文档介绍：A queous prod u ction
Aqueou s h umour is pro due e d fr o m pl a sma b y the c i 1 i ary epith e lium of th e c ilia ro flow、
The j u x t a canali c ular （cr i b riform ） m e shwork i s the o ut e r p art o f the
trabeculum, and links the c o r n e oscleral meshwork with t he e nd o theliumof t h
e i n n e r w all of t h e c anal o f Schlemm> I t con sist s of c e 1 1 s embedd e d i n a dense ex t rac e 1 1 ular mat r ix wi t h nar r ow i nte r c e llul a r s paces, and offers the ma j or proport i o n of n ormal resi s t a nee to a qu e ous outflow >
The Schlemm c an a 1 is a cir c umferen t ial c h a n nel with i n the p e rilimb a 1 s c
1 er a > Th e in n er w a 1 1 is 1 ined by i rreg u la r spindle一shaped e ndo t helia 1 cell s c o ntai n i n g infol d ing s （giant vacuo 1 e s ） th a t are t hou g ht to c o nv e y aq u eous v i a the formation o f trans c e 1 lular po r es> The outer wa 1 1 is li n e d b y sm o oth f 1 at cel 1 s and con t ains the open i ngs of col 1 ect o r c h a n nel s , which 1 ea v e the c a n al at obi i que a ngle s an d connect dir ectl y or in d irectly with epis c le r a 1 veins > S e pta m o nly divid e the 1 u m e n in t o 2 -4 chann e Is、[1]
A n a t o my of o u t f 1 ow ch a nn e Is： A, Uveal mes h wor k ; B , com e o scleral mesh work; C, Schwa 1 b e lin e ; D, Schlemm c anal； E, connector cha n nels; F, Ion g i tudinal m u scle of t