▁joins ▁the ▁y olk ▁sac ▁to ▁the ▁mid g ut ▁l umen ▁of ▁a ▁human ▁emb ry o ▁ ▁Vit ell ine ▁memb rane , ▁memb rane ▁surrounding ▁an ▁ov um ▁ ▁Vit ell ine ▁ve ins , ▁ve ins ▁that ▁d rain ▁blood ▁from ▁the ▁y olk ▁sac ▁ ▁Bird s ▁ ▁Vit ell ine ▁mask ed ▁we aver ▁( P lo ce us ▁vit ell inus ), ▁a ▁species ▁of ▁bird ▁en demic ▁to ▁Africa ▁ ▁Vit ell ine ▁war b ler ▁( Set oph aga ▁vit ell ina ), ▁a ▁song bird ▁species ▁found ▁in ▁the ▁C ay man ▁Islands ▁and ▁H ond uras ▁ ▁See ▁also ▁ ▁Vit ell in , ▁a ▁protein ▁found ▁in ▁egg ▁y olk ▁ ▁Vit elli , ▁a ▁surname <0x0A> </s> ▁Black ridge ▁( , ▁) ▁is ▁a ▁small ▁town ▁in ▁the ▁western ▁part ▁of ▁West ▁L oth ian , ▁Scotland . ▁ ▁The ▁village ▁name ▁dates ▁to ▁ 1 5 8 1 , ▁first ▁recorded ▁as ▁Bla k rig . ▁ ▁Later , ▁Black rig ▁and ▁then ▁Black rig g ▁became ▁the ▁standard ▁sp elling ▁until ▁Black ridge ▁became ▁the ▁norm ▁in ▁official ▁documents ▁after ▁about ▁ 1 8 4 0 . ▁ ▁Black rig ▁remains ▁the ▁local ▁pron unci ation . ▁ ▁The ▁population , ▁as ▁of ▁the ▁mid - 2 0 1 3 ▁estimate , ▁of ▁Black ridge ▁is ▁ 1 , 9 2 6 . ▁Please ▁note ▁this ▁also ▁includes ▁West rig gs . ▁▁ ▁The ▁modern ▁village ▁dates ▁from