The Integumentary System Is Protected by the Action of Cells

question 6

Multiple Choice

The integumentary system is protected by the action of cells that arise from bone marrow and migrate to the epidermis. Which of the following cells serve this function?

• A) macrophages called dendritic cells (Langerhans Cell)
• B) keratinocytes, because they are so versatile
• C) cells found in the stratum spinosum
• D) tactile cells

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Definitions:

Mudstone

A rock composed of consolidate mud (silt, clay, or especially a combination of the two).

Transgression

A geological event where the sea advances over land due to rising sea levels or subsiding land, leading to the deposition of marine sediments over terrestrial ones.

Marine Sedimentary Facies

Specific areas within sedimentary deposits in marine environments characterized by a distinct set of physical, chemical, and biological attributes.

Limestone

A sedimentary rock composed mainly of calcite, formed by the accumulation of shell, coral, algal, and fecal debris in shallow seas.