Protein making up the bulk of keratohyaline granules in stratum granulosum of keratinized epithelium is______________?
Correct answer: C. Filaggrin
- A. Involucrin
- B. Vinculin
- C. Filaggrin
- D. Nectin
Explanation
Keratohyaline granules contain profilaggrin, which is processed into filaggrin; filaggrin helps aggregate keratin filaments during cornification. Involucrin is part of the cornified envelope rather than the principal granule protein.
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