The earliest illustration of tuberous sclerosis, with clusters of facial angiofibromas, displayed in Rayer's colour atlas of skin diseases published in 1835: "Traité des maladies de la peau".
Factor Correspondence Analysis Comparing Different Individuals from European Ancestry Groups. The analysis was performed using 749 single nucleotide polymorphisms (SNPs) informative for European substructure (selected from a genome-wide panel of more than 5700 SNPs).
Photo credit: Seldin MF, Shigeta R, Villoslada P, Selmi C, Tuomilehto J, et al. (2006) European Population Substructure: Clustering of Northern and Southern Populations. PLoS Genet 2(9): e143
Fig. 4(b)
The image illustrates the processing principals of a positron emission tomograph (PET) commonly used during cancer diagnostics. It shows how during the annihilation process two photons are emitted in diametrically opposing directions. These photons are registered by the PET as soon as they arrive at the detector ring. After the registration, the data is forwarded to a processing unit which decides if two registered events are selected as a so-called coincidence event. All coincidences are forwarded to the image processing unit where the final image data is produced via image reconstruction procedures.
Yersinia pestis seen at 2000x magnification. This bacterium, carried and spread by fleas, is generally thought to have been the cause of millions of deaths
Significant bilateral nephrocalcinosis (calcification of the kidneys) on a frontal X-ray (radiopacities (white) in the right upper and left upper quadrant of the image), as seen in distal renal tubular acidosis.
Side-by-side comparison of two images of apples as seen by a trichromatic observer and the same apples as seen by a deuteranope (color blind individual)
Herpes labialis. Cold sore on the lower lip. These infections may appear on the lips, nose or in surrounding areas. The sores may appear to be either weeping or dry, and may resemble a pimple, insect bite, or large chicken-pox lesion.
Images from a cystoscopy. The top two images show the interior of a bladder. The top left image shows the bladder wall, the top right shows the cystoscope passing into the bladder from the urethra. The bottom two images show an inflamed urethra.
Photo credit: Cystoscopy carried out on Michael Reeve (29-year-old male), 25 April 2005, at the North London Nuffield Hospital
A hysterosalpingogram. Note the catheter entering at the bottom of the screen, and the dark contrast material filling the uterine cavity (small triangle in the center) and outlining the Fallopian tubes (winding structures on left and right).
Acromion-clavicle disjonction (left shoulder) — note that the shoulder is lower and the "piano key"; the scar on the photograph and the screws on the radiography are ostheosynthesis material from a former trauma repair, without any connection with the present trauma
Photo of strabismus surgery. The medial rectus muscle is being disinserted following pre-placement of vicrylsutures. A Castroviejo locking forceps is grasping the superior pole of the muscle, while a pair of Manson-Aebli scissors does the cutting. The eyelids are being held by a Cook speculum.
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