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.
So what is the difference between WiFi and WLAN? WLAN is the wireless network of devices connected with radio signals based on IEEE 802.11. WiFi (Wi-Fi) is a term used for a family of products that work in WLAN networks.