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(A) Hyperkeratosis is a condition characterized by the thickening of the outer layer of the skin (stratum corneum). It is a well-documented clinical s

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Vitamin $A$

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(A) Hyperkeratosis is a condition characterized by the thickening of the outer layer of the skin (stratum corneum). It is a well-documented clinical sign of hypervitaminosis $A$,which occurs due to the excessive intake of Vitamin $A$ (retinol). Excess Vitamin $A$ interferes with normal keratinocyte differentiation,leading to the accumulation of keratin and the characteristic skin thickening associated with hyperkeratosis.

List $-I$	List $-II$
$a$. Adenine	$i$. Pigment
$b$. Anthocyanin	$ii$. Polysaccharide
$c$. Chitin	$iii$. Alkaloid
$d$. Codeine	$iv$. Purine

Hyperkeratosis is caused due to the excess of which vitamin?

Similar Questions

Match List $-I$ with List $-II$ :

List $-I$ List $-II$

$a$. Adenine $i$. Pigment

$b$. Anthocyanin $ii$. Polysaccharide

$c$. Chitin $iii$. Alkaloid

$d$. Codeine $iv$. Purine

Choose the correct answer from the options given below:

Which of the following are aromatic amino acids?

Which one of the following vitamins contains a metal atom?

$A$ mixture of oil in water forms an emulsion. If a protein is shaken up with such an emulsion,what happens?

Phosphorus is the major constituent of:
$I.$ Biological membranes
$II.$ Nucleic acids
$III.$ Cellular energy
Choose the correct option.

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