DSN: 487-1110. Randolph AFB is an Air Force operated military base located in the middle of Texas, only 24 km away from San Antonio. It is also part of Joint Base San Antonio, along with Fort Sam Houston and Lackland Air Force Base. The merge took place on October, 1-st, 2010.
Medulla in general means the inner part, and derives from the Latin word for 'marrow'. In medicine it is contrasted to the cortex. Examples of its use include: 1  the medulla oblongata, a part of the brain stem. 2  the renal medulla, a part of the kidney. 3  the adrenal medulla, a part of the adrenal gland. 4  medulla spinalis, another term for spinal cord.
A long bone, with medullary cavity labeled near center. [edit on Wikidata] 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.