Integumentary system part I
Which epidermal layer is present only in thick skin?
Stratum lucidum
This skin pigment protects cells from UV light
Melanin
This bone cell type is derived from monocytes
Osteoclasts
Femur is this type of bone
Long bones
The knee cap is also known as:
Patella
Cell division continuously occurs in this epidermal layer
Stratum basale
Keratinocytes
This type of bone fracture only occurs in children
Greenstick
The bone is also known as the Axis
C2
This is the only tarsal bone that articulates with the leg bones
Talus
This is the most common type of sweat gland
Eccrine sweat gland
This is a major cell type found in the skin and is involved in the immune response
Langerhans cells
This process, meaning blood cell production, happens in red bone marrow
Hematopoiesis
There are 5 _____ vertebrae
Lumbar
How many metacarpal bones are in one hand?
5
In this phase of deep wound healing, epithelial cells migrate and fill the wound
Migratory phase
Excessive stretching in this region of the dermis during pregnancy causes stretch marks
Reticular region
This hormone decreases blood calcium by stimulating osteoblasts to make bones
Calcitonin
This type of bone marking can form a joint with fossa
Condyle
Tibia and fibula are joined by the _____ membrane
Interosseous
Epidermal wound healing involves enlargement and migration of this cell type
Basal cells (stratum basale)
All 4 basic tissue types are found in the integumentary system: epithelium, connective tissue, muscle, nervous tissue
This is the first step in intramembranous ossification
Ossification center forms
These facial bones are NOT in pairs
Mandible, vomer
>90o