bone marrow / true spirit
84763
red blood cell / erythrocyte
114284
leukocyte / leucocyte / white blood cell
142686
blood formation / blood making / hemopoiesis (haemopoiesis) / hematosis (haematosis)
120229
trunk
61485
cell (biology)
86839
necessary / needed / essential / indispensable
146484
cell (biology)
86839
formation / molding / taking form
72668
maintenance / preservation / improvement
46481
indispensable / essential
147535
gene / genetic
46717
playback / regeneration / resuscitation / return to life / rebirth / reincarnation
86110
medicine / the healing art / healing / curing / doctor
46768
science
55229
research establishment (institute, laboratory, etc.)
75190
hill / height / knoll / rising ground
66412
office (government department beneath a bureau under the ritsuryo system)
89785
professor
68831
help / rescue / assistant
101557
leukemia
142689
anemia / anaemia
147402
medical treatment / cure
93095
quantity / amount / volume / number / amount of money
83007
quality
147334
blood
74171
cell (biology)
86839
manufacture / production
113180
to be tied together / to be connected to / to be related to
73185
results / fruits
111441
abbreviation for Britain or British
50682
science
55229
magazine
91935
doing together (as equals) / sharing / common (land, etc.) / joint (statement, etc.)
68216
blood formation / blood making / hemopoiesis (haemopoiesis) / hematosis (haematosis)
120229
trunk
61485
cell (biology)
86839
indispensable / essential
147535
gene / genetic
46717
discovery / detection / finding
143538
leukemia
142689
medical treatment / cure
93095
advance / drive / progress
117227