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alina1380 [7]
4 years ago
13

While walking barefoot on the beach, Joe stepped on a thorn that penetrated through the sole of his foot to the dermis. How many

layers of epidermis did the thorn penetrate? While walking barefoot on the beach, Joe stepped on a thorn that penetrated through the sole of his foot to the dermis. How many layers of epidermis did the thorn penetrate? 1 2 3 4 5
Medicine
1 answer:
nadezda [96]4 years ago
5 0

Answer:

The correct answer is 5.

Explanation:

The main layers of the skin are <u>from outside to inside: </u>

  1. Epidermis
  2. Dermis
  3. Hypodermis

The <u>epidermis</u> can also be divided into <em>5 other layers</em> (<u>form outside to inside</u>):

  1. Stratum corneum: composed of corneocytes without nucleus
  2. Stratum lucidum: this stratum is <em>only in palms and soles</em>, and gives them the thick skin appearance
  3. Stratum granulosum: composed of keratinocytes whose nucleus disappear and left a granulated cytoplasm
  4. Stratum spinosum: keratinocytes connected via desmosomes  
  5. Stratum basale: keratinocytes connected via hemidesmosomes. Melanocytes and Merckel cells can also be found in this layer.  

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