Once in the mesophyll cells, CO 2 diffuses into the stroma of the chloroplast, the site of light-independent reactions of photosynthesis. These reactions actually have several names associated with them. Other names for light-independent reactions include the Calvin cycle, the Calvin-Benson cycle, and dark reactions.
What is Vellus Hair. Vellus hairs are a type of human hair that are fine, short, light-colored or transluscent, and non-pigmented that develop from childhood and are found on most areas of the body. Their growth is not, in contrast to terminal hairs, affected or dictated by hormones.
The epidermis is the epithelial tissue layer of skin. Hair follicles, sebaceous glands, and sweat glands are epithelial invaginations from the epidermis. The dermis is the connective tissue layer of skin. Embedded within the dermis are hair follicles and sweat glands as well as blood vessels and sensory nerve endings.