Which of the following cells transfers pigment granules to adjust epidermal cells?

Rationale

Melanocytes transfer pigment granules to adjust epidermal cells.

Melanocytes are specialized cells in the skin that produce and transfer melanin, the pigment responsible for skin color. They send pigment granules, or melanosomes, to adjacent keratinocytes, aiding in the protection against UV radiation and contributing to the overall pigmentation of the skin.

A (Merkel Cells) YOUR ANSWER

Merkel cells are mechanoreceptors found in the skin that are responsible for the sensation of touch. They do not play a role in pigment transfer or production; rather, their function is primarily sensory, detecting pressure and texture.

B (Keratinocytes) YOUR ANSWER

Keratinocytes are the predominant cell type in the epidermis that produce keratin, a protein that provides structural strength to the skin. While they receive pigment granules from melanocytes, they do not transfer pigment themselves. Their role is more about forming the protective outer layer of the skin rather than pigment production.

C (Langerhans cells) YOUR ANSWER

Langerhans cells are a type of dendritic cell involved in the immune response of the skin. They serve to identify and present antigens to T cells, playing a crucial role in skin immunity rather than pigment transfer or production. Thus, they do not contribute to the pigmentation of the epidermis.

D (Melanocytes) CORRECT

Melanocytes are the specific cells responsible for producing melanin and transferring it to nearby keratinocytes. This process is essential for the pigmentation of the skin and protection from harmful UV radiation, making melanocytes the correct answer for this question.

Conclusion

Melanocytes are the key players in the transfer of pigments to epidermal cells, significantly impacting skin color and protection. Other cell types like Merkel cells, keratinocytes, and Langerhans cells serve distinct functions unrelated to pigment transfer. Understanding the role of melanocytes is crucial for comprehending skin biology and the mechanisms behind pigmentation and protection against UV damage.

Which of the following cells transfers pigment granules to adjust epidermal cells?

Melanocytes transfer pigment granules to adjust epidermal cells.

Related Questions

Related Quizzes

How familiar were you with this question?

Report an Issue

Rate this Practice Test