Integumentary System
The cutaneous membrane is made of...
How many layers make up thin skin?
4 - Corneum, Granulosum, Spinosum, Basale
What gland is within the hair gland that produces oil?
Sebaceous glands
What are the building blocks for all living things?
cells
What kind of tissue would you find in the small intestines?
Simple columnar epithelia
The three accessory structures are...
Hair follicles, Exocrine Glands, Nails
Which layer of skin is only found in thick skin?
Lucidum
What is the purpose of free-nerve endings?
detect temperature, touch/pressure, pain
The single biomolecule that makes up a polysaccharide?
Monosaccharide
What is the least flexible type of cartilage?
Fibrous cartilage
Of the different sweat glands, which is associated with hair?
Apocrine sweat glands
What are skin cells called?
Keratinocytes
What is the muscle within the dermis layer?
Arrector pili
What is the order for the central dogma?
DNA goes through transcription - which creates mRNA. mRNA is then translated to a polypeptide
Which type of cell division includes stem cells and the regeneration of new cells while old cells die off?
Holocrine
The three layers that make a hair strand are
Medulla, Cortex, Cuticle
How many layers make up the spinosum?
7-10 layers
What protein is found only in thick skin?
Eleiden
At what level of organization would you find alpha helixes or beta sheets?
Secondary
Which type of tissue is multi-nucleated, provides movement support, has voluntary control, and the cells do not complete cytokinesis?
Skeletal muscle tissue
The 3 phases in which a hair bulb/shaft goes through are...
Anogen - active growth (2-7 years)
Catogen - transition (10 days)
Telogen - resting (3 months)
What type of epithelium makes up the basale layer?
Stratified squamous epithelium
Where on the body can thick skin be found?
Palms and plantar
What is used to speed up reactions and fits snug within the enzyme?
Substrate
What two factors determine the type of cartilage?
ECM and chondrocytes