What is a melanocyte?

The cells lining the blood vessels belong to the category of

Which of the following statements is/are correct regarding epithelial tissue?
$a$ - Cells are compactly packed.
$b$ - Cells have little intercellular matrix.
$c$ - It can be single or multi-layered.

The epithelium of the retina and the thyroid gland is composed of which type of cells?

Which of the following statements is correct?

Which of the following is composed of cube-like cells?