The following questions refer to the scenario below. A-1 Stampings, Inc., produces 14 metal stampings for the automotive industry.
The epithalamus comprises the habenular trigone, the pineal gland, and the habenular commissure. It is wired with the limbic system and basal ganglia. Species that possess a photoreceptive parapineal organ show asymmetry in the epithalmus at the habenula, to the left (dorsal).he epithalamus includes the habenula and their interconnecting fibers the habenular commissure, the stria medullaris and the pineal gland.
Melanin's primary function, however, is to filter out ultraviolet radiation from sunlight (see Overview of Sunlight and Skin Damage), which damages DNA, resulting in numerous harmful effects, including skin cancer. The epidermis also contains Langerhans cells, which are part of the skin's immune system. Although these cells help detect foreign substances and defend the body against infection, they also play a role in the development of skin allergies.