Total 63 clinical symptoms reported for Mucolipidosis type II  Very Frequent (13)Uncommon (4)Occasional (30)Frequent (16)

Abnormal atrioventricular valve physiology	Any functional defect of the mitral or tricuspid valve.	Very frequent
Abnormality of cardiovascular system morphology	Any structural anomaly of the heart and great vessels.   Synonyms:Cardiovascular malformations	Very frequent
Coarse facial features	Absence of fine and sharp appearance of brows, nose, lips, mouth, and chin, usually because of rounded and heavy features or thickened skin with or without thickening of subcutaneous and bony tissues.   Synonyms:Coarse face; Coarse facial appearance; Coarse facial features; Coarse facies	Very frequent
Expressive language delay	A delay in the acquisition of the ability to use language to communicate needs, wishes, or thoughts.   Synonyms:Deficit in expressive language	Very frequent
Gingival overgrowth	Hyperplasia of the gingiva (that is, a thickening of the soft tissue overlying the alveolar ridge. The degree of thickening ranges from involvement of the interdental papillae alone to gingival overgrowth covering the entire tooth crown.   Synonyms:Gingival enlargement; Gingival hyperplasia; Gum enlargement; Gum hypertrophy; Hypertrophic gingivitis	Very frequent
Hoarse voice	Hoarseness refers to a change in the pitch or quality of the voice, with the voice sounding weak, very breathy, scratchy, or husky.   Synonyms:Hoarse voice; Hoarseness; Husky voice	Very frequent
Motor delay	A type of Developmental delay characterized by a delay in acquiring motor skills.   Synonyms:Delay in motor development; Delayed early motor milestones; Delayed motor development; Delayed motor milestones; Locomotor delay; Motor developmental delay; Motor developmental milestones not achieved; Motor retardation; Retarded motor development	Very frequent
Postnatal growth retardation	Slow or limited growth after birth.   Synonyms:Growth delay as children; Growth retardation as children; Postnatal growth deceleration; Postnatal growth deficiency; Postnatal growth failure	Very frequent
Protuberant abdomen	A thrusting or bulging out of the abdomen.   Synonyms:Abdominal protuberance; Belly sticks out; Extended belly	Very frequent
Restricted chest movement	Synonyms:Restricted chest movement	Very frequent
Short stature	A height below that which is expected according to age and gender norms. Although there is no universally accepted definition of short stature, many refer to 'short stature' as height more than 2 standard deviations below the mean for age and gender (or below the 3rd percentile for age and gender dependent norms).   Synonyms:Decreased body height; Height less than 3rd percentile; Short stature; Small stature; Stature below 3rd percentile	Very frequent
Thickened skin	Laminar thickening of skin.   Synonyms:Pachydermia; Thick skin; Thickened skin	Very frequent
Umbilical hernia	Protrusion of abdominal contents through a defect in the abdominal wall musculature around the umbilicus. Skin and subcutaneous tissue overlie the defect.   Synonyms:Umbilical hernias	Very frequent