The epidermis has no blood vessels.
all epithelial tissue is avascular
Lichen planus is a self allergy of the skin or mouth which affects mostly middle age people. Avascular necrosis is the dead bone tissue caused by lack of blood supply which is also found usually in middle age people
YES
Cornea
Avascular means that they lack the blood supply to carry needed oxygen and other nutrients required to heal tissues.
epidermis
Epidermis
The term "avascular" actually means lacking in blood vessels. What we call "skin" is actually layers of epithelial tissue, all of which is avascular. So, I suppose all parts of the skin are avascular, but epithelial tissue doe lie upon a layer of vascular connective tissue.
The epidermis of the skin has no blood supply.
Yes, the epidermis itself is avascular, because the cells of the epidermis are not alive. The dermis layer of skin however, relies on blood vessels.
pupil
The epidermis is avascular, while the dermis is richly vascularized.
Avascular tissue is that which does not contain blood vessels or lymphatics. Examples include: The epithelial layer of the skin, cartilage, and the cornea and lens of the eye. There are some types of connective tissue that are composed of elastic fibers that are avascular, too.
no veins in cartilage.
the epidermis is avascular
No. Avascular means that it does not get blood.
Yes, a Venus Flytrap is avascular.