Layer it on me
This is the most superficial layer of the epidermis.
What is Stratum Corneum?
This is the vascular layer of skin that lies beneath the epidermis.
What is the dermis?
This is the protein hair is made of.
What is keratin?
This is the visible portion of the nail body.
What is the nail plate?
This type of tissue makes up the hypodermis.
What is adipose (fat) tissue?
These are the two layers of the dermis.
What are the papillary and reticular layers?
These structures in the dermis detect light touch.
What are meissner’s corpuscles?
This is the name of the tiny muscle that causes hair to stand up when cold or scared?
What is arrector pili?
This is the name of the cuticle.
What is eponychium?
The “B” in the ABCDEs of melanoma stands for _______.
What is Border?
Name all five layers of the epidermis from deepest to most superficial.
What are stratum basale, stratum spinosum, stratum granulosum, stratum lucidum (only in thick skin), stratum corneum?
A patient complains of a lack of sensation to pressure and vibration on parts of their skin after a deep cut. This dermal structure is likely damaged.
What are pacinian corpuscles?
This is the name of the tunnel hair grows from.
What is the hair follicle?
This is the white crescent shaped portion of the nail.
What is the lunula.
This sweat gland is most common and helps cool the body.
What is eccrine gland?
A patient presents with widespread peeling and dryness of their skin. A biopsy shows damaged keratinocytes in the stratum granulosum. This key function of the skin will likely be impaired.
What is waterproofing and forming a protective barrier?
A patient suffers a laceration that severs both sensory and motor nerves in the dermis. These are the symptoms they might experience in that region of skin.
What are loss of sensation (sensory nerve damage) and impaired movement of nearby muscles or glands (motor nerve damage)?
Describe the relationship between glands and hair.
What is sebaceous glands are connected to hair follicles to secrete sebum to lubricate hair and skin?
A patient gets frequent manicures and mentions that their fingertips are sometimes sore and bleed slightly after trimming the ends of their nails too short. Name the nail structure that is being overly trimmed, and explain why this causes discomfort.
What is the free edge; trimming too far exposes the sensitive skin underneath, which can lead to pain and minor injury?
Explain how the stratum basale helps heal minor injuries.
What is it contains dividing cells that replace damaged skin?
A burn patient has lost all melanocytes in the stratum basale due to a third-degree burn. These are the consequences this patient might this have for their skin over time.
What isIncreased sensitivity to UV radiation and risk of skin cancer due to lack of melanin production?
A patient with a deep dermal burn shows signs of tissue death and delayed healing. Doctors note that oxygen and nutrients are not reaching the injured site efficiently. This dermal structure is most likely impaired.
What are blood vessels in the dermis?
A teenage patient presents with coarse, brittle hair and lack of growth. Lab tests reveal low activity in the hair matrix. Explain the role of this structure in hair health.
What is the hair matrix contains dividing cells responsible for producing new hair—damage impairs growth?
A patient’s nail has stopped growing and appears sunken in at the base. The lunula is no longer visible. Name the structure that is most likely damaged, and explain what this suggests about nail function.
What is the nail matrix; damage has impaired new nail production?
A man presents with a rough, scaly, red patch on his scalp that has grown rapidly and bleeds. The lesion is traced to cells in the stratum spinosum. The type of skin cancer is most likely _________.
What is squamous cell carcinoma?