A Motor Neuron and the Muscle Fibers That It Controls Constitute

question 74

True/False

A motor neuron and the muscle fibers that it controls constitute a motor unit.

---

Definitions:

Strabismus

A condition in which the eyes do not properly align with each other when looking at an object, leading to a lack of coordinated eye movement.

Blepharitis

An inflammation of the eyelid margins, often causing redness, itching, and dandruff-like scales.

Ptosis

A medical term used to describe drooping of the upper eyelid, which can affect one or both eyes.

Glaucoma

A group of eye conditions that damage the optic nerve, often due to abnormally high pressure in the eye, leading to vision loss if untreated.