Proximal phalangeal fractures are relatively common and may result in a great deal of disability. The mechanism of action usually results from a direct perpendicular force, a rotary force, or hyperextension of the finger. The physical examination is the same as that for distal phalangeal fractures (see above).
Dense irregular connective tissue are tissue types found in the dermis. subcutaneous layer. The Dermis of the skin is composed of Dense Irregular Connective Tissue. skin tissue.
The dermis has two layers: 1  papillary dermis â made up of loosely woven connective tissue fibers embedded in a jelly-like substance known as ground substance. 2  reticular dermis â thicker and deeper and is made up of dense connective tissue that is irregularly arranged, providing additional support.