EXAM #2 Ch 5-9

Front

What cell detects and produces an immune response against pathogens entering the skin?

Back

Langerhans (Dendritic) cell

Front

What are the channels connecting lacunae called?

Back

Caniculi

Front

What is the layer beneath the dermis called?

Back

Hypodermis

Front

What is the shiny white substance that covers the ends of bones at joints?

Back

Articular cartilage

Front

What process creates flat skull bones?

Back

Intramembranous Ossification

Front

What is the outermost layer of skin?

Back

Epidermis

Front

What is the primary function of keratinocytes?

Back

To produce keratin, a protein that protects the skin.

Front

What is the role of melanocytes in the skin?

Back

To produce melanin, which gives skin its color and protects against UV radiation.

Front

What is the function of the periosteum?

Back

To provide a protective layer and serve as an attachment point for muscles and tendons.

Front

What is the central canal in bone tissue called?

Back

Central (Osteonic) canal