Acinetobacter
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  Acinetobacter



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.

RELATED TERMS
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Bacteria
Single-celled microorganisms which can exist either as independent (free-living) organisms or as parasites (dependent upon another organism for life).

Hospitals
Institutions with an organized medical staff which provide medical care to patients.

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.

Foods
Anything which, when taken into the body, serves to nourish or build up the tissues or to supply body heat. (Dorland, 27th ed)

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).

Pneumonia
Acute inflammation or infection of the lungs.

Bacteremia
The presence of bacteria in the blood.

Family
1. A group of individuals related by blood or marriage or by a feeling of closeness. 2. A biological classification of related plants or animals that is a division below the order and above the genus. 3. A group of genes related in structure and in function that descended from an ancestral gene. 4. A group of gene products similarly related in structure and function and of shared genetic descent. 5. Parents and their children. The most fundamental social group in humans.



SIMILAR TERMS
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Acinar Cell Carcinomas
A malignant tumor arising from secreting cells of a racemose gland, particularly the salivary glands. Racemose (Latin racemosus, full of clusters) refers, as does acinar (Latin acinus, grape), to small saclike dilatations in various glands. Acinar cell carcinomas are usually well differentiated and account for about 13% of the cancers arising in the parotid gland. Lymph node metastasis occurs in about 16% of cases. Local recurrences and distant metastases many years after treatment are common. This tumor appears in all age groups and is most common in women. (Stedman, 25th ed; Holland et al., Cancer Medicine, 3d ed, p1240; from DeVita Jr et al., Cancer: Principles & Practice of Oncology, 3d ed, p575)

Acinetobacter calcoaceticus
A species of gram-negative, aerobic bacteria found in soil and water. Although considered to be normally nonpathogenic, this bacterium is a causative agent of nosocomial infections, particularly in debilitated individuals.

Acinetobacter Infections
Infections with bacteria of the genus ACINETOBACTER.

Acinonyx
Long-legged, swift-moving felines from Africa (and formerly Asia) about the size of a small leopard.

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."



PREVIOUS AND NEXT TERMS
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Acid, nucleic
"One of the molecules in the chromosomes of living cells and viruses that plays a central role in the storage and replication of hereditary information and in the expression of this information through protein synthesis. The two chief types of nucleic acids are:

Acid, pantothenic
Pantothenic acid is vitamin B5, one of the less well known B vitamins, perhaps because it is widely distributed in nature. Pantothenic acid is virtually ubiquitous. It is present in foods as diverse as poultry, soybeans, yogurt, and sweet potatoes. No naturally occurring disease due to a deficiency of pantothenic acid has been identified, due to the plentifulness of this vitamin. An experimental deficiency of pantothenic acid has, however, been created by administering an antagonist to pantothenic acid. This experiment produced disease, thereby demonstrating that pantothenic acid is essential to humans. Pantothenic acid was discovered in 1940.

Acid, trans fatty
An unhealthy substance, also known as trans fat, made through the chemical process of hydrogenation of oils. Hydrogenation solidifies liquid oils and increases the shelf life and the flavor stability of oils and foods that contain them. Trans fat is found in vegetable shortenings and in some margarines, crackers, cookies, snack foods and other foods.

Acid-base balance
Acid-base balance refers to the mechanisms the body uses to keep its fluids close to neutral pH (that is, neither basic nor acidic) so that the body can function normally.

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

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
This 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.

Acne, adult
Popular name for rosacea. For more information, see: Rosacea.

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