The First Discovery of the Water-Soluble Material Used in Contact

question 1

Multiple Choice

The first discovery of the water-soluble material used in contact lenses is an example of

• A)innovation.
• B)invention.
• C)creative destruction.
• D)diffusion.

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Definitions:

Sebaceous Gland

A type of skin gland that produces sebum, an oily substance that helps to keep the skin and hair moisturized.

Sweat Gland

Small tubular structures of the skin that produce sweat, a fluid composed of water, minerals, and waste products.

Adhesion Belt

A cell structure composed of cadherin proteins that encircles a cell, promoting cell-cell adhesion and tissue integrity.

Intercalated Disks

Specialized cell-cell junctions in cardiac muscle that facilitate the synchronized contraction of the heart by allowing the rapid passage of ions and electrical impulses.