Vocab
Skin Anatomy
Skin Physiology
Skin Appendages
Miscellaneous
100
Define the following term: Derm
Skin
100
This is the name for the top layer of the skin
Epidermis
100
This is the pigment that helps protect against UVB rays.
Melanin
100
These are the two main skin appendages
Hair and Nails
100
What is a dermatologist
A skin doctor
200
Define the following term: Hypo
Below or beneath
200
The skin is divided into 3 primary layers - what are they called in order from superficial to deep?
Epidermis, dermis, hypodermis
200
Describe how UV radiation can negatively affect skin cells
UV radiation can cause mutations in the DNA of skin cells, which can lead to unrestrained cell growth and eventually a tumor/skin cancer
200
The glands that secrete their products near hairs are known as . . .
Sebaceous glands or oil glands
200
The skin is responsible for synthesizing this vitamin
Vitamin D
300
Define the following term: Sudor
Sweat
300
What would you label structure "D" in the image below?
Sudoriferous Gland or Sweat Gland
300
Name 3 separate functions of the skin.
Protects against infection, provides insulation, maintains fluid balance, synthesizes vitamin D, senses the environment, regulates temperature
300
This is the name for the visible half moon shape at the base of the finger nail
The Lunula
300
This is the outermost layer of the epidermis containing dead skin cells that are shed.
Stratum Corneum
400
Bacterial cells have surface extensions known as pili. What would you expect these to look like?
Hair
(pili means hair and these bacteria have small hair-like extensions)
400
This is the name of the epidermal layer that makes up calluses found on hands and feet.
Stratum Lucidum
400
Explain how dark skin is physiologically different from light skin.
Dark skin produces more melanin which is the pigment secreted by melanocytes - it is important to note darker skin has approximately the same number of melanocytes as light skin, but each melanocyte produces more melanin
400
What is structure "1" called?
Arrector Pili
(It is the tiny muscle responsible for hairs being able to "stand on end" )
400
This is the most common type of finger print pattern
The Loop
500
An ungulate is a category of animal. What body structure would you expect these animals to have?
Nails
(They are hooved animals)
500
The dermis is composed of 2 layers, what are these layers called?
Papillary and reticular
(Papillary is made of loose connective tissue and the reticular is made of densely-packed fibrous tissue)
500
Describe 2 immediate medical concerns when treating an individual with severe burns
Dehydration from fluid loss and risk of infection
500
Name three similarities between hair and nails
They are both made of keratin, they both protect our skin, they both have structures known as cuticles.
500
What causes the smaller details of your finger prints ensuring no two can ever be the same.
The movement of the baby in utero (gravity, friction of the embryonic sac, embryonic fluid concentration)