Questions: Question 41 (2 points) What layer of the epidermis is marked in this picture (with "LAYER?")? A) Stratum corneum B) Stratum granulosum C) Stratum basale D) Stratum spinsosum

Question 41 (2 points)

What layer of the epidermis is marked in this picture (with "LAYER?")?
A) Stratum corneum
B) Stratum granulosum
C) Stratum basale
D) Stratum spinsosum
Transcript text: Question 41 (2 points) What layer of the epidermis is marked in this picture (with "LAYER?")? A) Stratum corneum B) Stratum granulosum C) Stratum basale D) Stratum spinsosum
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Solution

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Solution Steps

Step 1: Identify the Layers of the Epidermis

The epidermis consists of several layers, from the outermost to the innermost:

  1. Stratum corneum
  2. Stratum lucidum (only in thick skin)
  3. Stratum granulosum
  4. Stratum spinosum
  5. Stratum basale
Step 2: Analyze the Image

The image shows a cross-section of the epidermis with the topmost layer labeled as "LAYER?" and the bottommost layer labeled as "CELL2".

Step 3: Determine the Labeled Layer

The topmost layer in the epidermis is the stratum corneum, characterized by its multiple layers of dead, flattened keratinocytes.

Final Answer

The layer of the epidermis marked in the picture with "LAYER?" is: A) Stratum corneum

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