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 is tough, and is the layer used to make leather. It can be divided into two regions: superficial region - (papillary dermis) the region around the dermal papillae, which makes up around 20% of the dermis. This layer contains loose connective tissue, and it has many capillaries. It extends up into the epidermis in small projections called dermal papillae.