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.
And remember, the dermis is divided into two layers: the papillary layer, which is made up of loose irregular connective tissue, and the reticular layer, made up of dense irregular connective tissue. And let's not forget the last layer, the hypodermis, which separates the muscles from the skin.