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A threaded version of a BNC.
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BNC connector

(Bayonet Nut Coupling) A commonly used plug and socket for audio, video and networking applications that provides a tight connection. Using a mount somewhat similar to the way a bayonet (knife) is mounted onto the end of a rifle, BNCs are used to connect a variety of different coaxial cable types. After the plug is inserted, it is turned, causing pins in the socket to be pinched into a locking groove on the plug.

TNC (Threaded Nut Coupling)
For a more secure connection, TNC is a threaded version of BNC that uses screw threads instead of a locking pin and slot.

A Lotta Names
There are numerous definitions of the BNC acronym, including Bayonet Neill-Concelman (after its inventors), Barrel Nut Connector, Bayonet Nipple Connector, Bayonet Navy Connector, Baby N Connector, British Naval Connector and British National Connector. See A/V ports, coaxial cable and plugs and sockets.

BNC Connector
BNCs differ from many connectors because of their snap-lock architecture, which keeps the plug firmly in its socket.

transportation network company

An organization such as Uber and Lyft that uses mobile apps to enable people to secure individual and carpooling rides from drivers who use their own vehicles. The GPS capability in the smartphone identifies the pick-up location and keeps the customer informed in real time when the car will arrive.

No Cash
Billing is automatically handled via pre-registered credit cards, and although tipping is enabled in the app, nothing prevents the passenger from handing the driver cash. Initially treated as contractors, drivers became classified as employees in Britain. The transportation companies are increasingly challenged by jurisdictions to change driver status to employee.

Also called a "ridehailing" or "ridesharing" service, in 2013, the California Public Utilities Commission created the transportation network company category to deal with these services. See Uber and Lyft.
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References in periodicals archive ?
In the mice studies, rodents genetically engineered to lack tenascin-C showed no evidence of neovascularization, suggesting the protein is crucial to the process.
P Erickson, "Tenascin-C, tenascin-R and tenascin-X: a family of talented proteins in search of functions," Current Opinion in Cell Biology, vol.
Virtanen, "Expression of tenascin-C in intraductal carcinoma of human breast: relationship to invasion," European Journal of Cancer, vol.
* The FNA-D Region of Tenascin-c and Neuronal Regeneration Sally Meiners, Ph.D., Investigator Robert Wood Johnson Medical School, Piscataway, N.J.
Tenascin-c, tenascin-r and tenascin-x: a family of talented proteins in search of functions.
They add that high levels of tenascin-C present in joints, therefore, may cause the activated immune system to attack the joint leading to the persistent inflammation of rheumatoid arthritis.
PNNs are comprised of ECM proteins including hyaluronan, linking proteins [e.g., cartilage link protein 1 (Crtl1/Hapln1) and brain-specific link protein (Bral2/Hapln4)], CSPGs, and tenascin-R (TN-R) [142], with one further study also identifying tenascin-C (TN-C) by immunoblot within PNNs [143] (Figure 1) (Table 1).
Tenascin-C promotes differentiation of rat dental pulp cells in vitro.
Tenascin-C (Tn-C) overexpression was also related to this mammographic and histopathological picture.
Expression of collagen types I and III, fibronectin, and tenascin-C in each group was evaluated by immunofluorescent staining.
Tenascin-C is a large (180-300 kDa), hexameric multidomain glycoprotein and located mainly in the ECM.
Researchers at Duke Medicine have for the first time identified the protein, called Tenascin-C or TNC, which had previously been recognized as playing a role in wound healing, but had not been known to have antimicrobial properties.