In the flowering plant world, reproduction means an intricate succession of events. It begins when a pollen grain that carries the sperm cells lands on the top of the pistil, the female reproductive ...

Birch pollen allergy is one of the most common allergies ... but also mechanisms of wound healing and cell migration. In fact, these changes occurred just a few minutes after provocation, whereas ...

1. During late telophase of the last division of the sporogeneous tissue a row of vacuoles appears along the median longitudinal axis of each chromosome, these enlarging until each member is a ...

The nucleus of the pollen grain passes through the pollen tube and joins with the egg cell inside an ovule in the ovary. Fruit comes from flowering plants, and it is grown in the following process ...

Mast cells contain histamine, and when you are exposed to the allergen again, the antibodies you’ve built up bind to the grass pollen cells, triggering the mast cell to release all of its ...

Pollen tubes are necessary for reproduction, and root hairs absorb water and minerals from the soil—ultimately impacting a plant's ability to deal with stress. "Understanding cellulose and cell ...

One of the main triggers for seasonal allergic rhinitis, the official name for hay fever, is grass pollen. More pollen in the air usually means more severe hay fever, so accurate pollen predictions ...