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 Brain of Morbius Learning the Doctor is a Time Lord, Morbius fears the Time Lords have tracked him down and will return in force. Morbius insists that he be transferred into the patchwork body now, with an artificial brain casing Solon constructed. Solon protests, as there may be severe pain and seizures, but Morbius insists. Back in the castle, Solon prepares to operate, but Condo is enraged when he recognises his lost arm attached to the patchwork body. He attacks Solon before being shot in the stomach, their struggle knocking Morbius's brain to the floor. Not knowing what damage has been done, Solon