myeloid tissue

https://doi.org/10.1351/goldbook.13486
Tissue within red bone marrow that produces the blood cells. It is found around the blood vessels and contains various cell types that are precursors of the blood cells.
Source:
PAC, 2012, 84, 1113. (IUPAC glossary of terms used in immunotoxicology (IUPAC Recommendations 2012)) on page 1217 [Terms] [Paper]