Botanical term for the soft central tissue in plant stems.
The pith of a plant stem stores water and nutrients.
Anatomical term for bone marrow; also used in compounds like 脊髄 (spinal cord).
A matching donor is needed for a bone marrow transplant.
脊髄 means the spinal cord, a specific anatomical structure, not simply marrow, even though it is written with 髄.
真髄 is a figurative word meaning the essence or core of something, whereas 髄 literally denotes plant pith or bone marrow.
spinal cord
essence; quintessence; spirit; soul; heart; pith
brain; encephalon
medulla oblongata
dental pulp; tooth pulp
cervical spinal cord; cervical cord
bone marrow; medulla · heart's core; depths of one's heart · main point; vital part
marrow; pith; core · center; nucleus; hub · bottom of one's heart; innermost feelings
pith; medulla
Standard kanji form for both botanical and anatomical senses.
The kanji 髄 is composed of 骨 (bone) and a phonetic component, originally referring to marrow. The reading ずい is the on'yomi.
chalcedony
lithomarge
essence; quintessence; kernel
demyelination
cerebrospinal fluid
myelencephalon
medullary cavity