(M) Lab 1: Skin Histology Flashcards
How many layers are found in this type of skin
5
What layer of the skin is blue?
Dermis
What type of skin is in the photo
Thick skin
What layer of the skin does the arrow near the star point at?
Stratum corneum
What layer of the skin does the arrow near the circle point at?
Stratum lucidum
What layer of the skin does the arrow near the triangle point at?
Stratum granulosum
What layer is the arrow near the black diamond pointing at?
Stratum basale
What layer of the skin is #1?
Stratum corneum
What layer of the skin is #2
Stratum lucidum
What layer of the skin is #3
Stratum granulosum
What layer of the skin is #4
Stratum spinosum
What layer of the skin is #5
Stratum basale
Which layers are capable of mitosis?
5 and 4
How many layers of keratinocytes are found on this layer of the skin?
Single layer of keratinocytes
What cell is the arrow pointing at?
Melanocyte
Which layer are melanocytes found?
Stratum basale / basal layer
What are the arrows pointing at?
Desmosomes
What layer of the skin is in the photo?
Stratum spinosum
What does keratinocytes in stratum granulosum contain?
Keratohyaline granules
What do you call the keratinocytes precursor?
Eleidin
Where is this layer of skin prominent in?
Thick skin - palms, soles, and corresponding fingers / toes
What does this cell contain for melanin synthesis?
Tyrosinase
What layer of the dermis is blue?
Reticular dermis
What layer of the dermis is red?
Papillary dermis
What structures are the arrows pointing at?
Sweat glands
What is the morphology and the structure being pointed at?
Structure: sweat gland
Morphology: simple coiled tubular gland
What is the type of secretion of the structure in the photo?
Serous
What is the mechanism of release of excretory products of the structure in the photo?
Merocrine
What is the structure in the photo?
Sweat gland
T or F
Hair follicles are not present at all in this type of skin
F (hair follicles are present EXCEPT: lips, labia minora, and glans penis)
What layer of the skin is the neon green arrow (the top one)
Stratum corneum
What layer of the skin is the green arrow pointing at ? (second)
Stratum granulosum
What layer of the skin is the yellow arrow pointing at?
Stratum spinosum
What layer of the skin is the orange arrow pointing at?
Stratum basale
What is the fundamental type of the tissue pointed at?
Connective tissue
What is the subtype of the tissue pointed at?
Connective tissue proper
What is the specific subtype of the tissue being pointed at?
Loose connective tissue
What is the fundamental type of the tissue being pointed at?
Connective tissue
What is the subtype of the tissue pointed at?
Connective tissue proper
What is the specific subtype of the tissue being pointed at?
Dense irregular connective tissue
What structure is encircled in the photo?
Meissner’s corpuscles
Where is this structure found in?
papillary layer of the dermis
what is the function of the structure encircled in the photo?
fine touch
What is arrow 1 pointing at?
Hair follicle
What is arrow 2 pointing at?
arrector pili muscle
What is arrow 3 pointing at?
Sebaceous gland
What is the type of secretion of this structure?
Mucous
What is the mechanism of release of excretory products of this tissue?
holocrine
What is the morphology of this tissue?
simple branched acinar