What is the Modiolus of mouth?

What is the Modiolus of mouth?

The Latin term modiolus literally means “the nave of a wheel” and in dentistry refers to the point lateral to the angle of the mouth where several facial muscles converge. It has been described as coinciding with a muscular or tendinous node in the cheek and is considered to be important clinically.

What prevents the eyelids from sticking together when the eyes close?

The eyelid has sebaceous glands that make an oily secretion that prevents the watery film on the eye from evaporating and the eyelid from sticking together.

When we move from darkness to bright light retinal sensitivity is lost but visual acuity is gained?

When we move from darkness to bright light, retinal sensitivity is lost, but visual acuity is gained. The function of the lens of the eye is to allow precise focusing of light on the retina. Each olfactory cortical neuron receives input from one receptor at a time. Odorants must be volatile to be smelled.