extracellular matrix

Question 1

elastic fibres: property

Answer 1

elasticity of tissues (skin, vessels, lungs)

Question 2

what are elastic fibres interwoven with and why

Answer 2

collagen to limit stretching extent

Question 3

elastic fibres: structure

Answer 3

core of elastin, microfibrils (fibrillin)

Question 4

genetic condition associated with mutation in fibrillin-1

Answer 4

Marfan’s syndrome

Question 5

symptoms of Marfan’s syndrome

Answer 5

arm span>height, aortic ruptures

Question 6

elastin structure

Answer 6

alternating cross-linked hydrophobic and a-helical regions of alanine and lysine; stretch and relax