Also found in: Dictionary, Thesaurus, Encyclopedia.
Related to pseudocroup: Laryngitis subglottica


spasm of the larynx. adj., adj laryngis´mal.
laryngismus stri´dulus sudden laryngeal spasm with crowing inhalations, usually seen in children at night; called also pseudocroup.

lar·yn·gis·mus stri·d'u·lus

a spasmodic closure of the glottis, causing noisy inspiration. Compare: laryngitis stridulosa.


/pseu·do·croup/ (soo´do-krldbomacp) laryngismus stridulus.

la·ryn·gis·mus stri·du·lus

(lar'in-jiz'mŭs strid'yū-lŭs)
A spasmodic closure of the glottis, lasting a few seconds, followed by a noisy inspiration.
Compare: laryngitis stridulosa
Synonym(s): pseudocroup.