The legendary Colorado ski community of Aspen has been selected as the 2016 site of the induction ceremony and Skiing History Week for the U.S. Ski and Snowboard Hall of Fame, the week of April 5-10, 2016.
The next layer after the mucosa is called the submucosa. This layer is a thick layer of loose connective tissue. Although this layer does not have any sub-layers, it does have blood vessels, vessels belonging to the lymphatic system, and nerves, some of which control digestion.In some places, such as the small intestine, the submucosa also contains cells that secrete mucus onto the surface of the tract.After the submucosa is a layer called the muscularis externa. Except for the upper portion of the esophagus, this layer consists of smooth muscle.n some places, such as the small intestine, the submucosa also contains cells that secrete mucus onto the surface of the tract. After the submucosa is a layer called the muscularis externa. Except for the upper portion of the esophagus, this layer consists of smooth muscle.
In the lymph nodes, cells from the bodyâs natural defense system, called lymphocytes, help fight bacteria and viruses. Networks of the lymphatic system are situated in several areas of the body with a specific drainage pathway for each individual area.Superficial Lymph Nodes Include: 1  Axillary: Located under each arm, these nodes receive fluid from the arm, chest, back, and breast tissue.eep Lymph Nodes Include: 1  Supraclavicular: Located at the neck just above the collar bones, this important node group receives fluid from the head and shoulders. 2  Deep Abdominal/Pelvic Nodes: The abdomen is richly invested in lymph nodesâthey surround the organs and intestines.