As climate change intensifies pollen seasons across the country, new research from the University of Michigan reveals a ...

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 ...

As climate change intensifies pollen seasons across the country, new research from the University of Michigan reveals a connection between pollen exposure and death rates among older adults with ...

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 ...

Pollen is usually at it’s highest from March ... This ingredient is known to prevent mast cells in the eyes from releasing ...

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 ...

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 ...

Once a mast cell has an IgE antibody stuck to it ... antibodies against things you shouldn’t be reacting to, like pollen or foods. Chris says histamines cause blood vessels to open up and ...