Pressure sores can occur, for example, when you sit or lie in one position too long. Shearing is also a kind of pressure injury. It happens when the skin moves one way and the bone underneath it moves another way.
Quick Answer. Greer's goo is a type of barrier cream used in the treatment of intertrigo. Its composition is a mixture containing nystatin powder, hydrocortisone powder and zinc oxide paste, states Medscape. Intertrigo, which is a skin rash, manifests as diaper rash in babies.
Pronounced GOO-ee. Acronym for graphical user interface, a program interface that takes advantage of the computer's graphics capabilities to make the program easier to use. See Webopedia's graphical user interface definition for a detailed description.