These end openings are called perforations or perforation plates.
2.
Other types include the foraminate perforation plate ( several round openings ) and the reticulate perforation plate ( a net-like pattern, with many openings ).
3.
Other types include the foraminate perforation plate ( several round openings ) and the reticulate perforation plate ( a net-like pattern, with many openings ).
4.
The vessels may show considerable variation in size, shape of perforation plates ( simple, scalariform, reticulate, foraminate ), and structure of cell wall, such as spiral thickenings.
5.
The vessels may show considerable variation in size, shape of perforation plates ( simple, scalariform, reticulate, foraminate ), and structure of cell wall ( e . g . spiral thickenings ).
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