Gland Endocrine glands secrete substances that circulate through the blood stream. The glands secrete their products through basal lamina into the blood stream. Basil lamina typically can be seen a layer around the glands to which a million maybe more tiny blood vessels are attached. These glands often secrete hormones which play an important role in maintaining homeostasis. The pineal gland, thymus gland, pituitary gland, thyroid gland, and the two adrenal glands are all endocrine glands. Exocrine glands secrete their products through a duct onto an outer surface of the body, such as the skin or the gastrointestinal tract. Secretion is
The Body of the Dead Christ in the Tomb for what purpose the painting was created. Various suggestions have been offered, including as a predella for an altarpiece, a free-standing work, or an ornament for a sepulchre. In 1999, the art historians Oskar Bätschmann and Pascal Griener raised the possibility that the panel was intended to form part of a Holy Tomb, perhaps as a lid to be laid over a sepulchre. It is known that Holbein used a body fished out of the Rhine as a model for the work. The panel has attracted fascination and praise since it was created. The Russian author Fyodor Dostoevsky was captivated