Anastomosis of lacrimal sac to conjunctival sac

Coelomic sac Coelom sac

peripodial sac peripodal sac

C-shaped and L-shaped flap

sand shaped and mixed shaped alumna

single U shaped and double U shaped vertical borehole

abdominal sac

accessory sac

air sac

air sac dilation

Air sac lesion

air sac press - cover

air sac press-cover

air sac sealing

air-sac urethral catheter

albbumen sac

Albumen sac

allanto-chorionic sac

allantoic sac