Portal:Medicine/Selected picture

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Selected pictures

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Surgical incision in right shoulder, 7 days after surgery. The incision was closed with surgical staples.

Photo credit: Llywrch

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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)

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Human eye.

Photo credit: Original uploader was Che (CC-BY-2.5)

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Cross section of a human liver, taken at autopsy examination, showing multiple large pale tumor deposits. The tumor is an adenocarcinoma derived from a primary lesion in the body of the pancreas.

Photo credit: Haymanj

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Lateral radiograph of the knee of a child demonstrating fragmentation of the tuberosity of the tibia (see inset) with overlying soft tissue swelling, indicative of Osgood-Schlatter disease.

Photo credit: Kristin M Houghton; Radiograph courtesy of BC Children's Hospital. (cc-by-2.0)

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The Achilles' tendon.

Photo credit: PD image from Gray's Anatomy, from bartleby.com.

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This is a picture of a human fetus at 6 weeks' gestational age (i.e. 4 weeks after fertilization).

Photo credit: The present image (without watermark) was donated by Wouter Vergeer <[email protected]> on Wednesday, August 29, 2007 on behalf of 3DPregnancy.com.

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Human Embryo (7th week of pregnancy, 5th weeks p.o.).

Photo credit: https://www.flickr.com/photos/euthman/304334264

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Computer tomography of brain, from base of the skull to top. Taken with intravenous contrast medium.

Photo credit: Radiology, Uppsala University Hospital. Brain supplied by Mikael Häggström. It was taken Mars 23, 2007, after an incidence of homonymous hemianopsia, but nothing strange was found. No further symptoms have appeared since then.

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Horizontal optokinetic reflex, a form of physiologic nystagmus.

Photo credit: Student BSMU, GFDL

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A black hairy tongue.

Photo credit: Original uploader was User:Com4

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Animated sequence from a CTPA study.

Photo credit: Original uploader was KieranMaher at en.wikibooks

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3D VR of a CT scan.

Photo credit: Original uploader was KieranMaher at en.wikibooks

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Holter monitor.

Photo credit: Original uploader was Jason7825 at en.Wikipedia

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Cyst of the wisdom tooth.

Photo credit: Public Domain

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A thoracic surgeon performs a mitral valve replacement at the Fitzsimons Army Medical Center.

Photo credit: http://www.dodmedia.osd.mil/Assets/1991/Army/DA-ST-91-01841.JPEG

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Eyelid affected by Stye.

Photo credit: Public Domain

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Human distal femur shot with a 510-grain lead Minié ball fired from a .58 caliber Springfield Model 1862 rifle.

Photo credit: National Institutes of Health, Health & Human Services

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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".

Photo credit: Bibliothèque Interuniversitaire de Médecine - http://www.bium.univ-paris5.fr/histmed/medica/page?00584&p=82

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Diagram of the human heart.

Photo credit: Original uploader was Yaddah

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Human heart.

Photo credit: User:Stanwhit607

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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.

Photo credit: Public Domain

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The life cycle of Onchocerca volvulus, a parasitic worm which causes river blindness.

Photo credit: Giovanni Maki, derived from a CDC image at [1]

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The process of clinical islet transplantation for the treatment of diabetes mellitus.

Photo credit: Giovanni Maki through PLoS Medicine

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Behind the ear aid.

Photo credit: User:Nordelch

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Breast normal anatomy cross-section view.

Photo credit: Patrick J. Lynch, medical illustrator

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Annotated diagram of cervical vertebrae from an oblique viewpoint.

Photo credit: user:debivort

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The cardiovascular system and principal organs of a woman (c. 1507) is a drawing by Leonardo da Vinci.

Photo credit: Public domain

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SPECT nuclear imaging of the heart, short axis views.

Photo credit: Patrick J. Lynch, medical illustrator

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Heart posterior left ventricular wall infarction.

Photo credit: Patrick J. Lynch, medical illustrator

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Eye and orbit anatomy with motor nerves.

Photo credit: Patrick J. Lynch, medical illustrator

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Primary pulmonary lobule to include terminal bronchiole, respiratory bronchiole, alveolar sacs, alveolar ducts and surrounding capillary bed. This is the primary, functional unit of gas exchange in the lung. Approximately 3-5 primary pulmonary lobules are delimited by pulmonary lymphatics and venules to create secondary pulmonary lobules (not shown).

Photo credit: Patrick J. Lynch, medical illustrator

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Cartoon of the alpha intercalated cell, showing the apical proton pump and the basolateral band 3 (kAE1)

Photo credit: public domain (by Felix-felix)

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The lateral meniscus (1), a crescent-shaped structure seen inside the knee during arthroscopy. It is located between the thigh bone (2, above) and the shin bone (3, below). In this case, the cartilage on the shin bone displays a fissure (seen at the tip of the metal teaser instrument).

Photo credit: User Arthroscopist on Wikimedia Commons

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American Zouave ambulance crew demonstrating removal of wounded soldiers from the field, during the American Civil War.

Photo credit: Civil War glass negative collection (Library of Congress)

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CT scan showing lung cancer in the right lung.

Photo credit: Lange123

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Avian Flu vaccine development by reverse genetics techniques.

Photo credit: public domain

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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.

Photo credit: public domain

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Henipavirus structure

Photo credit: User:Rhys

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Pavlik harness is used to treat hip dysplasia.

Photo credit: User:Londenp

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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).

Photo credit: User:Limbicsystem

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Serpin activity

Serpin activity

Photo credit: Public domain

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A mature human spermatozoon

Photo credit: User:LadyofHats

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Diagram of a myocardial infarction

Photo credit: User:JHeuser

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Spinal disc herniation

Photo credit: User:Mjorter

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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.

Photo credit: User:Metju

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Endoscopic image of deep gastric ulcer in the gastric antrum.

Photo credit: User:Samir

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A bone marrow harvest.

Photo credit: Public Domain

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Hand-drawing of the image of Subarachnoid Hemorrhage CT scan.

Photo credit: Chikumaya (ja.Wikipedia)

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Picture of an Anthrax bacteria

Photo credit: Source

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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

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Premature baby in an incubator. El Tahrir el Aam (General Liberation Hospital), Basrah, Iraq.

Photo credit: Thomas Hartwell

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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).

Photo credit: jemsweb

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Macrophages begin to fuse with, and inject its toxins into, the cancer cell. The cell starts rounding up and loses its spikes.

Photo credit: Susan Arnold (photographer)

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Insertion of an electrode during deep brain stimulation for Parkinson's disease.

Photo credit: User:Thomasbg

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Spiral CT depiction. Rotation of image acquisition apparatus (Tube and sensor array) around the patient.

Photo credit: Nevit Dilmen

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Acromio-clavicular disjunction (left shoulder) — note that the shoulder is lower and the "piano key"; the scar on the photograph and the screws on the radiograph are from internal fixation repair of a former trauma, without any connection with the present trauma

Photo credit: Christophe Dang Ngoc Chan

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Cataract in human eye.

Photo credit: Rakesh Ahuja, MD

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Strabismus surgery

Photo credit: Bticho

A photo of strabismus surgery, surgery on the extraocular muscles to correct misalignment of the eyes, being performed. In this image, the face appears upside down, and the surgeon is disinserting the medial rectus muscle. A Castroviejo locking forceps is grasping the superior pole of the muscle, while a Manson-Aebli scissors does the cutting. The eyelids are being held by a Cook speculum.

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This image from 11th century AH (17th century AD) is a Persian manuscript by Mansur ibn Muhammad Ahmad at the Majles Library, Tehran.

Photo credit: Seyyed Hossein Nasr (1976). Islamic Science:An Illustrated Study, World of Islam Festival Publishing Ltd.. ISBN 090503502X

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MRI-picture of coarctatio aortae with collaterals.

Photo credit: User:Ekko

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This follicular adenoma of the thyroid is shown in a right lobectomy specimen, sectioned vertically and viewed from the posterior aspect to show a 2.7 cm tumor distending the lower pole.

Photo credit: [2]

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Computed tomography scan

Photo credit: User:Sundar

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Animation of oxy and deoxy forms of hemoglobin

Photo credit: Molecule of the Month by www.pdb.org

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Sagittal view of a fetal face (22 weeks).

Photo credit: User:Mirmillon

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Human karyotype with color added to distinguish chromosome pairs.

Photo credit: nih.gov

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HIV particle budding from a human cell.

Photo credit: aidshistory.nih.gov

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Ribbon diagram of a heptameric, 63 kDa cleavage fragment (PA₆₃) of the protective antigen (PA) protein, produced by Bacillus anthracis as part of the anthrax toxin. The quaternary structure is that of a pre-pore, which later forms a channel that allows other toxins into the cytosol of the target cell, so the pathogen can cause damage to the host.

Photo credit: [3]

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Normal (left) versus cancerous (right) mammography image.

Photo credit: Courtesy of the National Cancer Institute

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Diabetic macular edema.

Photo credit: National Eye Institute, National Institutes of Health

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PA view Chest X-Ray of Canadian dollar coin in esophagus of child.

Photo credit: Released per permission of mother

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A PET scan can show patterns in the brain which aid the physician in diagnosing and treating Parkinson's Disease.

Photo credit: Source

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Sequence alignment of 27 H9N2 avian influenza hemagglutinin protein sequences. The top section is colored by residue conservation and the bottom by residue chemical properties. Alignment produced with ClustalW.

Photo credit: Opabinia regalis

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The left hip of this dog (on the right side of the X-ray) has an artificial hip. The right hip has hip dysplasia with osteoarthritis and remodeling of the head of the femur.

Photo credit: Joelmills

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Animation of a rotating DNA structure.

Photo credit: Brian0918

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Embryo at 12 weeks.

Photo credit: User:Mirmillon

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Spread of SARS from the Metropole Hotel in Hong Kong as of March 28, 2003.

Photo credit: [4]

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Histopathology of amebic meningoencephalitis due to Naegleria fowleri. Direct fluorescent antibody stain.

Photo credit: [5]

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X-ray of the pelvis of a patient with osteopetrosis, adult onset form (Albers-Schonberg disease). Note the dense bones.

Photo credit: Konstantinos C Soultanis, Alexandros H Payatakes, Vasilios T Chouliaras, Georgios C Mandellos, Nikolaos E Pyrovolou, Fani M Pliarchopoulou and Panayotis N Soucacos (cc-by-2.0)

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Animation of hemoglobin t-r state transformation.

Photo credit: User:BerserkerBen

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Micrograph of sickle red blood cells.

Photo credit: [6]

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Magnetic resonance imaging

Photo credit: Fastfission

Magnetic resonance imaging is a commonly used form of medical imaging which creates images of the inside of opaque organs in living organisms and detects the amount of bound water in geological structures. It is primarily used to visualise alterations of living tissues. A functional MRI scan (shown in the image) measures signal changes in the brain that are due to changing neural activity.

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Vesalius' De humani corporis fabrica, plate 164. Original scanned page from 1543 edition. Plate 164 is described as "Drawing of the Bones of the Human Body, Seen from the Side".

Photo credit: User:Encephalon

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The sinoatrial node (abbreviated SA node or SAN, also called the sinus node) is the impulse generating (pacemaker) tissue located in the right atrium of the heart.

Photo credit: User:JHeuser

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T1-weighted MRI scans (with contrast) of the same brain slice at monthly intervals. Bright spots indicate active lesions of multiple sclerosis.

Photo credit: Public domain (U.S. Brookhaven National Laboratory)

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Hospital Corpsman Brian Long, of Sellersville, Pa., attempts to read a standard eye chart from twenty feet with the help of an Optical Refractor aboard the aircraft carrier USS John F. Kennedy (CV 67).

Photo credit: [7]

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Scanning electron micrograph of HIV-1 budding from cultured lymphocyte. Multiple round bumps on cell surface represent sites of assembly and budding of virions.

Photo credit: Centers for Disease Control / C. Goldsmith

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This is a dorsal root ganglion (DRG) from a chicken embryo (around stage of day 7) after incubation overnight in NGF growth medium.

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A sperm attempts to penetrate the ovum coat to fertilize it.

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Scheme of semipermeable membrane during hemodialysis. Red = blood, blue = dialysing fluid, yellow = membrane.

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Completed tracheotomy: 1 - Vocal cords, 2 - Thyroid cartilage, 3 - Cricoid cartilage, 4 - Tracheal cartilages, 5 - Balloon cuff.

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A Mantoux tuberculin skin test, used to evaluate people for latent tuberculosis (TB) infection.

Photo credit: Greg Knobloch, United States Centers for Disease Control and Prevention (public domain)

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This young girl in Bangladesh was infected with smallpox in 1973. Freedom from smallpox was declared in Bangladesh in December, 1977.

Photo credit: James Hicks, United States Centers for Disease Control and Prevention (public domain)

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The pathognomonic erythematous rash of Lyme disease is called erythema migrans. It has the pattern of a “bull’s-eye”, which manifested at the site of a tick bite on this woman’s right upper arm.

Photo credit: James Gathany, United States Centers for Disease Control and Prevention (public domain)

erythema chronicus migrans

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Dermatographic urticaria ("skin writing"). Done by writing the "invisible" letters with an empty ball-point pen and waiting for a couple of minutes.

Photo credit: Mysid (public domain)

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Animation of a three-dimensional echocardiogram. The heart is viewed from the apex (tip), with the apical part of the ventricles removed. The mitral valve can clearly be seen to open and close. The leaflets of the tricuspid and aortic valve are not clearly visible, but the openings are. To the left are two standard two-dimensional views.

Photo credit: Kjetil Lenes (GFDL/cc-by-sa-3.0)

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A child is prepared for polysomnography (PSG). Polysomnography is a comprehensive recording of the biophysiological changes that occur during sleep. The PSG monitors many body functions including brain (Electroencephalography), eye movements (Electrooculography), muscle activity or skeletal muscle activation (Electromyography), heart rhythm (electrocardiogram), and breathing function or respiratory effort during sleep.

Photo credit: Robert Lawton (cc-by-sa-2.5)

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Keratosis pilaris is a very common genetic disorder of the hair follicle that is manifested by the appearance of rough bumps on the skin and hence colloquially referred to as "chicken skin".

Photo credit: Irja from San Francisco (cc-by-sa-2.0)

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