Vasiliki Theodoropoulou
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How to Grow flower Bulbs in water

How to Grow flower Bulbs in water

Lavender pollen grain, SEM

Lavender pollen grain, SEM

Gladiola pollen | Pollen | Nikon’s Small World

Gladiola pollen | Pollen | Nikon’s Small World

Pollen of the dandelion

Pollen of the dandelion

Sycamore pollen grain

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

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

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.

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.

Hematopoiesis

Hematopoiesis

Human chromosomes, showing centromeres and chromatids.

Human chromosomes, showing centromeres and chromatids.