Atlas One · Host Biology · Scale 05 — Tissue

Bone Marrow

Haematopoietic tissue filling the medullary cavity of flat bones and the epiphyses of long bones. Produces all blood cell lineages from multipotent haematopoietic stem cells (HSCs) at ~500 billion cells/day. Red marrow active; yellow marrow (fat) increases with age.

Also known as: medulla ossium, red bone marrow, yellow bone marrow, haematopoietic tissue, marrow

Scale 05 — TissueScale
draftStatus
2026-06-05Last Reviewed
This is an auto-generated stub page built from atlas entry frontmatter. A richer hand-crafted page is planned. See the atlas source for the full entry including detailed body sections.
bone-marrow

Bone Marrow

Haematopoietic tissue filling the medullary cavity of flat bones and the epiphyses of long bones. Produces all blood cell lineages from multipotent haematopoietic stem cells (HSCs) at ~500 billion cells/day. Red marrow active; yellow marrow (fat) increases with age.

Entry Metadata

FieldValue
IDbone-marrow
NameBone Marrow
Statusdraft
Last reviewed2026-06-05
Atlas01-human
Scale05-tissue

Cross-Atlas Connections

part-ofImmune System part-ofCardiovascular System containsErythrocyte containsB Cell containsMacrophage part-ofHuman Body composed-ofHemoglobin modulated-byErythropoietin modulated-byPhosphorus part-ofMusculoskeletal System modulated-byCortical Bone composed-ofNeutrophil composed-ofOsteoblast composed-ofOsteoclast composed-ofPlatelet modulated-byCxcl12 connects-toPnh connects-toGvhd connects-toAplastic Anemia connects-toThrombopoietin

Sources