protoxylem
[ proh-tuh-zahy-luh m, -lem ]
/ ˌproʊ təˈzaɪ ləm, -lɛm /
noun Botany.
the part of the primary xylem that develops first, consisting of narrow, thin-walled cells.
Words nearby protoxylem
prototroph,
prototrophic,
prototype,
protovertebra,
protoxide,
protoxylem,
protozoa,
protozoan,
protozoiasis,
protozoicide,
protozoology
British Dictionary definitions for protoxylem
protoxylem
/ (ˌprəʊtəˈzaɪləm) /
noun
the first-formed xylem tissue, consisting of extensible thin-walled cells thickened with rings or spirals of lignin
Compare metaxylem
Scientific definitions for protoxylem
protoxylem
[ prō′tə-zī′ləm ]
The first formed xylem that differentiates from the procambium.