avascular
Lacking blood supply
Avascular means lacking blood vessels or blood supply.
The term appears in medical contexts: avascular necrosis is tissue death caused by interrupted blood flow to bone.
Cartilage is naturally avascular, receiving nutrients through diffusion rather than direct blood supply.
The cornea of the eye is another avascular structure.
Insufficient tissue blood supply
- necrosisLocalized cell death
- infarctDead tissue from blocked artery
- hypoxiaInsufficient tissue oxygenation
- anoxiaAbsence of oxygen supply
cartilage · cornea · osteonecrosis · thrombosis · occlusion · perfusion · revascularization · angiogenesis
Flexible connective body tissue
- corneaEye's clear outer dome
- epidermisOutermost tissue layer
- epitheliumTissue covering body surfaces
- ligamentConnective tissue between bones
tendon · meniscus · hyaline · connective tissue · synovial · fibrocartilage · lens
ischemia
Insufficient tissue blood supply
- necrosisLocalized cell death
- infarctDead tissue from blocked artery
- hypoxiaInsufficient tissue oxygenation
anoxia · cartilage · cornea · osteonecrosis · thrombosis · occlusion · perfusion · revascularization · angiogenesis · microcirculation
cartilage
Flexible connective body tissue
- corneaEye's clear outer dome
- epidermisOutermost tissue layer
- epitheliumTissue covering body surfaces
ligament · tendon · meniscus · hyaline · connective tissue · synovial · fibrocartilage · lens
xylem
Plant water conduit
- phloemPlant sugar-transport tissue
- parenchymaFunctional tissue of organs
- meristemPlant growth tissue
cuticle · epidermis · liverwort · moss · hornwort · thallus · gametophyte