Rib healing: No real good studies on rib fractures. They can hurt for weeks or longer depending on how bad the fractures are. Usually walking around is good.
Subcutaneous tissue. The subcutaneous tissue, also called the subcutis, hypodermis, hypoderm, subcutis, or superficial fascia, is the lowermost layer of the integumentary system in vertebrates.
What is the medical term for the lower back? Full Answer Subcutaneous tissue contains blood vessels, lymphatic vessels, fat, hair follicle roots, collagen and elastin fibers, Ruffini endings (bulbous corpuscles), Pacinian corpuscles (Lamellar corpuscles), hair follicle roots, sweat glands, and mast cells.