Speech Difficulties in Down Syndrome. Down syndrome (DS) is an incurable genetic disorder that has a profound impact upon a personâs physical, mental, and social development. Children with DS have anatomical and physiological differences in the mouth and throat region that affect feeding, swallowing, and oral motor skills.
1 A gross refers to a group of 144 items (a dozen dozen or a square dozen).  A great gross refers to a group of 1728 items (a dozen gross or a cubic dozen).
Gross (unit) A gross refers to a group of 144 items (a dozen dozen or a square dozen). A great gross refers to a group of 1728 items (a dozen gross or a cubic dozen). A small gross or a great hundred refers to a group of 120 items (ten dozen).