Haemophilus (redirected from Meningitis, haemophilus)

Haemophilus /Hae·moph·i·lus/ (he-mof´ĭ-lus) a genus of hemophilic gram-negative bacteria (family Pasteurellaceae) including H. aegyp´ticus, the cause of acute contagious conjunctivitis; H. ducrey´i, the cause of chancroid; H. influen´zae (once thought to be the cause of epidemic influenza), the cause of lethal meningitis in infants; and H. vagina´lis, associated with, and possibly the cause of, vaginitis.

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Hae·moph·i·lus or He·moph·i·lus (h-mf-ls)

n.

A genus of aerobic to facultatively anaerobic parasitic bacteria of the family Brucellaceae that contain minute, gram-negative, rod-shaped cells.

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Haemophilus

[hēmof′iləs]

Etymology: Gk, haima, blood, philein, to love

a genus of gram-negative rod-shaped pathogenic bacteria, frequently found in the respiratory tract of humans and other animals. Examples are H. influenzae, which causes respiratory tract infections and one form of meningitis; H. haemolyticus, a hemolytic species pathogenic in the upper respiratory tract of humans; and H. ducreyi, which causes chancroid. Haemophilus species are generally sensitive to cephalosporins, tetracyclines, and sulfonamides.

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habituation,

n a state in which an individual involuntarily tends to continue the use of a drug. Generally refers to the state in which an individual continues self-administration of a drug because of psychologic dependence without physical dependence.

Haemophilus

n a genus of gram-negative pathogenic bacteria, frequently found in the respiratory tract of humans and other animals.
Haemophilus are generally sensitive to cephalosporins, tetracyclines, and sulfonamides.

H. influenzae,

n a small, gram-negative, nonmotile, parasitic bacterium that occurs in two forms, encapsulated and nonencapsulted, and in six types: A, B, C, D, E, and F. Almost all infections are caused by the encapsulated type B organisms. It is found in the throats of 30% of healthy, normal people. It may cause destructive inflammation of the larynx, trachea, and bronchi in children and debilitated older people.

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Haemophilus

a genus of hemophilic gram-negative coccobacilli or rod-shaped bacteria.

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Haemophilus agni

see H. somnus now called Histophilussomni.

Haemophilus avium

now called Avibacteriumavium.

Haemophilus bovis

see moraxellabovis.

Haemophilus equigenitalis

see taylorella equigenitalis.

Haemophilus gallinarum

now classified as Avibacteriumparagallinarum.

Haemophilus haemoglobinophilus

found on canine genitalia; sometimes linked to puppy mortality but not often a cause of disease.

Haemophilus influenzaemurium

the cause of respiratory disease and conjunctivitis in mice.

Haemophilus ovis

now called Histophilus somni.

Haemophilus paracuniculus

may be associated with mucoid enteropathy in rabbits.

Haemophilus paragallinarum

now called Avibacteriumparagallinarum.

Haemophilus parahemolyticus (syn. Haemophilus pleuropneumoniae)

see actinobacilluspleuropneumoniae.

Haemophilus parainfluenzae

reputed to cause a syndrome in pigs similar to Glasser's disease (H. suis, H. parasuis).

Haemophilus parasuis

a common concurrent infection with swine influenza virus and causes glasser's disease of swine.

Haemophilus piscium

a cause of ulceration of the gills and mouth of trout.

Haemophilus somnus

now called Histophilus somni.

Haemophilus suis

now classified as H. parasuis (above).

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Haemophilus

Microbiology A genus of nonmotile gram-negative rods that require blood for growth and cause RTIs, meningitis, and STDs