释义 |
elastic fibre noun[ C ] anatomy UKspecialized(USelastic fiber)uk /iˌlæs.tɪk ˈfaɪ.bər/ us /iˌlæs.tɪk ˈfaɪ.bɚ/ a thin fibre(= thread-like tissue) found in sheets in organs and structures of the body, such as the skin, blood vessels, and lungs, which allow them to be strong and to stretch: Sunlight penetrates the layers of skin, damaging the collagen and elastic fibres. These are mounds of tissue containing elastic fibres, smooth muscle, and collagen. The ageing process involves a loss of elastic fibres of the neck, resulting in sagging of the skin. Elastin is the major component of elastic fibres in arterial walls. Reduced elastic fibres and increased fibrosis lead to aortic stiffening. SMART Vocabulary: related words and phrases Substances & structures in the body abductor accessorius ACL actin adductor funiculus fusiform glomerular glomerulus GnRH navicular neuroendocrine neurohormonal neurohormone nociceptive tendinous tendinum tendo tensor Th |