MICROANATOMY

Detailed explanation-1: -The word innervate sounds like what it is-it means to “put the nerves into” something. When nerves go into muscle fiber, they innervate the muscle fiber. Innervate is to supply nerves to something, but it can also mean to energize. Think of all the energy you have when you get nervous!

Detailed explanation-2: -A nerve fiber is defined as an axon plus its associated Schwann cells. From: Peripheral Neuropathy (Fourth Edition), 2005.

Detailed explanation-3: -The brachial plexus is a collection of nerve fibres that supply motor and sensory innervation to the upper limb. It originates from nerve roots C5 to T1 and, as it passes through the axilla, merges the nerve fibres from these roots into different nerve branches.

Detailed explanation-4: -Innervated Muscles When nerves enter the muscle fibres, it innervates the fibres. To innervate is to supply nerves with something in addition to also energizing it. All nerve fibres that supply the muscles are intact.