What is secreted by chief cells?

The gastric chief cell (also known as a zymogenic cell or peptic cell) is a cell in the stomach that releases pepsinogen and chymosin. Pepsinogen is activated into the digestive enzyme pepsin when it comes in contact with acid produced by gastric parietal cells.
A.

What do mucous cells secrete?

Small pores called gastric pits contain many exocrine cells that secrete digestive enzymes and hydrochloric acid into the lumen, or hollow region, of the stomach. Mucous cells found throughout the stomach lining and gastric pits secrete mucus to protect the stomach from its own digestive secretions.
  • What is secreted by mucous cells?

    Mucus is composed of water, epithelial (surface) cells, dead leukocytes, mucin, and inorganic salts. Mucus is produced by mucous cells, which are frequently clustered into small glands located on the mucous membrane that lines virtually the entire digestive tract.
  • What secretes the hormone gastrin?

    Gastrin is a peptide hormone that stimulates secretion of gastric acid (HCl) by the parietal cells of the stomach and aids in gastric motility. It is released by G cells in the pyloric antrum of the stomach, duodenum, and the pancreas. Its release is stimulated by peptides in the lumen of the stomach.
  • What is a booger made of?

    Snot is made mostly of water. But, water is only one ingredient. Snot is also made of tiny particles that are in the air we breathe like germs, dust and pollen. When air debris gets trapped in your tiny little nose hairs, it mixes with snot or mucus and from there, can become a booger.
B.

What cells secrete mucus in the respiratory system?

Nasal mucus is produced by the nasal mucosa; and mucus lining the airways (trachea, bronchus, bronchioles) is produced by specialized airway epithelial cells (goblet cells) and submucosal glands.
  • What type of epithelial tissue is found on the surface of the skin?

    The surface of the mucus-producing cells scattered among the ciliated epithelial cells is covered with microvilli. The microvilli occur on epithelial surfaces where absorption and secretion take place. Stratified squamous epithelium: This tissue is the stuff you see every day — your outer skin, or epidermis.
  • What is phlegm made out of?

    Phlegm /ˈfl?m/ (Greek: φλέγμα "inflammation, humour caused by heat") is a liquid secreted by the mucous membranes of mammals. Its definition is limited to the mucus produced by the respiratory system, excluding that from the nasal passages, and particularly that which is expelled by coughing (sputum).
  • What is the purpose of the mucus in your nose?

    Mucus also protects the lungs. When you breathe in air through your nose, it contains lots of tiny things, like dust, dirt, germs, and pollen. If these made it all the way to the lungs, the lungs could get irritated or infected, making it tough to breathe.
C.

What does the mucosa secrete?

A mucous membrane or mucosa is a membrane that lines various cavities in the body and covers the surface of internal organs. It consists of one or more layers of epithelial cells overlying a layer of loose connective tissue. Some mucous membranes secrete mucus, a thick protective fluid.
  • What is the purpose of the mucous membrane?

    mucous membrane. mucous membrane Sheet of tissue (or epithelium) lining all body channels that communicate with the air, such as the mouth and respiratory tract, the digestive and urogenital tracts, and the various glands that secrete mucus, which lubricates and protects tissues.
  • How does the stomach protect itself from the acid?

    Your stomach protects itself from being digested by its own enzymes, or burnt by the corrosive hydrochloric acid, by secreting sticky, neutralising mucus that clings to the stomach walls. If this layer becomes damaged in any way it can result in painful and unpleasant stomach ulcers.
  • What is secreted by chief cells?

    The gastric chief cell (also known as a zymogenic cell or peptic cell) is a cell in the stomach that releases pepsinogen and chymosin. Pepsinogen is activated into the digestive enzyme pepsin when it comes in contact with acid produced by gastric parietal cells.

Updated: 3rd October 2019

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