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  2. Muscularis mucosae - Wikipedia

    en.wikipedia.org/wiki/Muscularis_mucosae

    The muscularis mucosae (or lamina muscularis mucosae) is a thin layer of muscle of the gastrointestinal tract, located outside the lamina propria, and separating it from the submucosa. It is present in a continuous fashion from the esophagus to the upper rectum (the exact nomenclature of the rectum's muscle layers is still being debated).

  3. Simple columnar epithelium - Wikipedia

    en.wikipedia.org/wiki/Simple_columnar_epithelium

    The ciliated part of the simple columnar epithelium has tiny hairs which help move mucus and other substances up the respiratory tract. The shape of the simple columnar epithelium cells are tall and narrow giving a column like appearance. the apical surfaces of the tissue face the lumen of organs while the basal side faces the basement membrane ...

  4. Respiratory system - Wikipedia

    en.wikipedia.org/wiki/Respiratory_system

    The respiratory system (also respiratory apparatus, ventilatory system) is a biological system consisting of specific organs and structures used for gas exchange in animals and plants. The anatomy and physiology that make this happen varies greatly, depending on the size of the organism, the environment in which it lives and its evolutionary ...

  5. Sigmoid colon - Wikipedia

    en.wikipedia.org/wiki/Sigmoid_colon

    The sigmoid colon (or pelvic colon) is the part of the large intestine that is closest to the rectum and anus. It forms a loop that averages about 35–40 centimetres (14–16 in) in length. The loop is typically shaped like a Greek letter sigma (ς) or Latin letter S (thus sigma + -oid).

  6. Large intestine - Wikipedia

    en.wikipedia.org/wiki/Large_intestine

    The sigmoid colon is the part of the large intestine after the descending colon and before the rectum. The name sigmoid means S-shaped (see sigmoid; cf. sigmoid sinus). The walls of the sigmoid colon are muscular and contract to increase the pressure inside the colon, causing the stool to move into the rectum.

  7. Table of epithelia of human organs - Wikipedia

    en.wikipedia.org/wiki/Table_of_epithelia_of...

    respiratory epithelium: respiratory: larynx - true vocal cords: Stratified squamous, non-keratinized - respiratory: trachea: Pseudostratified columnar, ciliated: respiratory epithelium: respiratory bronchi Pseudostratified columnar, ciliated respiratory terminal bronchioles Simple cuboidal, ciliated respiratory: respiratory bronchioles: Simple ...

  8. Respiratory tract - Wikipedia

    en.wikipedia.org/wiki/Respiratory_tract

    The lungs can be included in the lower respiratory tract or as separate entity and include the respiratory bronchioles, alveolar ducts, alveolar sacs, and alveoli. [3] Adult and pediatric airway anatomy. The respiratory tract can also be divided into a conducting zone and a respiratory zone, based on the distinction of transporting gases or ...

  9. Category:Respiratory system anatomy - Wikipedia

    en.wikipedia.org/wiki/Category:Respiratory...

    Pages in category "Respiratory system anatomy" The following 19 pages are in this category, out of 19 total. This list may not reflect recent changes. A.