GENERAL HISTOLOGY

TONGUE MIXED SALIVARY GLAND

ORAL MUCOSA

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following is not present in the stratum spinosum?
A
desmosomes.
B
tonofilaments.
C
keratohyaline granules.
D
Odland’s bodies.
Explanation: 

Detailed explanation-1: -Stratum spinosum, 8-10 cell layers, also known as the prickle cell layer contains irregular, polyhedral cells with cytoplasmic processes, sometimes called “spines”, that extend outward and contact neighboring cells by desmosomes. Dendritic cells can be found in this layer.

Detailed explanation-2: -Keratohyalin granules (KHG) mainly consist of keratin, profilaggrin, loricrin and trichohyalin proteins which contribute to cornification or keratinization, the process of the formation of epidermal cornified cell envelope.

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