The ________ lung clamp is used to gently grasp segments of the lung

All of the following are functions of the BM stroma except:

a. Adhesion of hematopoietic precursors b. Cell-to-cell interaction c. Synthesis of cytokines d. Incorporation of essential metals into mature cells

Cancer cells usually group or clump to form ________.

A. nuclei B. neurons C. tumors D. lymph nodes