Sex Cells Collection

Philadelphia fleabane pollen grains, SEM
Philadelphia fleabane (Erigeron philadelphicus) pollen grains, coloured scanning electron micrograph (SEM). Pollen grains are reproductive structures produced by the male parts of flowering plants

Gorse stigma with pollen grains, SEM
Gorse (Ulex europaeus) stigma (green) with pollen grains (yellow), coloured scanning electron micrograph (SEM)

Forsythia pollen grains, SEM
Forsythia pollen grains arranged in a spiral, coloured scanning electron micrograph (SEM). Pollen grains are reproductive structures produced by the male parts of flowering plants

Chickweed pollen grains, SEM
Chickweed pollen grains. Coloured scanning electron micrograph (SEM) of pollen grains (green) from a chickweed flower (Stellaria media)

Fungal spores on pollen grain, SEM
Fungal spores on pollen grain. Coloured scanning electron micrograph (SEM) showing fungal spores (round) on a pollen grain from a goji berry (wolfberry, Lycium sp.) plant

Meiosis, illustration C018 / 0803
Meiosis. Illustration of a cell during metaphase (I) of meiosis (gamete formation). During meiosis four daughter nuclei are formed from one parent nucleus after two stages of nuclear division

Meiosis, SEM
Meiosis. Coloured scanning electron micrograph (SEM) of chromosomes during metaphase (I) of meiosis (gamete formation). Chromosomes consist of deoxyribonucleic acid (DNA) and proteins

Clematis montana pollen, SEM
Clematis montana pollen grains, coloured scanning electron micrograph (SEM). C. montana is a climbing plant that is popular in gardens for its showy flowers

Dandelion pollen, SEM
Dandelion (Taraxacum officinale) pollen. Coloured scanning electron micrograph (SEM) showing pollen grains (round) on the anther of a dandelion flower

Dandelion pollen grains, SEM
Dandelion (Taraxacum officinale) pollen grains, coloured scanning electron micrograph (SEM). Pollen grains are reproductive structures produced by the male parts of flowering plants

Peony pollen grains, SEM
Peony (Paeonia sp.) pollen grains, coloured scanning electron micrograph (SEM). Pollen grains are reproductive structures produced by the male parts of flowering plants

Human fertilisation, artwork
Human fertilization. Artwork of a single sperm cell (spermatozoon) attempting to fertilise a human egg cell (ovum, round, lower right). The sperm cell consists of a head section and a tail section

Flower anatomy, SEM
Flower anatomy. Coloured freeze-fracture scanning electron micrograph (SEM) of a flower with the top removed, showing a central ovary (pale pink, centre) containing ovules (green)

Daisy pollen grains, SEM
Daisy (Bellis perennis) pollen grains, coloured scanning electron micrograph (SEM). Pollen grains are reproductive structures produced by the male parts of flowering plants

Bluebell pollen grains, SEM
Bluebell (Hyacinthoides non-scripta) pollen grains, coloured scanning electron micrograph (SEM). Pollen grains are reproductive structures produced by the male parts of flowering plants

Buttercup pollen with leaf trichome, SEM
Buttercup (Ranunculus repens) pollen (orange) with a trichome (leaf hair, green), coloured scanning electron micrograph (SEM)

Buttercup pollen grains, SEM
Buttercup (Ranunculus repens) pollen grains, coloured scanning electron micrograph (SEM). Pollen grains are reproductive structures produced by the male parts of flowering plants

Gorse pollen grains, SEM
Gorse (Ulex europaeus) pollen grains (yellow), coloured scanning electron micrograph (SEM). Pollen grains are reproductive structures produced by the male parts of flowering plants

Hypericum stigma with pollen grains, SEM
Hypericum stigma (brown) with pollen grains (pink and yellow), coloured scanning electron micrograph (SEM). Pollen grains are reproductive structures produced by the male parts of flowering plants

Lily bud, light micrograph
Lily bud. Light micrograph of a cross-section through an immature lily bud (Lilium sp.), showing the male and female reproductive organs of the flower

Lily bud pistil and anthers, LM
Lily bud. Light micrograph of a cross-section through an immature lily bud (Lilium sp.), showing the male and female reproductive organs of the flower

Wallflower bud, light micrograph
Wallflower bud. Light micrograph of a cross-section through an immature wallflower bud (Cheiranthus cheiri), showing the male and female reproductive organs of the flower

Marsh marigold flower bud. Light micrograph of a cross-section through the anther of an immature marsh marigold (Caltha palustris) flower bud

Buttercup flower bud, light micrograph
Buttercup flower bud. Light micrograph of a cross-section through an immature wallflower bud (Ranunculus sp.), showing the male and female reproductive organs of the flower

Flower ovary and ovules, SEM
Flower ovary and ovules. Coloured freeze-fracture scanning electron micrograph (SEM) through the ovary of a dicot flower. The ovary (purple) contains ovules (green)

Cucumber flower bud, light micrograph
Cucumber flower bud. Light micrograph of a longitudinal section through the flower bud of a cucumber (Cucurbita sp.)

Pollen and flower
Pollen grains and flower. Composite image of pollen grains and the reproductive structures of a flower. Pollen contains the male sex cells of a flowering plant

Gladiolus flower anther, SEM
Gladiolus flower anther. Coloured scanning electron micrograph (SEM) of pollen grains (yellow) on a gladiolus flower (Gladiolus sp.) anther

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"Exploring the Intricate World of Sex Cells: Unveiling Nature's Microscopic Marvels" Delving into the microscopic realm, we encounter a captivating display of sex cells. Philadelphia fleabane pollen grains, captured through scanning electron microscopy (SEM), showcase their unique structure and intricate design. Similarly, Gorse stigma with pollen grains reveal nature's artistry in creating reproductive mechanisms. Forsythia pollen grains, meticulously observed under SEM, offer a glimpse into the mesmerizing patterns that aid in successful fertilization. Meanwhile, Chickweed pollen grains astound us with their delicate beauty as they prepare for their crucial role in plant reproduction. Intriguingly, fungal spores find refuge on these very same pollen grains - an unexpected symbiotic relationship unveiled by SEM imagery. This fascinating interaction highlights nature's ability to intertwine different life forms for mutual benefit. Illustration C018/0803 guides us through the complex process of meiosis - a fundamental step in sexual reproduction across various organisms. The intricacies depicted remind us of the remarkable precision required for genetic diversity to flourish. Returning to SEM imagery once more, we witness further evidence of fungal spores adorning these resilient sex cells. Their presence serves as a testament to nature's resilience and adaptability even within microscopic realms. Shifting our focus back to meiosis captured through SEM imaging techniques allows us to appreciate its dynamic stages and understand how it contributes significantly to genetic variation among species. Finally, ovarian follicles come alive under light micrography - providing insight into the female side of sexual reproduction. These structures house developing eggs and represent hope for future generations. As we explore this captivating world through various imaging techniques like SEM and light micrography, we gain profound appreciation for nature's ingenuity at every level – from individual particles like pollen grains or fungal spores all the way up to complex biological processes such as meiosis and ovarian follicle development.