Abnormal dermoepidermal hemidesmosome morphology Absent dermoepidermal hemidesmosomes 2022-05-11T12:26:02Z Lack of demonstrable hemidesmosomes at the dermoepidermal junction. Hemidesmosomes are the specialized junctional complexes, that contribute to the attachment of epithelial cells to the underlying basement membrane in stratified and other complex epithelia, such as the skin.