Involucrum
An involucrum (plural involucra) is a layer of new bone growth outside existing bone.
There are two main contexts:
- In pyogenic osteomyelitis where it is a layer of living bone that has formed about dead bone.[1] It can be identified by radiographically (i.e., with x-rays).
- In cetaceans such as whales, it is a thick covering of bone over the middle-ear space.[2][3]
See also
References
- ^ Pineda, Carlos; Espinosa, Rolando; Pena, Angelica (May 2009). "Radiographic Imaging in Osteomyelitis: The Role of Plain Radiography, Computed Tomography, Ultrasonography, Magnetic Resonance Imaging, and Scintigraphy". Semin Plast Surg. 23 (2): 080–089. doi:10.1055/s-0029-1214160. PMC 2884903. PMID 20567730.
- ^ "Science Word of the Day: Involucrum". National Geographic. 2015-01-05. Retrieved 29 October 2018.
- ^ Switek, Brian (1 December 2010). "How Did Whales Evolve?". Smithsonian. Retrieved 30 October 2018.
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