The phrase "gelatinous substance" refers to a material or substance that has a thick, jelly-like consistency. It is similar to gelatin dessert or jelly, which is wobbly and somewhat solid, but still soft and squishy.
Sentences with «gelatinous substance»
Amazingly you can eat the entire green almond — fuzzy hull as well as the soft pale seed that's filled with an interesting gelatinous substance. (petitworldcitizen.com)
These fibers bind with the water in the intestines, thus forming a thick gelatinous substance that will remain longer in your gut. (fitnessandpower.com)
Within each follicle is a colloid (a semi-liquid gelatinous substance). (recoveringwitht3.com)