Definition of siphonostele in English:

siphonostele

nounˈsʌɪf(ə)nəʊstiːl

Botany

A stele consisting of a core of pith surrounded by concentric layers of xylem and phloem.
Example sentencesExamples
- The thick-walled cells in the center of the core are sometimes considered to be pith, in which case the vascular arrangement would actually be a siphonostele.
- Other lycophytes have a siphonostele, with a central region of generalized tissue within a cylinder of vascular tissue.
- Use the three-dimensional diagram to understand how a leaf gap relates to the vascular cylinder of a siphonostele.
- In anatomical cross section, the stem of Lepidodendron displays an exarch siphonostele surrounded by secondary xylem in ranks.
- The node cross section of Equisetum looks quite different: the siphonostele is complete and leaf traces emerge from the solid vascular cylinder only at these locations.

Definition of siphonostele in US English:

siphonostele

nounsīˈfänəˌstēl

Botany

A stele consisting of a core of pith surrounded by concentric layers of xylem and phloem.
Example sentencesExamples
- Other lycophytes have a siphonostele, with a central region of generalized tissue within a cylinder of vascular tissue.
- The thick-walled cells in the center of the core are sometimes considered to be pith, in which case the vascular arrangement would actually be a siphonostele.
- In anatomical cross section, the stem of Lepidodendron displays an exarch siphonostele surrounded by secondary xylem in ranks.
- The node cross section of Equisetum looks quite different: the siphonostele is complete and leaf traces emerge from the solid vascular cylinder only at these locations.
- Use the three-dimensional diagram to understand how a leaf gap relates to the vascular cylinder of a siphonostele.

单词	siphonostele
释义	Definition of siphonostele in English: siphonostele nounˈsʌɪf(ə)nəʊstiːl Botany A stele consisting of a core of pith surrounded by concentric layers of xylem and phloem. Example sentencesExamples The thick-walled cells in the center of the core are sometimes considered to be pith, in which case the vascular arrangement would actually be a siphonostele. Other lycophytes have a siphonostele, with a central region of generalized tissue within a cylinder of vascular tissue. Use the three-dimensional diagram to understand how a leaf gap relates to the vascular cylinder of a siphonostele. In anatomical cross section, the stem of Lepidodendron displays an exarch siphonostele surrounded by secondary xylem in ranks. The node cross section of Equisetum looks quite different: the siphonostele is complete and leaf traces emerge from the solid vascular cylinder only at these locations. Definition of siphonostele in US English: siphonostele nounsīˈfänəˌstēl Botany A stele consisting of a core of pith surrounded by concentric layers of xylem and phloem. Example sentencesExamples Other lycophytes have a siphonostele, with a central region of generalized tissue within a cylinder of vascular tissue. The thick-walled cells in the center of the core are sometimes considered to be pith, in which case the vascular arrangement would actually be a siphonostele. In anatomical cross section, the stem of Lepidodendron displays an exarch siphonostele surrounded by secondary xylem in ranks. The node cross section of Equisetum looks quite different: the siphonostele is complete and leaf traces emerge from the solid vascular cylinder only at these locations. Use the three-dimensional diagram to understand how a leaf gap relates to the vascular cylinder of a siphonostele.
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