Reproductive Structure Collection

Pollen grains, SEM
Pollen grains. Coloured scanning electron micrographs (SEM) of pollen grains from a variety of plants

Pine pollen grains, light micrograph
Pine pollen grains. Light micrograph of a section through winged pollen grains (microspores) from a pine (Pinus sp.) tree

Cup lichen (Cladonia floerkeana)
Lichen fruiting bodies (red). This lichen species is Cladonia floerkeana, found on heaths and moorlands. Lichens are formed from a symbiotic association between a fungus and an alga

Ovarian follicle, light micrograph C016 / 0519
Ovarian follicle. Light micrograph of a section through a secondary ovarian follicle showing signs of maturation into the antral follicle class

Rust fungus infection, SEM
Rust fungus infection. Coloured scanning electron micrograph (SEM) of spore-bearing aecia from a rust (Puccinia lagenophora) fungus, on a common groundsel (Senecio vulgaris) plant

Broad bean pollen, SEM
Broad bean pollen. Coloured scanning electron micrograph (SEM) of pollen grains from a Vicia faba plant. Magnification: x2000 when printed 10 centimetres wide

Stink bug eggs C014 / 4637
Stink bug eggs. Clutch of eggs laid on a leaf by a stink bug (Leptocorisa chinensis). Photographed in South China

Moon jellyfish sex glands. Close up of the sex glands of an ephyra medusa of the cnidarian Aurelia aurita. Medusae are the sexually mature

Aechmea pineliana flower C018 / 1806
Aechmea pineliana flower

Spiderwort anther and pollen, SEM C017 / 1911
Spiderwort anther and pollen. Coloured scanning electron micrograph (SEM) of pollen grains (yellow) on hairs from the anther of a Spiderwort (Tradescantia sp.) flower

Tropical mushrooms C014 / 0952
Tropical mushrooms growing in leaf litter. Photographed in Rio Bigal Biological Reserve, Amazon Rainforest, Ecuador

Silkmoth laying eggs C014 / 4631
Silkmoth (Bombyx mori) laying eggs

Viola sp. seeds, SEM
Viola sp. Seeds. Coloured scanning electron micrograph (SEM) of seeds in the fruit of a Viola sp. plant. Magnification: x35 when printed 10 centimetres wide

Basil pollen grain, SEM
Basil pollen grain. Coloured scanning electron micrograph (SEM) of a pollen grain from the flower of a basil (Ocimum basilicum) plant. Pollen grains are the male gametes (sex cells) of a plant

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

Bread mould, SEM C017 / 7127
Bread mould. Coloured scanning electron micrograph (SEM) of a sporangium of a bread mould (Mucor sp.). Sporangia are asexual reproductive structures where the moulds spores develop

Rust fungus spore, light micrograph F006 / 9817
Rust fungus spore. Light micrograph of a section through an aeciospore from a Puccinia sp. rust fungus. Spores are the reproductive structures of a fungus

Bread mould, SEM C017 / 7129
Bread mould. Coloured scanning electron micrograph (SEM) of a sporangium of a bread mould (Mucor sp.). Sporangia are asexual reproductive structures where the moulds spores develop

Chamerion angustifolium meadow
Rosebay willowherb (Chamerion angustifolium) meadow. Photographed in France

Sweet chestnut leaves and fruit
Sweet chestnut (Castanea sativa) leaves and fruit on the ground in Autumn. Photographed in the UK

Scutellaria galericulata flowers
Common skullcap (Scutellaria galericulata) flowers. Photographed by Basingstoke Canal, Hampshire, UK, in July

Thistle (Cirsium vulgare) flower opening
Spear thistle (Cirsium vulgare) flower opening. Photographed in Dorset, UK, in July

Pine cone on lichen. Close-up of a cone from a pine (Pinus sp.) tree on reindeer lichen (Cladonia portentosa). Photographed in the UK

Mistletoe (Viscum album) berries. Photographed in Somerset, UK, in November

Wood anemone (Anemone nemorosa) flower. Photographed in Dorset, UK, in April

Salad burnet (Sanguisorba minor) flowers. Photographed in Dorset, UK, in May

Hard ferns (Blechnum spicant). Close-up of the spore-producing male fronds of hard fern (Blechnum spicant) plants. Photographed in the UK

Sweet chestnuts (Castanea sativa). Photographed in Dorset, UK, in September

Gorse (Ulex europaeus) flowers. Photographed in the UK

Impatiens noli-tangere flower
Touch-me-not balsam (Impatiens noli-tangere) flower. Photographed in the UK

Primrose (Primula vialii) flower stalks. Photographed in Dorset, UK, in May

Pendulous sedge (Carex pendula) flowers. Male flower spikes of a pendulous, or weeping, sedge plant. Photographed in Dorset, UK, in May

Bread mould, SEM C016 / 9051
Bread mould. Coloured scanning electron micrograph (SEM) of a black bread mould (Rhizopus stolonifer) sporangium (orange, spherical)

Apple tree fungus, SEM C016 / 9416
Apple tree fungus. Coloured scanning electron micrograph (SEM) of fungal spores bursting through a lesion on the surface of a leaf from an apple (Malus domestica) tree

Mould spores, SEM C016 / 9419
Mould spores. Coloured scanning electron micrograph (SEM) of mould (fungal) spores (blue) on food (green)

Pollen grains, SEM C016 / 9439
Pollen grains. Coloured scanning electron micrograph (SEM) of pollen grains from a variety of plants. Including: sunflower (Helianthus annuus), morning glory (Ipomoea purpurea)

Bread mould, SEM C016 / 9052
Bread mould. Coloured scanning electron micrograph (SEM) of a black bread mould (Rhizopus stolonifer) sporangium (blue, spherical)

Cowslip pollen grain, SEM C016 / 9031
Cowslip pollen grain. Coloured scanning electron micrograph (SEM) of pollen grain from a common cowslip (Primula veris) flower. Pollen grains are the male sex cells of a flowering plant

Mushrooms spores, SEM C016 / 9450
Mushrooms spores. Coloured scanning electron micrograph (SEM) of budding spores in the basidium of an Agaricus bisporus fungus

Fungus on orchid C016 / 7748
Fungus on orchid. Close-up of a tropical fungus growing on the leaves of an orchid (family Orchidaceae). Photographed in Yasuni National Park, Amazon rainforest, Ecuador

Cowslip pollen grain, SEM C016 / 9030
Cowslip pollen grain. Coloured scanning electron micrograph (SEM) of pollen grain from a common cowslip (Primula veris) flower. Pollen grains are the male sex cells of a flowering plant

Mould spores, SEM C016 / 9418
Mould spores. Coloured scanning electron micrograph (SEM) of mould (fungal) spores (blue) on food (green)

Apple tree fungus, SEM C016 / 9417
Apple tree fungus. Coloured scanning electron micrograph (SEM) of fungal spores bursting through a lesion on the surface of a leaf from an apple (Malus domestica) tree

Bread mould, SEM C016 / 9050
Bread mould. Coloured scanning electron micrograph (SEM) of a black bread mould (Rhizopus stolonifer) sporangium (green, spherical)

Dwarf checkermallow pollen grain, SEM C016 / 9438
Dwarf checkermallow pollen grain. Coloured scanning electron micrograph (SEM) of a pollen grain from a dwarf checkermallow (Sidalcea malviflora) flower

Pollen grains, SEM C016 / 9440
Pollen grains. Coloured scanning electron micrograph (SEM) of pollen grains from a variety of plants. Including: sunflower (Helianthus annuus), morning glory (Ipomoea purpurea)

Rotifer with eggs, light micrograph C016 / 8587
Rotifer with eggs. Differential interference contrast (DIC) light micrograph of a rotifer (phylum Rotifera) carrying eggs (small, round)

Insect egg, SEM
Insect egg. Coloured scanning electron micrograph (SEM) of an insect egg found in freshwater. Magnification: x3000, when printed 10 centimetres wide

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"Exploring the Intricate World of Reproductive Structures: From Pollen Grains to Ovarian Follicles" Delving into the microscopic realm, SEM reveals the stunning beauty of pollen grains, showcasing their intricate structures and diverse shapes. Pine pollen grains captured under a light micrograph unveil their unique features, highlighting nature's remarkable attention to detail in reproductive mechanisms. The cup lichen (Cladonia floerkeana) exhibits its reproductive prowess through captivating textures and patterns, demonstrating how life finds a way even in harsh environments. A closer look at an ovarian follicle through a light micrograph (C016 / 0519) unveils the delicate process of female reproduction with awe-inspiring precision. Zooming in on a common daisy anther using SEM exposes its fascinating surface details, shedding light on how plants ensure successful pollination for future generations. An orange fruit captured under a light micrograph showcases the culmination of successful reproduction – vibrant colors and enticing textures that entice animals to disperse seeds far and wide. Brassica pollen viewed through SEM provides insight into this plant family's unique reproductive strategies, unraveling secrets hidden within tiny grains that hold immense potential for new life. Thale cress flower depicted in a mesmerizing micrograph exemplifies nature's artistry as it orchestrates complex processes leading to fertilization and seed production. Bread mould examined via SEM unravels its intriguing spore-bearing structures, reminding us that even seemingly insignificant organisms play crucial roles in ecosystems' reproductive cycles. Rust fungus infection magnified by SEM offers both scientific intrigue and cautionary tales about how pathogens exploit host plants' reproductive systems for their own propagation. Broad bean pollen observed under SEM lenses presents an array of sculpted forms designed for efficient transfer between flowers - ensuring genetic diversity within populations.