An infectious, painful, ragged venereal ulcer at the site of infection by Haemophilus ducreyi, beginning after an incubation period of 3–7 days; seen more commonly in men; Gram-negative streptobacilli may be identified by staining material from the ulcer. SYN: soft chancre, soft sore, soft ulcer, venereal sore, venereal ulcer. [chancre + G. eidos, resemblance]

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chan·croid 'shaŋ-.krȯid n a venereal disease caused by a hemophilic bacterium of the genus Haemophilus (H. ducreyi) and characterized by chancres that differ from those of syphilis in lacking firm indurated margins called also soft chancre see DUCREY'S BACILLUS
chan·croi·dal shaŋ-'krȯid-əl adj

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chan·croid (shangґkroid) [chancre + -oid] a sexually transmitted disease caused by Haemophilus ducreyi, characterized by a painful primary ulcer at the site of inoculation, usually on the external genitalia, associated with regional lymphadenitis. See also mixed chancre, under chancre. Called also soft chancre and soft ulcer. chancroidal adj

Chancroid of the penis, with draining buboes in the adjacent groin area.

Medical dictionary. 2011.

Look at other dictionaries:

  • Chancroid — Classification and external resources Photomicrograph of H. ducreyi ICD 10 A …   Wikipedia

  • Chancroid — Chan croid, n. [Chancre + oil.] (Med.) A venereal sore, resembling a chancre in its seat and some external characters, but differing from it in being the starting point of a purely local process and never of a systemic disease; called also {soft… …   The Collaborative International Dictionary of English

  • chancroid — [shaŋ′kroid΄] n. [ CHANCR(E) + OID] an infectious venereal ulcer, usually on or about the genitals, caused by a bacterium (Hemophilus ducreyi); soft chancre …   English World dictionary

  • chancroid — (shang kroid) A sexually transmitted disease caused by the gram negative bacterium Haemophilus ducreyi. Worldwide, chancroid is an important cofactor in the transmission of the AIDS virus. Also known as genital ulcer disease due to the painful… …   Dictionary of microbiology

  • chancroid ulcer — chancroid …   Medical dictionary

  • chancroid — /ˈʃæŋkrɔɪd/ (say shangkroyd) Pathology –noun 1. a soft, non syphilitic venereal sore. 2. the causative organism, Haemophilus ducreyi. –adjective 3. of, relating to, or resembling a chancroid or chancre …  

  • chancroid — noun Date: 1861 a venereal disease caused by a bacterium (Hemophilus ducreyi) and characterized by chancres unlike those of syphilis in lacking firm indurated margins called also soft chancre • chancroidal adjective …   New Collegiate Dictionary

  • chancroid — chancroidal, adj. /shang kroyd/, n. Pathol. an infectious venereal ulcer with a soft base. Also called simple chancre, soft chancre. [1860 65; CHANCRE + OID] * * * ▪ pathology       acute, localized, chiefly sexually transmitted disease, usually… …   Universalium

  • chancroid — noun a) A sexually transmitted infection characterized by painful sores on the genitalia. b) A sore characteristic of this infection …   Wiktionary

  • chancroid — n. type of ulcer or sore …   English contemporary dictionary

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