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pollen    音标拼音: [p'ɑlən]
n. 花粉
vt. 传授花粉给

花粉传授花粉给

pollen
n 1: the fine spores that contain male gametes and that are
borne by an anther in a flowering plant

Pollen \Pol"len\, n. [L. pollen fine flour, fine dust; cf. Gr.
?]
1. Fine bran or flour. [Obs.] --Bailey.
[1913 Webster]

2. (Bot.) The fecundating dustlike cells of the anthers of
flowers. See {Flower}, and Illust. of {Filament}.
[1913 Webster]

{Pollen grain} (Bot.), a particle or call of pollen.

{Pollen mass}, a pollinium. --Gray.

{Pollen sac}, a compartment of an anther containing pollen,
-- usually there are four in each anther.

{Pollen tube}, a slender tube which issues from the pollen
grain on its contact with the stigma, which it penetrates,
thus conveying, it is supposed, the fecundating matter of
the grain to the ovule.
[1913 Webster]


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  • National Allergy Forecast Info About Allergies | Pollen. com
    Check out national allergy map, get your local allergy outlook, track you allergies with Allergy Diary, and more features at Pollen com
  • Utah Allergy Map | Pollen. com
    Today’s National Allergy Map Search, browse and select cities on our interactive allergy map to see allergy levels and pollen count forecasts
  • Huh? You Can Really Tell Me If My Local Pollen Levels Are High?
    The daily pollen count report covers every area in the continental United States, so you can be prepared for high allergen levels Click your state on the map or enter your ZIP code to find a local allergy report for your city, providing valuable allergy info for the next four days
  • Washington Allergy Map | Pollen. com
    Today’s National Allergy Map Search, browse and select cities on our interactive allergy map to see allergy levels and pollen count forecasts
  • 5 Day Pollen Allergy Forecast for Dallas, TX (75201)
    You Check the Pollen Forecast But You Still Inhale Pollen Even when you monitor daily pollen levels, exposure continues with every breath Most allergy management focuses on symptoms — not on what you’re inhaling Here’s what’s often overlooked — and how to reduce what reaches your breathing zone Full Article Pollen Affects Allergy
  • National Allergy Map | Pollen. com
    Today’s National Allergy Map Search, browse and select cities on our interactive allergy map to see allergy levels and pollen count forecasts
  • Current Pollen Allergy Forecast for Plano, TX (75093)
    You Check the Pollen Forecast But You Still Inhale Pollen Even when you monitor daily pollen levels, exposure continues with every breath Most allergy management focuses on symptoms — not on what you’re inhaling Here’s what’s often overlooked — and how to reduce what reaches your breathing zone Full Article
  • California Allergy Map | Pollen. com
    Today’s National Allergy Map Search, browse and select cities on our interactive allergy map to see allergy levels and pollen count forecasts
  • 5 Day Pollen Allergy Forecast for Richmond, VA (23219)
    You Check the Pollen Forecast But You Still Inhale Pollen Even when you monitor daily pollen levels, exposure continues with every breath Most allergy management focuses on symptoms — not on what you’re inhaling Here’s what’s often overlooked — and how to reduce what reaches your breathing zone Full Article
  • Ohio Allergy Map | Pollen. com
    Today’s National Allergy Map Search, browse and select cities on our interactive allergy map to see allergy levels and pollen count forecasts





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