Integument Flashcards

1
Q

Stratum basale

A

This is the deepest layer. Contains stem cells, Merkel cells, and pigment melanocytes

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2
Q

Stratum spinosum

A

Second deepest. Consists mostly of keratinocytes held together by desmosomes but also contains dendritic cells

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3
Q

Stratum granulosum

A

Third deepest. Contains keratohyalin granules

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4
Q

Stratum lucidum

A

Only observed in thick skin

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5
Q

Stratum corneum

A

Most superficial

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6
Q

Dermis

A

Made up of the papillary layer and the reticular layer below it

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7
Q

Papillary layer

A

Has the dermal papillae (the projections) and the tactile corpuscles (soft touch receptors, white bulbs)

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8
Q

Reticular layer

A

The net like structure with sebaceous (blue for oil) and sudoriferous (White/yellow) glands and the lamellar corpuscles for deep pressure (green)

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