Coloured SEM image of a coronary artery teeming with red blood cells (centre). Image Source: Science Photo Library.
How to Grow flower Bulbs in water
Lavender pollen grain, SEM
Gladiola pollen | Pollen | Nikon’s Small World
Pollen of the dandelion
Sycamore pollen grain
Unconventional recognition of peptides by T cells and the implications for autoimmunity (Credit: James F. Moha Nat rev Immuno) #NPG Nature Publishing Group
The Passion flower (Passiflora caerulea) pollen look like strange spongy tennis balls
Image: Saint Verde Digest A hard coat covering the pollen grain like a Hell’s Angel’s studded leather jacket protects the sperm cells as they are travelling from the man part, or stamen, of one flower to the lady part, or pistil, of the next.