bone lacuna a small cavity within the bone matrix, containing an osteocyte; from it slender canaliculi radiate and penetrate the adjacent lamellae to anastomose with the canaliculi of neighboring lacunae, thus forming a system of cavities interconnected by minute canals.acuna, absorption (Howship's lacuna), n an area (pit) of bone resorption, usually irregular in outline, and often containing osteoclasts.
Wide area network. A wide area network (WAN) is a telecommunications network or computer network that extends over a large geographical distance. Wide area networks are often established with leased telecommunication circuits.
The WWAN FCC ID or WLAN FCC ID is  a certification number applied to wireless devices. WWAN or WLAN signifies it is a wireless device used for networking (often found in laptops and notebooks). This FCC ID certification number can be searched here.