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protoxylem
Значение термина protoxylem в knolik
protoxylem - protoxylem
protoxylem - First xylem elements to be differentiated from pro-cambium; extensible. Described as endarch when internal to the later-formed metaxylem, e.g. in stems of angiosperms; exarch when external to metaxylem, e.g. in roots; and mesarch when surrounded by metaxylem, e.g. in stems of ferns.
Рядом со словом protoxylem в knolik
| prototroph | В начало буква "" буквосочетание "" | protozoa |
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