Matter is anything that occupies space, possesses mass and can be perceived by our sense organs. It exists in nature in three, usually inter convertible [...]
Dermis is a connective tissue layer of mesodermal origin subjacent the epidermis and its basement membrane. The dermis-epidermal junction, especially in [...]
A tissue is a group of cells working together to do a special job. A histologist is one who specializes in the study of tissues. The cells, of which the [...]