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 Wi-Fi Alliance defines Wi-Fi as any wireless local area network (WLAN) product based on the Institute of Electrical and Electronics Engineers ' (IEEE) 802.11 standards.However, the term Wi-Fi is used in general English as a synonym for  WLAN  since most modern WLANs are based on these standards.hese can connect to a network resource such as the Internet via a wireless network access point. Such an access point (or hotspot) has a range of about 20 meters (66 feet) indoors and a greater range outdoors.