Diagram Of Basement Membrane Zone
Structure of the dermis and subcutis.
Diagram of basement membrane zone. The cytoplasmic plaque proteins acting as linkers. 85 the molecular organization of the hd is based on three classes of proteins. It has an undulating surface with cross crossing ridges and valleys with invaginations due to follicles and sweat duct ostia. Vidal md faad and supported by a grant from the aad s sulzberger institute for dermatologic education.
Basement membranes attach layers of tissues in the body. Name specific structural components of the basement membrane zone dermis and subcutis. This complimentary 3d animated video lecture will take you step by step through the basement membrane zone including structure origins and functions. This video series and lecture were created by eduardo m.
The dermis supports the epidermis providing nutrients and protecting it. Another frequently encountered term in the literature is the basement membrane zone bmz ultrastructurally composed of the hd the upper lamina lucida the lower lamina lucida the lamina densa and the sublamina densa which is the uppermost region of the stroma. Healing sleep music stronger immune system binaural delta wave sleep music duration. The epidermis has a complex structure designed to protect from the environment.
It consists of lamina lucida and lamina densa mainly containing laminin and type iv collagen networks. The epidermal basement membrane zone can be viewed as a thin sheet of matrix underlying the basal epithelial cells. The basement membrane zone is the communication channel between epidermis and dermis. As seen with the electron microscope the basement membrane is composed of two layers the basal lamina and the underlying layer of reticular connective tissue the underlying connective tissue attaches to the basal lamina with collagen vii anchoring fibrils and fibrillin microfibrils the two layers together are collectively referred to as the basement membrane.