Medullary cavity
| Medullary Cavity | |
|---|---|
A long bone, with medullary cavity labeled near center. | |
| Details | |
| Identifiers | |
| Latin | cavitas medullaris |
| TA98 | A02.0.00.037 |
| TA2 | 386 |
| FMA | 83698 |
| Anatomical terminology | |
The medullary cavity (medulla, innermost part) is the central cavity of bone shafts where red bone marrow and/or yellow bone marrow (adipose tissue) is stored; hence, the medullary cavity is also known as the marrow cavity.
Located in the main shaft of a long bone (diaphysis) (consisting mostly of spongy bone), the medullary cavity has walls composed of compact bone (cancellous bone) and is lined with a thin, vascular membrane (endosteum).[1][2]
Intramedullary is a medical term meaning the inside of a bone. Examples include intramedullary rods used to treat bone fractures in orthopedic surgery and intramedullary tumors occurring in some forms of cancer or benign tumors such as an enchondroma.
- ^ Martini, F.; Nath, J. L. (2009). Fundamentals of Anatomy and Physiology (8th ed.). San Francisco, CA: Pearson Education. ISBN 978-0-321-50589-7.
- ^ Tortora, Gerard J. (2022). Principles of anatomy and physiology. Wiley. ISBN 978-0-7303-9200-2. OCLC 1299321666.