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)

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

Nose mucosa, light micrograph
Nose mucosa. Light micrograph of a section through the nasal mucosa (the tissue that lines the airways of the nose), in the region lying over the nasal concha

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

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)

Bladder lining
Bladder epithelium. Coloured scanning electron micrograph (SEM) of the partially-sectioned epithelium of a healthy urinary bladder

False-colour SEM of gastric gland in stomach
Gastric gland: false-colour scanning electron micrograph (SEM) of the mucous membrane lining the stomach, featuring a single, circular gastric gland

Internal wall of uterus, SEM
Internal wall of uterus. Coloured scanning electron micrograph of the mucosa, also known as endometrium, lining the body of the human uterus

False colour SEM of entrance to gastric gland
False-colour scanning electron micrograph (SEM) of the mucous membrane lining the stomach, showing the entrance to a gastric gland

Uterine lining, SEM
Uterine lining. Coloured scanning electron micrograph (SEM) of the lining of a uterus. This is the endometrium, a highly-folded mucous membrane that is covered with ciliated epithelial cells

Small intestine lining, SEM
Small intestine villi. Coloured scanning electron micrograph (SEM) of villi (folds) on the lining of the small intestine. Villi greatly increase the intestinal surface area for absorbing nutrients

F / colour SEM of oesophagus-stomach transition zone
F/colour SEM of oesophagus-stomach transition zone

Small intestine villi, SEM
Small intestine villi. Coloured scanning electron micrograph (SEM) of villi (folds) on the lining of the small intestine. Villi greatly increase the intestinal surface area for absorbing nutrients

Stomach wall, SEM
Stomach wall. Coloured scanning electron micrograph (SEM) of a section through a freeze- fractured fold in the stomach wall

Colon lining. Fluorescence confocal light micrograph of the lining of a mouse colon (large intestine). The colon starts at the small intestine and ends at the rectum

Oesophagus, SEM
Oesophagus. Coloured scanning electron micrograph (SEM) of a freeze-fracture through the muscularis externa of the oesophagus. This forms part of the muscularis mucosa found throughout the gut

False-colour SEM of gastric glands of stomach
Gastric gland: false-colour scanning electron micrograph (SEM) of the mucous membrane lining the stomach, showing the shadowy entrances to a number of gastric glands

Coloured SEM of surface cells of the gall bladder
Gall bladder. Coloured scanning electron micro- graph (SEM) of cells on the wall of the gall bladder. This lining mucosa is made up of columnar epithelial cells

Colour SEM of the stomach mucosa & gastric pits

Fallopian tube section, light micrograph
Fallopian tube section. Coloured light micrograph of a section through the ampulla of a fallopian tube. The fallopian tube, or oviduct, conveys the egg from the ovary to the uterus

Fallopian tube lining, SEM
Fallopian tube lining. Coloured scanning electron micrograph (SEM) of the folded internal mucosal lining of a fallopian tube (oviduct)

False-colour SEM of wall of colon, with bacteria

Illustration of nose & nasal mucosa

Asthma, artwork
Asthma. Computer artwork of allergens (green) in the airways of the lungs. Allergens, such as dust and pollen, can trigger an asthma attack

Inflamed gall bladder, light micrograph
Inflamed gall bladder. Light micrograph of a section through a gall bladder with cholecystitis (inflammation). The mucosa lining (purple) is thickened

Ulcerative colitis, SEM
Ulcerative colitis. Coloured scanning electron micrograph (SEM) of freeze-fractured bowel tissue from a patient suffering from ulcerative colitis

Cryptosporidiosis, TEM

Stomach lining with gastric pits, SEM
Stomach lining. Coloured scanning electron micrograph (SEM) of the inner lining of the stomach (gastric mucosa). The large folds are known as rugae

Coloured SEM of uterus wall (early proliferation)
Uterus (early proliferation). Coloured scanning electron micrograph (SEM) of the endometrium (lining) of the human uterus during the early proliferative stage of the menstrual cycle

Trachea mucous membrane, SEM
Trachea mucous membrane. Coloured scanning electron micrograph (SEM) of a fractured mucous membrane of the trachea (wind pipe), showing the epithelium and underlying connective tissue

Gall bladder surface, SEM
Internal lining of the gall bladder, coloured scanning electron micrograph (SEM). These columnar epithelial cells are covered in microvilli. Magnification: x2100 when printed at 10 centimetres wide

Sperm cell, SEM
Sperm cell. Coloured scanning electron micrograph (SEM) of a sperm cell in a fallopian tube. Magnification: x400 when printed at 10 centimetres wide

Stomach wall, artwork
Artwork of the anatomy of the stomach wall showing a magnified view (at lower frame) of the folded inner gastric lining (mucosa) which secretes digestive enzymes and mucus, its blood supply

Small intestine structures, artwork
Small intestine structures. Artwork sequence of magnified views of the small intestine, with the magnification increasing from top to bottom

Nasal mucosa, artwork
Nasal mucosa, cross-section. Artwork of a sequence (left to right) showing mucus production in response to infection and inflammation

Intestinal villi anatomy, artwork
Intestinal villi anatomy. Artwork showing six types of cell found on the surface of villi in the small intestine. Clockwise from upper right they are: enterocytes (green)

Intestinal anatomy, artwork
Intestinal anatomy. Computer artwork showing the layers of the small intestine. The central space (lumen) is surrounded by the mucosa (beige, folded), which has numerous folds (villi)

Trachea with pollen grains, SEM
Trachea (windpipe) with pollen grains, coloured scanning electron micrograph (SEM). When airborne particles such as pollen grains are breathed in through the nose or mouth

Small intestine lining, light micrograph
Small intestine lining. Light micrograph of a section through the finger-like projections (villi) of the duodenum, the uppermost part of the small intestine

Gall bladder surface, light micrograph
Gall bladder surface. Coloured light micrograph of a section through a gall bladder, showing the surface tissue layers. The gall bladders surface is made up of tiny finger-like projections called

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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.