What is the primary function of the stromal cell layer in the bone marrow microenvironment during hematopoiesis?

A To produce hematopoietic growth factors
B To provide a scaffold for hematopoietic cell adhesion and migration ✓
C To regulate the immune response
D To maintain the bone matrix

Explanation

The stromal cell layer in the bone marrow microenvironment plays a crucial role in supporting hematopoiesis by providing a scaffold for hematopoietic cell adhesion and migration, as well as producing growth factors and cytokines that regulate hematopoietic cell development.

Source

Guyton and Hall Textbook of Medical Physiology
Hematology Hematology: Hematopoiesis Hematology: Hematopoiesis Medium MEDICAL Confidence: high