Mucosa Collection

Anatomy of the structure and layers of the stomach wall

Nasal lining, SEM
Nasal lining. Coloured scanning electron micrograph (SEM) of the olfactory epithelium that lines the nasal cavity, showing olfactory cells (red) surrounded by numerous cilia (hair-like projections)

Immunoglobulin A, molecular model
Immunoglobulin A. Molecular model of the structure of the antibody immunoglobulin A (IgA). This is the secretory dimeric form (sIgA), the main immunoglobulin found in secretions such as saliva

Gastric antral vascular ectasia C016 / 8328
Gastric antral vascular ectasia. Endoscopic view of the antrum (final portion of stomach), affected by gastric antral vascular ectasia (GAVE)

Allergens in trachea. Coloured scanning electron micrograph (SEM) of the surface of the trachea (windpipe) with a number of pollen grains (yellow) attached

Trachea, SEM
Trachea. Coloured scanning electron micrograph (SEM) of the lining of the trachea (windpipe). The trachea links the larynx (voice box) to the lungs

Cross section of human stomach

Cross section illustration of human large intestine

Conceptual image of peptic ulcer in human stomach

Illustration depicting cholecystectomy, the surgical removal of the gallbladder
Medical ilustration showing gallstones in the gallbladder and the surgical removal of the gallbladder, known as cholecystectomy

Conceptual image of human digestive system showing gallbladder, pancrease, stomach and liver

Conceptual image of gallstones inside gall bladder

Anatomy of gall bladder ganglion

Gall bladder with stomach

Respiratory system, Trachea, Tracheal wall mucosa under microscope
Medicine - Human Histology - Respiratory system - Trachea - Tracheal wall mucosa under microscope

Esophagus, esophageal mucosa
Medicine - Human Histology - Digestive system - Esophagus, esophageal mucosa under the microscope

Gastric mucosa
Medicine - Human Histology - Pathology - Digestive system - Stomach - Gastric mucosa under microscope

Human stomach, artwork
Human stomach, computer artwork

Ulcerative pancolitis C018 / 0928
Ulcerative pancolitis. Endoscope view of the appendix aperture in the caecum (start of the large intestine) of an 11 year old patient with ulcerative pancolitis showing inflamed mucosa

Colitis, light micrograph
Colitis. Light micrograph of a section through colon (large intestine) tissue affected by bacterial infection, causing injury to the mucosal lining, which has resulted in inflammation (colitis)

Ischaemic bowel, light micrograph
Ischaemic bowel. Light micrograph of a section through a portion of intestine that has been damaged by an interruption of the blood supply, or ischaemia

Stomach lining, SEM C016 / 9068
Stomach lining. Coloured scanning electron micrograph (SEM) of the lining of the stomach, known as the mucosa. The stomach is a muscular sac involved in storage and digestion of food

Smell receptor, TEM
Smell receptor. Transmission electron micrograph (TEM) of a section through the olfactory epithelium that lines the nasal cavity, showing an olfactory cell (smell receptor)

Gastritis, light micrograph C016 / 0508
Gastritis. Light micrograph of a section through an inflamed human stomach (gastritis), showing an abnormal accumulation of white blood cells (leucocytes)

Appendix, light micrograph C016 / 0510
Appendix. Light micrograph of a section through a human appendix. The appendix is a blind-ending small diameter tubular extension of the gut, arising from the caecum of the large bowel

Gastritis, light micrograph C016 / 0507
Gastritis. Light micrograph of a section through an inflamed human stomach (gastritis), showing an abnormal accumulation of white blood cells (leucocytes)

Colon polyp, light micrograph C016 / 0512
Colon polyp. Light micrograph of a section through part of a tubulovillous adenoma of the mucosa of the large bowel (colon)

Colon, light micrograph C016 / 0516
Colon. Light micrograph of a section through the mucosa (inner epithelial lining) of the colon (large bowel), showing the typical arrangement of invaginations of columnar epithelial cells forming

Bowel cancer, light micrograph C016 / 0511
Bowel cancer. Light micrograph of a section through a carcinoid tumour in the small bowel. The tumour has invaded the submucosa of the bowel

Stomach wall, illustration C018 / 0793
Stomach wall. Illustration of a section through the wall of the stomach. The interior (lumen) of the stomach is at top. The stomach surface is lined with glandular mucosa that has numerous

Bowel disease in the colon C016 / 8338
Bowel disease in the colon. Endoscopic view of diverticular disease (diverticulosis) affecting the sigmoid colon. Diverticulosis causes sacs (diverticula)

Hiatal hernia, endoscopic view C016 / 8330
Hiatal hernia. Endoscopic view of a hiatal hernia (gastro-oesophageal prolapse), seen from below, with the endoscope(black) seen in an inverted position inside the stomach

Hiatal hernia, endoscopic view C016 / 8329
Hiatal hernia. Endoscopic view of a hiatal hernia (gastro-oesophageal prolapse), seen from above. A hernia is the protrusion of an organ, or the fascia of an organ

Major duodenal papilla, endoscopic view C016 / 8324
Major duodenal papilla. Endoscopic view of the interior of a persons small intestine, showing the major duodenal papilla. This structure is where the common bile duct

Small intestine, endoscopic view C016 / 8323
Small intestine. Endoscopic view of the healthy interior of a persons duodenum - the first part of the small intestine, showing the muscular wall

Lining of the duodenum, endoscopic view C016 / 8321
Lining of the duodenum. Endoscopic view of the lining of the duodenum - the first section of the small intestine - showing lipid (fat, white) filled villi

Antrum occult mucosal bleeding C016 / 8314
Antrum occult mucosal bleeding. Endoscopic view of the interior of a patients antrum (final portion of stomach), showing bleeding (red) of the mucosal lining

Stomach wall, confocal light micrograph C016 / 3127
Stomach wall. Laser scanning confocal light micrograph of a section through the wall of a stomach

Coloured SEM of healthy bladder epithelium
Bladder epithelium. Coloured scanning electron micrograph (SEM) of healthy urinary bladder epithelium or mucosa. This lining is formed from epithelial cells (brown)

Coloured SEM of epithelial cells in the oesophagus
Oesophagus epithelium. Coloured scanning electron micrograph (SEM) of the epithelium (lining) of the oesophagus. The roughly rectangular epithelial cells have a highly folded surface

Coloured SEM of a secreting uterine gland

Small intestine villus, SEM
Small intestine villus. Coloured scanning electron micrograph (SEM) of a freeze fracture section through a villus from the mucosal lining of the small intestine

Colour SEM of cross-section through stomach wall
Stomach mucosa. Coloured Scanning Electron Micrograph (SEM) of a cross section through the mucous membrane (or mucosa) lining the inside of the human stomach. The mucosa is the thick yellow layer

Coloured SEM of the stomach mucosa & gastric pit
Stomach wall. Coloured Scanning Electron Micrograph (SEM) of the surface of the fundus region of the human stomach. At centre is a dark opening known as a gastric pit

False-colour SEM of secreting gastric glands
False-colour scanning electron micrograph (SEM) of secreting gastric glands of the stomach. Gastric glands occur as downgrowths of the stomach epithe- lium, forming pits (seen here)

False-colour SEM of glandular stomach wall
False-colour scanning electron micrograph (SEM) of the glandular lining of the stomach. The gastric mucosa is the site of production of hydrochloric acid, digestive enzymes, hormones and mucous

Colour SEM of villi in the small intestine
Intestinal villi. Coloured Scanning Electron Micrograph (SEM) of villi in the small intestine. Villi are folded projections of the mucous membrane that line the inside wall of the small intestine

Lung lining, SEM
Lung lining. Coloured scanning electron micrograph (SEM) of mucus-producing cells (orange, round) and cilia (yellow) lining a bronchus (lung airway)

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"Mucosa: The Versatile Lining of our Body's Vital Systems" The mucosa, a remarkable lining found in various parts of our body, plays an essential role in maintaining the health and functionality of several vital systems. From the nasal passages to the digestive tract, let's explore some intriguing aspects of this versatile tissue. Starting with the nasal lining, microscopic images captured through Scanning Electron Microscopy (SEM) reveal its intricate structure. This delicate mucosal layer not only filters out impurities but also warms and moisturizes the air we breathe. Moving on to the stomach, Gastric Antral Vascular Ectasia C016/8328 showcases a condition where blood vessels within the gastric mucosa become dilated. Understanding such anomalies helps medical professionals diagnose and treat related disorders effectively. Inhaling allergens can trigger allergic reactions within our trachea. SEM images provide a closer look at how these irritants interact with tracheal mucosa, leading to symptoms like coughing or wheezing. Cross-sections of both human stomach and large intestine illustrate their respective mucosal layers' importance in digestion and nutrient absorption. These illustrations help us comprehend how food interacts with these linings as it progresses through our digestive system. Conceptual images depicting peptic ulcers highlight one potential consequence when gastric mucosa becomes damaged due to factors like stress or bacterial infection. Such visuals emphasize why early detection and appropriate treatment are crucial for managing this condition effectively. When gallbladder-related issues arise, cholecystectomy may be necessary—the surgical removal of this organ responsible for storing bile produced by the liver. Illustrations showcasing this procedure shed light on how surgeons navigate around surrounding tissues while removing it safely. A conceptual image representing the entire human digestive system provides an overview of all organs involved—each equipped with its own specialized type of mucosal lining that contributes uniquely to overall digestion efficiency. Lastly, another conceptual image reveals the formation of gallstones within the gallbladder.