the endothelial tissue that lines the human gastrointestinal tract consists of several cell types. Some of these cells absorb nutrients from the digestive contents, whereas others (called goblet ...
The trachea has a number of adaptations: cartilage rings in the walls of the trachea help to keep it open ciliated epithelium and goblet cells ... parts of the respiratory system as shown here.
Goblet cells are dynamic guardians of gut immunity, engaging in multiple protective actions that include not only pathogen defense but also immune system modulation to ensure a balanced response.” ...
which act not only as a physical barrier but also as a sophisticated communication link between the gut lining and the immune ...