collagen and cuticulin-based cuticle extracellular matrix +
collagen type XXVI trimer
collagen type XXVIII trimer
complex of collagen trimers +
EMILIN complex
extracellular matrix of synaptic cleft
hyaline layer +
interphotoreceptor matrix +
A specialized extracellularc matrix that surrounds the photoreceptors of the retina and lies between them and the apical surface of the retinal pigment epithelium. The IPM has been implicated in several important activities required for photoreceptor function and maintenance.