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Spleen Angiogram
The splenic artery supplies the spleen and substantial portions of the stomach and pancreas. The splenic artery courses superior and anterior to the splenic vein, along the superior edge of the...
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Laparotomy
A laparotomy is a surgical procedure involving a large incision through the abdominal wall to gain access into the abdominal cavity. Photo from Flickr (deflam). This laparotomy was performed for...
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Abdominal Aneurysm MRA
An abdominal aortic aneurysm is usually diagnosed by physical exam, ultrasound, or CT. Plain abdominal radiographs may show the outline of an aneurysm when its walls are calcified. However, this is the...
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Coarctation of the Aorta
Coarctation of the aorta, or aortic coarctation, is a congenital condition whereby the aorta narrows in the area where the ductus arteriosus (ligamentum arteriosum after regression) inserts. Image of...
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Polyarteritis Nodosa
Polyarteritis nodosa is a vasculitis of medium & small-sized arteries, which become swollen and damaged from attack by rogue immune cells. (from Wikipedia) Image from NEJM (link) Coronary...
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Aorta and Vena Cava
Human thorax and pectoral girdle with isolated arteries and veins The abdominal (or thoracic) aorta and the inferior vena cava are the major artery and vein, respectively, that follow the spine down to...
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Vein Viewer
U.S.-based Luminetx has developed the VeinViewer to afford medical professionals a quick and convenient look at a patient’s vasculature. A near-infrared LED (light emitting diode) source differentiates...
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Capillary SEM
Capillary with red blood cells Color-enhanced image of a capillary. The endothelial cells (purple) that line the blood vessel are surrounded by supporting pericytes (turquoise). Two red blood cells can...
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Polymorphonuclear Lymphocytes
Polymorphonuclear leukocytes (PMN), or granulocytes, are a type of white blood cell. They arise from the myeloid cell line in the bone marrow and help the body to fight infection. PMNs include...
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Petechiae
Petechiae are small (1-2mm) red or purple spots on the body, caused by a minor hemorrhage (broken capillary blood vessels). Image from forensics4fiction.com The most common cause of petechiae is...
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Angioma
Angiomas are benign tumors derived from cells of the vascular or lymphatic vessel walls (epithelium) or derived from cells of the tissues surrounding these vessels Image credit: Michel Royon (link)...
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Maffucci
Maffucci syndrome is distinguished from similar disorders involving enchondromas by the presence of red or purplish growths in the skin consisting of tangles of abnormal blood vessels (hemangiomas)....
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Hydrocephalus skull
Hydrocephalus, also known as “water on the brain,” is a medical condition in which there is an abnormal accumulation of cerebrospinal fluid (CSF) in the ventricles, or cavities, of the brain. This may...
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Hemifacial flushing
Hemifacial flushing developed in a 48-year-old man after he underwent laparoscopic cholecystectomy and pancreatic necrosectomy. Image from NEJM (link). Image from Peter Keogh, MB, B.Ch. After the...
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Miguel Servet stamp
This 2011 stamp from Spain honors the 500th anniversary of the birth of Miguel Servet and schematically depicts the systemic and pulmonary circulatory systems. Servet is also known as Michael Servetus...
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Muscular Artery
Muscular artery. Van Gieson’s Stain is a mixture of Picric Acid and Acid Fuchsin. It is the simplest method of differential staining of Collagen and other Connective Tissue. Image from...
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