Flashcards in MEMBRANES & INTEGUMENTARY SYS. Deck (44):
A blue/black pigment represents?
What are Pacinian Corpuscles?
Sense pressure and vibrations
What is the function of Langerhans Cells?
Recognizes/removes foreign antigens
What is the function of Ceruminous Glands?
Produces cerumen (earwax), preventing foreign bodies from entering ear
Describe Stratum Spinosum.
Provides strength and flexibility to skin
What are Arrector Pili Muscles?
Pulls hair upright
What is the function of Synovial Membranes?
Lines freely moveable joints
What is the function of synovial fluid and what does it contain?
Lubricates joint cartilage and contains macrophages
What part of the body does Mucous Membrane/Mucosa line?
Lines a a body cavity that opens directly to the exterior
Describe the Parietal Layer of Serous Membrane.
Lines the cavity walls
A red/pink pigment represents?
What are Meissner Corpuscles?
What is the 'shaft' of the hair?
Hair portion projecting through skin surface
A yellow pigment represents?
Jaundice (from medical condition)
What is the function of Sebaceous (Oil) Glands for the hair?
A yellow-orange pigment represents?
Describe Stratum Basale/Germinativum.
Basement membrane containing keratinocytes
Describe the Visceral Layer of Serous Membrane.
Covers and adheres to the organs in the cavity
What part of the body does Serous Membrane line?
Lines/covers organs within the cavity
List the order of the Epidermal Layers from deep to superficial.
- S. Basale/Germinativum
- S. Spinosum
- S. Granulosum
- S. Lucidum
- S. Corneum
Where is the 'root' of the hair?
Deep to shaft, penetrating into dermis
Hardened plates of tightly packed, hard, dead, keratinized epidermal cells are known as?
A blue pigment represents?
Cyanosis (from poor circulation)
A yellow/green pigment represents?
Explain Epithelial Membranes.
Epithelial tissue with underlying CT layers
A redness/erythema pigment represents?
Describe Stratum Corneum.
- Collagen fibres decrease
- Elastin losing elasticity
- Fibroblasts decrease
- Thinning of skin
These are the effects of?
- DNA damage
- Collagen and elastic fibre damage
These are the effects of?
Where is the 'follicle' of the hair?
Surrounding the root of hair
Describe Stratum Granulosum.
A pale yellow to tan to black skin color represents?
What is the function of the Subcutaneous Tissue?
Serves as a shock absorber/insulator
What is Subcutaneous Tissue also known as?
What is Synovial Membrane made up of?
Synoviocytes with a CT base
Function of Keratinocytes?
What does the Sebaceous (Oil) Glands secrete?
What is the function of the Sudoriferous Glands?
Produces sweat acting in thermoregulation and waste removal
What does Sebum function as?
Nourish and protects skin, hair
What are Free Nerve Endings?
Sense pain and temperature
What separates the epidermis and underlying adipose layer?
Function of Melanocytes?
What are Merkel Cells involved in?
Sensation of touch