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Accessory bones of the ankle. [13]Accessory bones at the ankle mainly include: Os subtibiale, with a prevalence of approximately 1%. [14] It is a secondary ossification center of the distal tibia that appears during the first year of life, and which in most people fuses with the shaft at approximately 15 years in females and approximately 17 years in males.
The episternal ossicles were first described by Cobb in 1937. [2] They may be present unilaterally or bilaterally. [3] Its size ranges from 2–15 mm depending on individuals. [4] These ossicles are asymptomatic and does not cause any harm, although it may be diagnosed as fracture, vascular ossification or calcified lymph nodes.
Type 2: Triangular or heart-shaped ossicle measuring up to 12 mm, which represents a secondary ossification center connected to the navicular tuberosity by a 1–2 mm layer of fibrocartilage or hyaline cartilage. Portions of the posterior tibialis tendon sometimes insert onto the accessory ossicle, which can cause dysfunction, and therefore ...
Radiopaedia is a wiki-based international collaborative educational web resource containing a radiology encyclopedia and imaging case repository. [1] It is currently the largest freely available radiology related resource in the world with more than 50,000 patient cases and over 16,000 reference articles on radiology-related topics.
The Exploratorium is a museum of science, technology, and arts in San Francisco, California.Founded by physicist and educator Frank Oppenheimer in 1969, the museum was originally located in the Palace of Fine Arts and was relocated in 2013 to Piers 15 and 17 on San Francisco's waterfront.
The triquetral bone (/ t r aɪ ˈ k w ɛ t r əl,-ˈ k w iː-/; also called triquetrum, pyramidal, three-faced, and formerly cuneiform bone) is located in the wrist on the medial side of the proximal row of the carpus between the lunate and pisiform bones.
The beginning of the nuclear age is not a single subject but a series of subjects that lead one to another in an unending chain reaction...That this is tacitly recognized is the most valuable aspect of The Day after Trinity: J. Robert Oppenheimer and the Atomic Bomb, Jon Else's documentary feature that opens today (January 20, 1981) at the ...
Learn how to download and install or uninstall the Desktop Gold software and if your computer meets the system requirements.