occult cleft palate

submucous cleft palate

a separation of the muscle in the soft palate in which mucous membrane covers the defect; it may appear as a notch of the hard palate and bifurcation of the uvula.
Synonym(s): occult cleft palate
Farlex Partner Medical Dictionary © Farlex 2012

oc·cult cleft pal·ate

(ŏ-kŭlt' kleft pal'ăt)
Lack of closure in the bone of the hard palate or muscle of the soft palate, but with full closure of the overlying surface tissues.
Synonym(s): submucous cleft palate.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
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(5) Features of the occult cleft palate include a flat nasal velum (reflecting a hypoplastic musculus uvulae), with or without visible diastasis of the velar musculature.