Tract Collection (page 4)

Threadworms in the gut, SEM
Threadworms in the gut. Coloured scanning electron micrograph (SEM) showing threadworms (Enterobius sp. orange) on the interior surface of a human intestine

Colorectal cancer cell, SEM
Colorectal cancer cell. Coloured scanning electron micrograph (SEM) of a cancer cell from the human colon (large intestine). Cancer of the colon is also known as colorectal cancer

Trachea lining, SEM C015 / 9939
Trachea lining. Coloured scanning electron micrograph (SEM) of a section through the lining of the trachea (wind pipe). The trachea links the larynx (voice box) to the lungs

Trachea lining, SEM C015 / 9610
Trachea lining. Coloured scanning electron micrograph (SEM) of the lining of the trachea (wind pipe). The trachea links the larynx to the lungs

Trachea lining, SEM C015 / 9609
Trachea lining, SEM

Trachea lining, SEM C016 / 9755
Trachea lining. Coloured scanning electron micrograph (SEM) of the lining of the trachea (wind pipe). The trachea links the larynx to the lungs

Intestinal microvilli, SEM C014 / 1452
Intestinal microvilli. Coloured transmission electron micrograph (SEM) of a transverse section through microvilli, showing their interiors

Dividing cancer cell, SEM C014 / 0362
Dividing cancer cell. Coloured scanning electron micrograph (SEM) of a colorectal cancer cell undergoing mitosis (nuclear division) and splitting into two daughter cells (left and right)

Intestinal microvilli, SEM C014 / 1451
Intestinal microvilli. Coloured transmission electron micrograph (SEM) of a transverse section through microvilli, showing their interiors

Intestinal microvilli, TEM C014 / 1454
Intestinal microvilli. Transmission electron micrograph (TEM) of a section through an epithelial cell from a human small intestine, showing the densely packed microvilli

Intestinal microvilli, TEM C014 / 1453
Intestinal microvilli. Transmission electron micrograph (TEM) of a section through an epithelial cell from a human small intestine, showing the densely packed microvilli

Kidney stones, artwork
Kidney stones. Computer artwork showing a section through a human kidney containing kidney stones (whiteish). The ureter (lower left)

Bladder stones, artwork
Bladder stones. Computer artwork showing a section through a human bladder containing bladder stones (whiteish, centre). The urethra can be seen (vertical, lower centre)

Dividing cancer cell, SEM C014 / 0361
Dividing cancer cell. Coloured scanning electron micrograph (SEM) of a colorectal cancer cell undergoing mitosis (nuclear division) and splitting into two daughter cells (left and right)

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

Trachea lining, SEM C013 / 7127
Trachea lining. Coloured scanning electron micrograph (SEM) of the lining of a trachea (wind pipe), showing the cilia (hair-like) and goblet cells (pink). The trachea links the larynx to the lungs

Trachea lining, SEM C013 / 7125
Trachea lining. Coloured scanning electron micrograph (SEM) of the lining of a trachea (wind pipe), showing the cilia (hair-like) and goblet cells (orange). The trachea links the larynx to the lungs

Trachea lining, SEM C013 / 7124
Trachea lining. Coloured scanning electron micrograph (SEM) of a section through the wall of a trachea (wind pipe). The trachea links the larynx to the lungs

Trachea lining, SEM C013 / 7123
Trachea lining. Coloured scanning electron micrograph (SEM) of a section through the wall of a trachea (wind pipe). The trachea links the larynx to the lungs

Trachea lining, SEM C013 / 7121
Trachea lining. Coloured scanning electron micrograph (SEM) of a section through the wall of a trachea (wind pipe), showing the ciliated epithelial cells. The trachea links the larynx to the lungs

Trachea lining, SEM C013 / 7120
Trachea lining. Coloured scanning electron micrograph (SEM) of a section through the wall of a trachea (wind pipe), showing the ciliated epithelial cells. The trachea links the larynx to the lungs

Trachea lining, SEM C013 / 7119
Trachea lining. Coloured scanning electron micrograph (SEM) of a section through the wall of a trachea (wind pipe), showing the ciliated epithelial cells. The trachea links the larynx to the lungs

English chemist and physicist. Title page of Chymical, Medicinal, and Chyrurgical Addresses Made to Samuel Hartlib
ROBERT BOYLE (1627-1691). English chemist and physicist. Title page of Chymical, Medicinal, and Chyrurgical Addresses Made to Samuel Hartlib, Esquire

Homes in a densely populated neighborhood of San Jose, Costa Rica as seen from above

CHRISTIAN PERIODICAL. Title page of Glad Tidings, a Christian leaflet published by the American Tract Society, New York, late 19th century

PROTESTANT REFORMATION. Townspeople buying Martin Luthers tracts at the printing office in Wittenberg, Germany. Wood engraving, 19th century

BIBLE IN SCHOOLS, c1830. Title page of an American tract, c1830, featuring a republication of Dr. Benjamin Rushs A Defence of the Use of the Bible in Schools

Bamboo (Bambuseae sp. ) large tract dead after post-flowering die-back, Eaglenest Wildlife Sanctuary, Arunachal Pradesh
Bamboo (Bambuseae sp.) large tract dead after post-flowering die-back, Eaglenest Wildlife Sanctuary, Arunachal Pradesh, India, january

Secretory cells in pancreas, SEM
Pancreatic secretory cells. Coloured scanning electron micrograph (SEM) of a freeze-fracture through a healthy pancreas, showing the secretory tissue

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

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

Mechanics of swallowing, diagram
Mechanics of swallowing. Cutaway diagrams showing the process of swallowing. At left the mouthful of food (the bolus, green) is being pushed to the back of the mouth by the tongue

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

Stomach, computer artwork
Stomach. Computer artwork of the stomach, the first major organ of the digestive system. Food enters the stomach from the oesophagus (upper centre)

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

Oesophagus epithelium, SEM
Oesophagus epithelium. Coloured scanning electron micrograph (SEM) of the lining of the human oesophagus or gullet (yellow) and two unknown bacteria (pink & purple)

Healthy small intestine, barium enema
Healthy small intestine, coloured contrast barium enema X-ray. This X-ray of the abdomen shows a healthy coiled small intestine (centre and upper centre)

Irritable bowel syndrome. Artwork of a digestive system suffering from irritable bowel syndrome (IBS). IBS is also known as spastic colon or irritable colon syndrome

Fallopian tube, TEM
Fallopian tube, coloured transmission electron micrograph (TEM). Section through non-ciliated columnar epithelium from a fallopian tube. The ciliated cells are not shown here

Fallopian tube cells, SEM
Fallopian tube cells. Coloured scanning electron micrograph (SEM) of the surface of a fallopian tube, showing non-ciliated (pink) and ciliated (yellow) cells

Stomach lining, light micrograph. The stomach lumen is lined by mucous cells. At bottom centre is an accumulation of lymphocytes forming a lymphatic nodule in the sub mucosa

Bowel pain, artwork
Bowel pain. Computer artwork of a naked woman with bowel pain (orange), which could be caused by IBS (irritable bowel syndrome) or Crohns disease

Bile duct, SEM
Bile duct. Coloured scanning electron micrograph (SEM) of a fractured bile duct. Columnar epithelial cells are red and brown, lamina propria is green and microvilli are purple

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"Exploring the Diverse Tracts of Knowledge: From Gallstones to Religious Engravings" Delve into history with the Brooklands Poster, a captivating glimpse into motorsport's golden age. Uncover the secrets of our bodies through artwork like the intricate depiction of gallstones or a mesmerizing SEM image of the small intestine. Discover the therapeutic benefits of taking water at Bad Wildungen, Germany - an oasis for rejuvenation and healing. Dive deep into fish anatomy as you explore a historical model that unravels their fascinating inner workings. Unlock mysteries within our brains by examining white matter fibers through a cutting-edge DTI scan. Join renowned footballer Tim Cahill on his journey to success, as he leaves his own unique tract in sports history. Step back in time to Victorian England and witness Mary Jones with her Bible, symbolizing unwavering faith during an era defined by religious tracts. Chuckle at a comic postcard depicting a temperance speaker and their audience, shedding light on societal attitudes towards alcohol consumption in yesteryears. Reflect upon human vices through a Russian schematic illustration from 1850 showcasing the Seven Deadly Sins - reminding us of timeless moral tracts that shape society's conscience. Transport yourself to 1783 with "The Coalition-Dance, " capturing political satire through William Humphrey's hand-colored etching - offering insights into how tracts were used for political commentary. In this vast world filled with diverse tracts ranging from medical discoveries and historical artifacts to religious teachings and social commentaries, there is no shortage of knowledge waiting to be explored.