Chapter 5.2 Integumentary System_Dermis, Hypodermis & Accessory Structures Flashcards
Is the dermis connective tissue or epithelial tissue?
connective tissue
What are the two regions of the dermis?
papillary layer
reticular layer
What kind of loose connective tissue is found in the papillary layer of the dermis?
areolar tissue
What kind of connective tissue is found in the reticular layer of the dermis?
dense irregular connective tissue
What types of things are found in the dermis?
hair follicles
oil glands
sweat glands
blood vessels
smooth muscle
adipose tissue
Where is the subcutaneous layer found?
the bottom of the dermis
What is the subcutaneous layer of the dermis called?
hypodermis
What is the purpose of the hypodermis?
It connects the skin to underlying tissues and organs.
What are the three skin colors (pigmentation)
hemoglobin
carotene
melanin
What is melanin?
pigment made my melanocytes that is a protective layer on our cells
causes tanning and protects from UV radiation
What is hemoglobin?
red pigment of red blood cells
What is carotene?
yellow/orange pigment from foods that have Vitamin A
Explain cyanosis
blue color of the skin due to a lack of oxygen in the blood
Explain erythema
redness of the skin do to inflammation of the skin
Explain jaundice
yellowing of the skin due to bilirubin in the blood
Explain bronzing
golden-brown color of the skin due to Addison disease
Explain pallor
pale color of the skin from lack of blood flow
Explain albinism
lack of melanin in the skin
Explain hematoma
a bruise, visible clotted blood
Name the four types of skin (cutaneous) glands
sebaceous (oil) glands
eccrine sweat glands
apocrine sweat glands
ceruminous glands
What does the ceruminous glad do?
creates earwax
Name the two types of sudoriferous sweat glands
merocrine (eccrine)
apocrine
What is it called when you can visibly see someone sweating?
diaphoresis
What is the main purpose of merocrine glands?
thermal regulation
Where does a merocrine gland open up to?
the top of the skin
Where are apocrine glands found on the body?
found in axillary, genitals, nipples
What does sweat from apocrine glands contain?
fatty acids
What is bromhidrosis?
the clinical term for body odor
Where do the apocrine glands open up to?
the hair follicle
What does a sebaceous gland secrete and where?
oily secretion into the hair follicle
What is sebum?
the oily secretion from sebacious glands
What does the oily secretion from the sebaceous gland do?
prevents drying out of the hair on the skin
Identify the pink highlighted part.
epidermis
Identify the pink highlighted part.
dermis
Identify the pink highlighted part.
hair root
Identify the pink highlighted part.
hair follicle
Identify the pink highlighted part.
adipose tissue
Identify the pink highlighted part.
sebaceous oil gland
Identify the pink highlighted part.
pore
Identify the pink highlighted part.
eccrine sweat gland
Identify the pink highlighted part.
hypodermis
Identify the pink highlighted part.
hair shaft
Identify the pink highlighted part.
arrector pili muscle
Identify the pink highlighted part.
sensory nerve fiber
Identify the pink highlighted part.
papillary layer
Is the papillary layer affiliated with touch and senses?
yes
