- Sesamoid bones (axial and appendicular) Examples
- Living layer, but where cells are beginning to die
- Protects against heat loss and sunlight (UV rays)
- A single row of stem cells rapidly undergo mitosis, creating keratinocytes and pushing them up
- Produces a substance that blocks UV radiation from damaging keratinocytes
- 20 to 30 layers of squamous anucleate keratinocytes
- This part of the hair determines its texture
- Keraratinocytes are connected by desmosomes that make them appear spiny
- highly keratinized; protects against abrasion and penetration and waterproofs the skin
- Part of the hair embedded in the skin
- Becomes terminal hair in males during puberty
- Sweat includes fat, causing it to be mikly and viscous
- ingest foreign substances and activate the immune system
- Tunnel in the epidermis that grows hair
- Where oxygen and nutrients are dropped off in the demis (and CO2 and waste are removed)
- Part of the hair above skin's surface
- Where keratinocytes produce keratohyalin granules which helps to form keratin in the upper layers of the epidermis
- Which directional term describes the location of the hypodermis in relation or your skin
- Produced in the stratum basale, but get pushed up by new cells beneath them
- In the parathyroid glands, it releases______