Nerve
A nerve is an enclosed, cable-like bundle of axons (nerve fibers, the long and slender projections of neurons) in the peripheral nervous system. A nerve provides a common pathway for the electrochemical nerve impulses that are transmitted along each of the axons to peripheral organs.
In the central nervous system, the analogous structures are known as tracts. Neurons are sometimes called nerve cells, though this term is potentially misleading since many neurons do not form nerves, and nerves also include non-neuronal Schwann cells that coat the axons in myelin.
Each nerve is a cordlike structure that contains many axons. Within a nerve, each axon is surrounded by a layer of connective tissue called the endoneurium. The axons are bundled together into groups called fascicles, and each fascicle is wrapped in a layer of connective tissue called the perineurium. Finally, the entire nerve is wrapped in a layer of connective tissue called the epineurium.
Anatomy
Nerves are categorized into three groups based on the direction that signals are conducted:
Nerve (2013 film)
Nerve is a 2013 Australian psychological thriller film currently filming directed by Sebastien Guy. It stars Christian Clark and Georgina Haig.
Cast
External links
Nerve (upcoming film)
Nerve is an upcoming American drama thriller film directed by Henry Joost and Ariel Schulman and written by Jessica Sharzer, based on the novel Nerve by Jeanne Ryan. The film stars Dave Franco, Emma Roberts, Kimiko Glenn, Juliette Lewis, Emily Meade and Marc John Jefferies. Principal photography began on April 13, 2015 in New York City.
Cast
Production
In February 2014, it was announced that Henry Joost and Ariel Schulman would be directing the film, from a screenplay by Jessica Sharzer, based on the novel of the same name by Jeanne Ryan. In January 2015, it was announced that Emma Roberts and Dave Franco had joined the cast of the film. In April 2015, it was announced that Kimiko Glenn had joined the cast of the film, portraying the role of Emma Robert's characters worried friend. That same day, it was announced that rapper Richard "MGK" Baker had joined the cast of the film.
Detonator
A detonator is a device used to trigger an explosive device. Detonators can be chemically, mechanically, or electrically initiated, the latter two being the most common.
The commercial use of explosives uses electrical detonators or the capped fuse which is a length of safety fuse to which an ordinary detonator has been crimped. Many detonators' primary explosive is a material called ASA compound. This compound is formed from lead azide, lead styphnate and aluminium and is pressed into place above the base charge, usually TNT or tetryl in military detonators and PETN in commercial detonators.
Other materials such as DDNP (diazo dinitro phenol) are also used as the primary charge to reduce the amount of lead emitted into the atmosphere by mining and quarrying operations. Old detonators used mercury fulminate as the primary, often mixed with potassium chlorate to yield better performance.
Types
Ordinary detonators
Ordinary detonators usually take the form of ignition-based explosives. Whilst they are mainly used in commercial operations, ordinary detonators are still used in military operations. This form of detonator is most commonly initiated using safety fuse, and used in non time-critical detonations e.g. conventional munitions disposal. Well known detonators are lead azide, Pb(N3)2, silver azide (AgN3) and mercury fulminate [Hg(ONC)2].
Detonator (film)
Detonator (film) may also refer to:
Detonator (EP)
Detonator is Fearscape's debut EP.
Track listing
Podcasts:
