructive agent such as the rubella (German measles) virus.
Blush
A redness of the skin, typically over the cheeks or neck. A blush is usually temporary and brought on by excitement, exercise, fever, or embarrassment. Blushing is an involuntary (uncontrollable) response of the nervous system leading to widening of the capillaries of the involved skin. Also referred to as a flush.
Chin
Medically, the mentum. The lower portion of the face below the lower lip including the prominence of the lower jaw and the line of fusion of the two separate halves of the jawbone (mandible). This line of fusion (called the symphysis menti) encloses a triangular area at tip of the chin (termed the mental protuberance). On each side, below the second premolar tooth, is the mental foramen, an opening for the passage of blood vessels and a nerve that supply the chin.
Blood
The life-maintaining fluid which is made up of plasma, red blood cells (erythrocytes), white blood cells (leukocytes), and platelets; blood circulates through the body's heart, arteries, veins, and capillaries; it carries away waste matter and carbon dioxide, and brings nourishment, electrolytes, hormones, vitamins, antibodies, heat, and oxygen to the tissues.
Acne
Is a common inflammatory disease of the facial skin seen most frequently between the ages of 10 and 25 years and characterized by blackheads, whiteheads and blemishes composed of papules and pustules. Acne is an inflammatory disease of the sebaceous glands, the glands that produce sebum. Acne usually affects the face, back, and chest. In severe cases it can develop into cysts and nodules that can result in scarring. While its cause is unknown, it is most often associated with hormonal activity within teenagers. In severe cases a person should consult with a dermatologist for a specific acne treatment.
Plague
1. Any contagious epidemic disease that is deadly. 2. An infectious disease caused by Yersinia pestis that can be spread from animals to humans and is normally spread to humans by fleas (called bubonic plague) or from person to person by respiratory droplets (called pnenmonic plague). Both forms have a high death rate.
Condition
The term "condition" has a number of biomedical meanings including the following: 1.An unhealthy state, such as in "this is a progressive condition." 2.A state of fitness, such as "getting into condition." 3.Something that is essential to the occurrence of something else; essentially a "precondition." 4.As a verb: to cause a change in something so that a response that was previously associated with a certain stimulus becomes associated with another stimulus; to condition a person, as in behavioral conditioning.
Cheek
The side of the face forming the side wall of the mouth. The cheek bone is part of the temporal bone of the skull that provides the prominence of the cheek.
SIMILAR TERMS--------------------------------------
Acne
Is a common inflammatory disease of the facial skin seen most frequently between the ages of 10 and 25 years and characterized by blackheads, whiteheads and blemishes composed of papules and pustules. Acne is an inflammatory disease of the sebaceous glands, the glands that produce sebum. Acne usually affects the face, back, and chest. In severe cases it can develop into cysts and nodules that can result in scarring. While its cause is unknown, it is most often associated with hormonal activity within teenagers. In severe cases a person should consult with a dermatologist for a specific acne treatment.
Acne conglobata
A very severe type of acne in which nodules are connected beneath the skin surface to other nodules or acne lesions.
Acne mechanica
Form of acne that develops in response to heat, covered skin, constant pressure, and/or repetitive friction against the skin.
Acne vulgaris
Disease of the pilosebaceous unit (the sebaceous follicle, sebaceous glands and sebaceous ducts) and is characterized by comedones, pustules, papules, nodules, and cysts. It usually erupts during adolescence, but may continue to erupt even after adolescence.
Acne, adult
Popular name for rosacea. For more information, see: Rosacea.
PREVIOUS AND NEXT TERMS--------------------------------------
Acidophilus
"Bacteria found in yogurt that can help restore a supportive bacterial environment to an intestinal tract whose normal intestinal bacterial population (""flora"") has been disturbed by disease or antibiotics. Eating yogurt with acidophilus may also be useful in preventing candidiasis (thrush), including in the vagina."
Acinetobacter
(Pronounced AH-sin-neto-bacter). A group of bacteria found in soil, water, and hospitals where they can cause serious infections in immunocompromised people and are often resistant to antibiotics. Acinetobacter can be isolated from many sources including drinking and surface water, soil, sewage and different types of foods. At least a quarter of healthy people carry Acinetobacter harmlessly on their skin. But in hospitals some strains, particularly Acinetobacter baumannii, can cause infections including pneumonia and bacteremia (bloodstream infection). In technical terms, the Acinetobacter genus belongs to the gamma subdivision of Proteobacteria, and to the Moraxellaceae family.
Acinus, pulmonary
"The ending of a tiny airway in the lung, where the alveoli (air sacs) are located. In anatomy, an acinus is a round cluster of cells, usually epithelial cells, that looks somewhat like a knobby berry. The word ""acinus"" means ""berry"" in Latin. (The plural is ""acini"".) There are also acini, round clusters of epithelial cells, in the salivary glands and in the pancreas."
ACL
Anterior cruciate ligament.
ACL injury
See: Anterior cruciate injury.
Acne rosacea
Acne, adult
Popular name for rosacea. For more information, see: Rosacea.
ACNM
The American College of Nurse-Midwives. See: Nurse-midwife.
Acou-
Combining form relating to hearing. As in acoustic, otoacoustic emission test, and presbyacousia.
Acoustic aphasia
See: Auditory aphasia.
Acoustic nerve
A cranial nerve concerned with hearing, balance and head position. The acoustic nerve is the 8th cranial nerve. It branches into two parts -- a cochlear part integral to hearing and a vestibular part which mediates the sense of balance and head position. Also called the vestibulocochlear nerve.
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This dictionary contains 19186 terms.
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