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. Author manuscript; available in PMC: 2016 Apr 27.

Published in final edited form as: Eye (Lond). 2010 Jan 15;24(3):408–415. doi: 10.1038/eye.2009.318

Table 1.

Time line of choriocapillaris development

WG	7	8	9	10	11	12	14	16	17	20	21	22	Adult
Endothelial cells
CD31^a	+		+			+			+		+		+
CD34^b	+		+			+			+		+		+
PAL-E^a	+		+			+			+		+		+
Fenestrations
PV-1^a	−		−			−			Week		+		+
TEM^a					None			A few				Many	Many
Pericytes
SMA^b	−					+						+	+
NG-2^b	Week					+						+	+
TEM^a					pp⁺/peri⁻							Definitive	Many
Haemo-Vas (Hb-ε⁺)^b		+	±			−	−		−		−		−
Angiogenesis (Ki67⁺)^b		−	±			+			+		+		−

^a

Data from reference #5.

^b

Data from reference #7.

Haemo-vas, haemo-vasculogenesis; TEM, transmission electron microscopy.