The
 
 pollen
 
 tube is the tube through which sperm from the
 
 pollen
 
 reaches the egg cell, and fertilizes the plant to form seeds. The
 
 pollen
 
 tube of most seed plants acts as a passageway. It transports sperm cells from the
 
 pollen
 
 grain, from the stigma (in flowering plants) to the ovules at the base of the pistil.

<figure class="wp-block-image is-resized">
 <img alt="IMG_20180920_121225045" class="wp-image-107736 gcloudimg" data-attachment-id="107736" data-comments-opened="1" data-image-meta='{"aperture":"2","credit":"","camera":"Lenovo K8 Plus","caption":"","created_timestamp":"1537445545","copyright":"","focal_length":"3.5","iso":"178","shutter_speed":"0.040005","title":"","orientation":"1"}' data-image-title="IMG_20180920_121225045" height="570" src="https://storage.googleapis.com/microcosmosdelta.appspot.com/images/transfer_107728/IMG_20180920_121225045.jpg" width="434"/>
 <figcaption>
 
 foldscope: 000206920D0F
 
 </figcaption>
</figure>

Pollen tubes inside pistil of vinca rosea

vishnu_vengacherry | Thu, Dec 20, 2018, 11:58 PM

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