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.
Note: The acronym WAN is sometimes used to describe a wireless area network, though it's most often abbreviated as WLAN. Since WANs, by definition, cover a larger distance than LANs, it makes sense to connect the various parts of the WAN using a virtual private network (VPN).
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.