Fascia_cribrosa
Cribriform fascia
Portion of fascia covering the saphenous opening in the thigh
The cribriform fascia, fascia cribrosa, also Hesselbach's fascia, is the portion of fascia covering the saphenous opening in the thigh. It is perforated by the great saphenous vein and by numerous blood and lymphatic vessels. (A structure in anatomy that is pierced by several small holes is referred to as cribriform from Latin cribrum meaning sieve).[1]