Epidermis Cells
Top layer that has tough and water-repellant cells.
Stratum corneum
Expanded base of follicle.
Bulb
Attaches nail to finger.
Hyponychium
Found all over body.
Eccrine glands
Region having adipose cells.
Reticular region
Layer that has thorn-like projections.
Stratum spinosum
Epidermal cells surrounding root.
Follicle
Extends under skin at proximal end of nail body.
Root
Secretes sebum (oil) into hair follicles.
Sebaceous glands
Region having few blood vessels.
Papillary region
Layer found only in thick skin.
Stratum lucidum
Part hair that extends into dermis.
Root
Crescent shaped area distal to root.
Lunula
Becomes active at puberty; viscous sweat.
Apocrine glands
Touch receptors
Meissner corpuscle
Layer that has pigmented granules.
Stratum granulosum
Projects into follicle providing blood vessels.
Papillae
Extends beyond digit.
Free edge
Secrets waxy substance (cerumen) in ear canal.
Ceruminous glands
Pressure receptors
Pacinian corpuscle
Deepest layer that has stem cells that divide to produce new cells.
Stratum basale
Forms new hair cells located in bulb.
Matrix
Visible, transparent part of nail.
Nail body
Eccrine and apocrine glands are this type.
Sudoriferous glands
Create goosebumps
Arrector pili muscle