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The Mari Lwyd (Welsh: Y Fari Lwyd, [ 1 ] [ə ˈvaːri ˈlʊi̯d] ⓘ) is a wassailing folk custom found in South Wales. The tradition entails the use of an eponymous hobby horse which is made from a horse's skull mounted on a pole and carried by an individual hidden under a sheet. The custom was first recorded in 1800, with subsequent accounts ...
In birds and mammals, bone marrow is the primary site of new blood cell production (or haematopoiesis). [3] It is composed of hematopoietic cells, marrow adipose tissue, and supportive stromal cells. In adult humans, bone marrow is primarily located in the ribs, vertebrae, sternum, and bones of the pelvis. [4]
Scrimshaw. Scrimshaw is scrollwork, engravings, and carvings done in bone or ivory. Typically it refers to the artwork created by whalers, engraved on the byproducts of whales, such as bones or cartilage. It is most commonly made out of the bones and teeth of sperm whales, the baleen of other whales, and the tusks of walruses.
The Cave of Altamira (/ ˌæltəˈmɪərə / AL-tə-MEER-ə; Spanish: Cueva de Altamira [ˈkweβa ðe altaˈmiɾa]) is a cave complex, located near the historic town of Santillana del Mar in Cantabria, Spain. It is renowned for prehistoric cave art featuring charcoal drawings and polychrome paintings of contemporary local fauna and human hands.
Trabecular edema, also known as bone marrow edema (BME), is a traditional term describing the interstitial fluid accumulation at the trabecular bone marrow. The term was first used in 1988, [1] referring to the changes in the bone marrow due to inflammation. [3] Bone marrow edema was later renamed to bone marrow lesion (BML), as later studies ...
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A Jamshidi needle used to collect bone marrow. Bone marrow is often harvested from the sternum, ischium, or ileum. The sternum and ileum contain the same quality of stem cells, but the ileum is usually harder to use in horses older than 5 years of age, because the marrow cavity shrinks. Marrow is collected using a Jamshidi needle in a sedated ...
H&E stain. Fibrous dysplasia is a very rare [2] nonhereditary genetic disorder where normal bone and marrow is replaced with fibrous tissue, resulting in formation of bone that is weak and prone to expansion. As a result, most complications result from fracture, deformity, functional impairment, pain, and the impingement of nerves. [3]