Question:
Thickening of Stratum corneum is known as
Thickening of Stratum corneum is known as
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To differentiate these easily:
- Stratum corneum thickening $\rightarrow$ Hyperkeratosis
- Stratum spinosum thickening $\rightarrow$ Acanthosis
- Stratum corneum with nuclei $\rightarrow$ Parakeratosis
- Stratum corneum thickening $\rightarrow$ Hyperkeratosis
- Stratum spinosum thickening $\rightarrow$ Acanthosis
- Stratum corneum with nuclei $\rightarrow$ Parakeratosis
Updated On: Aug 24, 2026
- Hyperkeratosis
- Parakeratosis
- Acanthosis
- Pachyderma
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The Correct Option is A
Solution and Explanation
Step 1: Understanding the Concept:
The epidermis of the skin consists of several layers, with the outermost layer being the stratum corneum, composed of flattened, dead, keratinized cells.
Step 2: Detailed Explanation:
Let us review the pathological terms for skin abnormalities:
- Hyperkeratosis: Hyperplasia and thickening of the stratum corneum layer of the epidermis. It can be orthokeratotic (no nuclei retained) or parakeratotic. Thus, statement (A) is correct.
- Parakeratosis: Thickening of the stratum corneum with the abnormal retention of nuclei in the keratinocytes.
- Acanthosis: Diffuse hyperplasia and thickening of the stratum spinosum (prickle cell layer) of the epidermis.
- Pachyderma: Abnormal, gross thickening of the entire skin structure.
Therefore, the thickening of the stratum corneum specifically is called hyperkeratosis.
Step 3: Final Answer
The correct option is (A).
The epidermis of the skin consists of several layers, with the outermost layer being the stratum corneum, composed of flattened, dead, keratinized cells.
Step 2: Detailed Explanation:
Let us review the pathological terms for skin abnormalities:
- Hyperkeratosis: Hyperplasia and thickening of the stratum corneum layer of the epidermis. It can be orthokeratotic (no nuclei retained) or parakeratotic. Thus, statement (A) is correct.
- Parakeratosis: Thickening of the stratum corneum with the abnormal retention of nuclei in the keratinocytes.
- Acanthosis: Diffuse hyperplasia and thickening of the stratum spinosum (prickle cell layer) of the epidermis.
- Pachyderma: Abnormal, gross thickening of the entire skin structure.
Therefore, the thickening of the stratum corneum specifically is called hyperkeratosis.
Step 3: Final Answer
The correct option is (A).
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