Question

which layer of the epidermis is known as the horny layer and consists of 20 - 30 layers of dead cells bound tightly together to prevent water loss? stratum spinosum stratum basale stratum lucidum stratum corneum

Explanation:

The stratum corneum is the outermost layer of the epidermis. It is often called the "horny layer" because it consists of 20 - 30 layers of dead, keratin - filled cells. These cells are tightly bound together, forming a protective barrier that helps prevent water loss from the body. This layer also provides protection against physical, chemical, and microbial insults.

Answer:

Stratum corneum