rete ridges

The pattern of rete ridges is often effaced.

They also occur in epidermal invaginations of the plantar foot surface called rete ridges.

The epithelial cells are usually hyperkeratotic and irregular, hyperplastic rete ridges are often seen.

The rete ridges are elongated and hyperplastic (pseudoepitheliomatous hyperplasia, which may be mistaken for carcinoma).

The necrotic epithelium is stripped from the connective tissue at the histologic level of the rete ridges.

Winkelmann (1959) reported the mucocutaneous boundary is a "specific erogenous zone with rete ridges where the nerve endings rise closer to the surface."

These off-color blemishes are caused by the tearing of the dermis, resulting in atrophy and loss of rete ridges.

It intertwines with the rete ridges of the epidermis and is composed of fine and loosely arranged collagen fibers.

Rete ridges ("rete tips") are epidermal thickenings that extend downward between dermal papillae.

The superficial papillary dermis interdigitates with the overlying rete ridges of the epidermis, between which the two layers interact through the basement membrane zone.

The rete ridges of the epithelium are well-formed and more of the nerves are close to the external surface of the skin than in normal-haired skin.

Under the microscope, KCOTs vaguely resemble keratinized squamous epithelium; however, they lack rete ridges and often have an artifactual separation from their basement membrane.

Rete pegs (or rete processes, or rete ridges) are the epithelial extensions that project into the underlying connective tissue in both skin and mucous membranes.

Tissue biopsy is not indicated, but when taken, the histologic appearance is one of increased epithelial thickness, broadening and eleongation of the rete ridges, parakeratosis and intracellular edema of the spinous layer.

The histology of lichen nitidus is significant for a "...localized granulomatous lymphohistiocytic infiltrate in an expanded dermal papilla with thinning of overlying epidermis and downward extension of the rete ridges at the lateral margin of the infiltrate, producing a typical 'claw clutching a ball' picture...."