Reproductive Collection

Lavender pollen grain, SEM
Lavender pollen grain. Coloured scanning electron micrograph (SEM) of a pollen grain (yellow) amongst the petal (papilla) cells (purple) of a French lavender (Lavandula dentata) flower

Tyrannosaurus rex dinosaurs mating. Artwork of male (right) and female (left) Tyrannosaurus rex dinosaurs mating. Some theories say that this dinosaur had feathers and fur, as seen here

Hazel pollen grains. Coloured scanning electron micrograph (SEM) of pollen grains from the Hazel tree, Corylus avellana. These microspores are shed from male catkins

Geranium anther, SEM
Geranium anther. Coloured scanning electron micrograph (SEM) of pollen (pink) on the anther of a geranium flower (Geranium sp.)

Dahlia flower pollen, SEM
Dahlia flower pollen. Coloured scanning electron micrograph (SEM) of a pollen grain (orange) from a Dahlia cultorum flower. A pollen grain contains a male sex cell from a flowering plant

Mushroom gills, SEM
Mushroom gills. Coloured scanning electron micrograph (SEM) of the gills of an unidentified gilled mushroom. The mushroom is the fruiting body of a fungus

Cloudberry (Rubus chamaemorus)
Cloudberry fruit (Rubus chamaemorus)

Easter cactus stigma, SEM
Easter cactus stigma. Coloured scanning electron micrograph (SEM) of the stigma (pink) and style (green) of an Easter cactus flower (Rhipsalidopsis gaertneri)

Pregnant woman holding her aching back

Honeybee leg, SEM
Honey bee leg. Coloured scanning electron micrograph (SEM) of the leg of a honeybee (Apis mellifera) covered in pollen grains (round). The dense coating of hairs has trapped the pollen

Tea flower stamens, SEM
Tea flower stamens. Coloured scanning electron micrograph (SEM) of the stamens of a flower of the tea plant (Camellia sp.). Stamens are the male reproductive structures of a flower

Delphinium flowers
Delphinium (Delphinium Blue Indulgence ) flowers

Forget-me-not flower, SEM
Forget-me-not flower. Coloured scanning electron micrograph (SEM) of a forget-me-not (Myosotis arvensis) flower. The corolla consists of five petals (blue)

Geranium pollen, SEM
Geranium pollen. Coloured scanning electron micrograph (SEM) of pollen (pink) on the stamen of a geranium flower (Geranium sp.)

Deer anatomy, artwork
Deer anatomy. Computer artwork showing the internal anatomy of a deer (family Cervidae). Anatomical features shown here include the skeleton, lungs, intestines, bladder

Sauroposeidon dinosaurs mating. Artwork of male (right) and female (left) Sauroposeidon dinosaurs mating. This sauropod dinosaur lived around 110 million years ago, during the Cretaceous period

Great spotted woodpeckers (Dendrocopos major) on a branch. The adult at left is feeding the fledgling at right. Photographed in June, in Dorset, UK

Ripe cashew nut. Image 2 of 2. Native to South America, the cashew (Anacardium occidentale) is now widely cultivated throughout the tropics

Lemon tree (Citrus limon) bearing ripe lemons

IUD contraceptive and sperm cells. Computer artwork of an intrauterine device (IUD, red and white, centre) in a womans uterus, surrounded by sperm cells (white, not to scale)

Picture No. 11675582
Scanning Electron micrograph (SEM): Lily Pollen grains. Date:

Blowfly laying eggs, SEM
Blowfly laying eggs. Coloured scanning electron micrograph (SEM) of a female Lucilia sp. blowfly laying her eggs (lower left). A blowfly lays its eggs on dead bodies

Ovarian follicle, SEM
Ovarian follicle. Coloured scanning electron micrograph (SEM) of a fracture through a secondary follicle in the ovary. The oocyte (developing egg) is orange and its central nucleus is darker orange

Cyanobacteria, SEM
Cyanobacteria. Coloured scanning electron micrograph (SEM) of cyanobacteria (formally known as blue-green algae, blue). Several spores (pink) are also seen

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

Morning glory pollen, SEM
Morning glory pollen grains. Coloured scanning electron micrograph (SEM) of pollen grains (orange balls) on the pistil (female reproductive part) of a morning glory flower (Ipomoea sp.)

Forget-me-not flower, SEM
Forget-me-not flower. Coloured scanning electron micrograph (SEM) of a forget-me-not (Myosotis arvensis) flower. The petals (blue) are covered by numerous projections called papillae

Pollen on a bee leg, SEM
Pollen on a bee leg. Coloured scanning electron micrograph (SEM) of pollen grains (pale purple) on the leg of a bee (superfamily Apoidea). Pollen grains are the male sex cells of a flowering plant

Phalaenopsis flowers (Phalaenopsis sp. )
Phalaenopsis flowers (Phalaenopsis sp.)

Buttercup flower, SEM
Buttercup flower (Ranunculus sp.), coloured scanning electron micrograph (SEM). The pistil (centre) is surrounded by the stamens (yellow)

White storks courting C018 / 9343
White storks (Ciconia ciconia) courting

Blue-footed booby courtship display C013 / 7485
Blue-footed booby courtship display. Pair of blue-footed boobies (Sula nebouxii) displaying during a courtship ritual. Photographed on San Cristobal Island, Galapagos Islands

Frozen sperm, conceptual image. Computer artwork of sperm cells frozen inside a block of ice, representing the long term preservation of donated sperm to be used in fertility treatments

Penguin breeding colony research, with researchers and photographers in the background. Located at St Andrews Bay, this is the largest breeding colony of king penguins (Aptenodytes patagonicus)

Rowan berries. Ripening fruit of the European rowan (Sorbus aucuparia) tree. Photographed in Dorset, UK, in August

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). Pollen grains are reproductive structures produced by the male parts of flowering

Lily pollen grain on rosemary leaf, SEM
Lily pollen grain on rosemary leaf. Coloured scanning electron micrograph (SEM) of a pollen grain (yellow) from a lily flower (Lilium sp.)

Gorse flower bud, SEM
Gorse (Ulex europaeus) flower bud, coloured scanning electron micrograph (SEM). One of the petals (yellow) is seen enclosed in the flower casing (calyx)

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

Flame lily pollen, SEM
Flame lily (Gloriosa sp.) pollen grains, coloured scanning electron micrograph (SEM). The grains have a highly sculptured outer wall (exine)

Hellebore pollen, SEM
Hellebore (Helleborus sp.) pollen grains, coloured scanning electron micrograph (SEM). Magnification: x2000 when printed at 10 centimetres wide

Common horsetail spore, SEM
Common horsetail spore. Coloured scanning electron micrograph (SEM) of a spore of a common horsetail (Equisetum arvense) plant

Root of a germinating red chard seed, SEM
Root of a germinating red chard seed. Coloured scanning electron micrograph (SEM) of a red chard seed (Beta vulgaris var. cicla) root

Pollen tubes of lily pollen, SEM
Pollen tubes of lily pollen, coloured scanning electron micrograph (SEM). Two pollen grains (brown) have sprouted pollen tubes (orange)

Germinating lily pollen, SEM
Germinating lily pollen. Coloured scanning electron micrograph (SEM) of lily (Lilium sp.) pollen grains that have sprouted pollen tubes. Pollen contains the male sex cells of a plant

Flower, SEM
Flower. Coloured scanning electron micrograph (SEM) of a flower

Columbine flower stamens, SEM
Columbine flower stamens. Coloured scanning electron micrograph (SEM) of the stamens (male sexual parts) of a columbine flower (Aquilegia sp.)

Red Clover pollen. Coloured scanning electron micrograph (SEM) of pollen grains of Red Clover, Trifolium pratense. The outer wall (exine) of each grain has a netted ornamentation

False-colour SEM of chickweed flower
False-colour scanning electron micrograph of the reproductive structures of a flower of the chickweed, Stellaria media. The bulbous carpel, with the short-stalked female stigmas emerging from it

Pollination, SEM
Pollination. Coloured scanning electron micrograph (SEM) of part of a flowers pistil with pollen grains attached. The pistil is the female reproductive part of a flower

Periwinkle petal surface, SEM
Periwinkle petal. Coloured scanning electron micrograph (SEM) of the surface of a periwinkle flower petal (family Apocynaceae)

Marrow and forget-me-not pollen, SEM
Pollen grains. Coloured scanning electron micrograph (SEM) of a pollen grain from a marrow plant (Cucurbita sp. left) and a forget-me-not plant (Myosotis sp. lower right)

Amaryllis (Hippeastrum sp. )
Amaryllis flowers (Hippeastrum sp.). Photographed in December

Purple plums (Prunus hybrid)
Ripe purple plums (Prunus hybrid). Photographed in July

Seminal fluid, from Theorie Positive de l Ovulation Spontanee et de la Fecondation des Mammiferes et de l Espece
CHT236008 Seminal fluid, from Theorie Positive de l Ovulation Spontanee et de la Fecondation des Mammiferes et de l Espece Humaine by Felix-Archimede Pouchet (1800-72) engraved by Oudet, Paris

Second Table of the Linnean Plant Sexual System (coloured engraving)
CHT277086 Second Table of the Linnean Plant Sexual System (coloured engraving) by Linnaeus, Carl (1707-78); Bibliotheque des Arts Decoratifs, Paris

Tapeworm (litho)
6013440 Tapeworm (litho) by English School, (20th century); Private Collection; (add.info.: Tapeworm. Illustration for The Harmsworth Encylopaedia (c 1922).); © Look and Learn

The Fertilisation of a Human Egg, from La Creation Naturelle et les Etres
CHT236018 The Fertilisation of a Human Egg, from La Creation Naturelle et les Etres Vivants by Dr. J. Rengade, c.1880 (coloured engraving) by French School

Mountain gorillas mating
Mountain gorillas (Gorilla beringei beringei) mating. The mature male leading the troop is known as a silverback due to the colour of the fur on its back

Cow anatomy, artwork
Cow anatomy. Computer artwork showing the internal anatomy of a domesticated cow (Bos primigenius). Anatomical features shown here include the skeleton, lungs, intestines, bladder

Pineapple plant with fruit

Close-up of a McKannas Giant Columbine, showing the anthers and filaments of the stamen
Close-up of a McKannas Giant Columbine (Aquilegia Mckana) showing the anthers and filaments of the stamen; Astoria, Oregon, United States of America

Slugs mating. Netted or grey field slugs (Deroceras reticulatum) mating on a leaf. Slugs are hermaphrodites and sexual reproduction involves the mutual exchange of sperm

Sunflower pollen grain, SEM C018 / 0310
Sunflower pollen grain. Coloured scanning electron micrograph (SEM) of a pollen grain from the sunflower (Helianthus annuus)

Ole Schou, Danish sperm bank founder
Ole Schou (born 1954), Danish sperm bank founder, holding a cartoon depiction of a sperm (male sex cell). Schou is the CEO of Cryos International Sperm Bank, which he founded in 1987

African lion in oestrus. Male African lion (Panthera leo) sniffing the rear end of a female to see if she is in oestrus and ready to mate

Giant sequoia seeds
Giant sequoia (Sequoiadendron giganteum) seeds. Sequoias are the largest trees in the world and live for up to four thousand years. They have become an endangered species due to habitat loss

Neanderthal couple, artwork C016 / 5791
Neanderthal couple, artwork. Neanderthals (Homo neanderthalensis) inhabited Europe and western Asia between 230, 000 and 29, 000 years ago

Lavender pollen grain, SEM
Lavender pollen grain. Coloured scanning electron micrograph (SEM) of a French lavender (Lavandula dentata) flower, with an enlarged section showing a pollen grain (yellow) amongst the petal (papilla)

Earthworm, longitudinal section
Earthworm. Light micrograph of a longitudinal section through the body of a round segmented earthworm (Lumbricus terrestris), showing the first 14 anterior segments

Zony (Equus sp.). A zony is the infertile offspring of a zebra stallion and a pony mare. Photographed at De Hoop Nature Reserve, South Africa

Mango tree. The mango (Magnifera sp.) is native to the Indian sub-continent, and contains many minerals and vitamins as well as fibre

Maize flower. Male flower of a maize plant (Zea mays), known as a tassel, with spikelets (green) and anthers (yellow). The anthers contain pollen

Passion flower pollen, SEM
Passion flower pollen. Coloured scanning electron micrograph (SEM) of pollen grains from a passion flower (Passiflora caerulea). Pollen grains are the male gametes (sex cells) of a plant

Mushroom anatomy, diagram
Mushroom anatomy. Diagram of the anatomy of Basidiomyceta mushrooms, and their growth from a fungal mycelium in the soil (left) to a full-grown mushroom (right)

Pelecanimimus dinosaurs mating. Artwork of male (right) and female (left) Pelecanimimus dinosaurs mating. This ornithomimosaur (ostrich-like dinosaur) lived around 120 million years ago

Pentaceratops dinosaurs mating. Artwork of male (right) and female (left) Pentaceratops dinosaurs mating. The name of this herbivorous dinosaur refers to the five horns on its head

Infectious bronchitis virus (IBV), TEM
Infectious bronchitis virus (IBV) particles, coloured transmission electron micrograph (TEM). This virus is a member of the coronavirus family

Childbirth, 17th century artwork. Woman giving birth in a canopied bed, aided by a midwife. This woodcut is from the book La commare oriccoglitrice (Venice)

Mouldy bread. The white areas are fungal mycelia, masses of thread-like structures (hyphae) that absorb nutrients. The blue-green areas are the fungal spores (reproductive structures)

Bee foot claws, SEM
Bee foot claws, coloured scanning electron micrograph (SEM). These claws, on a bees fore legs, are used to comb pollen from the body and transfer it to the pollen baskets on the bees hind legs

Fennel stem, SEM
Fennel stem. Coloured scanning electron micrograph (SEM) of a cluster of fennel (Foeniculum vulgare) flowers on a stem, seen from below. Magnification unknown

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"Exploring the Intricate World of Reproduction: From Dinosaurs to Flowers and Beyond" In the ancient world, even mighty Tyrannosaurus rex dinosaurs had their own unique ways of reproducing. Discovering fossilized evidence of their mating rituals offers a fascinating glimpse into the reproductive strategies employed by these prehistoric giants. Zooming in closer to modern times, microscopic wonders like lavender pollen grains under scanning electron microscopy (SEM) reveal intricate structures that play a crucial role in plant reproduction. Similarly, SEM images of geranium anthers and dahlia flower pollen showcase nature's attention to detail when it comes to ensuring successful pollination. Nature never ceases to amaze with its diverse range mechanisms. Take the cloudberry, for example - this Arctic fruit relies on cross-pollination facilitated by insects or wind for its continued existence. Moving beyond plants, we find ourselves exploring the realm of humans. The miracle of life unfolds within a pregnant woman's body as she nurtures new beginnings and prepares for motherhood. But reproduction is not limited to just larger organisms; even tiny creatures like honeybees have their own unique methods. SEM images capturing honeybee legs provide insight into how these industrious insects transport precious pollen from one flower to another, ensuring fertilization occurs. Venturing further into nature's hidden corners reveals captivating details about reproduction in unexpected places. Mushroom gills under SEM expose delicate structures designed for spore dispersal – a vital step in mushroom reproduction. Delving deeper still, tea flower stamens captured through SEM offer an up-close look at yet another facet of botanical fertility – showcasing intricate arrangements meant to attract pollinators and ensure successful seed production. Flowers continue enchanting us with their beauty as well as their reproductive prowess. Delphinium flowers boast vibrant colors while employing various strategies such as self-pollination or attracting specific pollinators like bees or butterflies.