Reproductive Collection (page 5)

Sperm cells, artwork C018 / 7004
Sperm cells. Computer artwork of numerous sperm cells (spermatozoa) swimming through the cilia (hair-like) that line the uterus (womb)

Fertilisation, artwork C018 / 6998
Fertilisation. Computer artwork of numerous sperm cells (spermatozoa, white) surrounding an egg (round, centre). Only a single sperm cell can penetrate and fertilise the egg

Fertilisation, artwork C018 / 6995
Fertilisation. Computer artwork of a sperm cell (spermatozoon, purple) penetrating an egg (red, right)

Sperm cell, artwork C018 / 6993
Sperm cell. Computer artwork of a sperm cell (spermatozoon), showing its torpedo-shaped head (left) and long tail that it uses for propulsion

Fertilisation, artwork C018 / 7003
Fertilisation. Computer artwork of a sperm cell (spermatozoon, purple) penetrating an egg (red, bottom)

Fertilisation, artwork C018 / 7001
Fertilisation. Computer artwork of numerous sperm cells (spermatozoa, blue) swimming towards an egg (round) in the distance

Sperm cells, artwork C018 / 7002
Sperm cells. Computer artwork of numerous sperm cells (spermatozoa), showing their torpedo-shaped heads, and long tails that they use for propulsion

Fertilisation, artwork C018 / 6994
Fertilisation. Computer artwork of a sperm cell (spermatozoon, purple) penetrating an egg (red, right)

Fertilisation, artwork C018 / 6997
Fertilisation. Computer artwork of numerous sperm cells (spermatozoa, white) surrounding an egg (round, centre). Only a single sperm cell can penetrate and fertilise the egg

Sperm cells, artwork C018 / 7000
Sperm cells. Computer artwork of numerous sperm cells (spermatozoa), showing their torpedo-shaped heads, and long tails that they use for propulsion

Sperm cells, artwork C018 / 6999
Sperm cells. Computer artwork of numerous sperm cells (spermatozoa), showing their torpedo-shaped heads, and long tails that they use for propulsion

Sperm cell, artwork C018 / 6996
Sperm cell anatomy. Cutaway computer artwork showing the internal structure of a sperm cell (spermatozoon), the male sex cell

Gastrotrich egg, SEM C019 / 0220
Gastrotrich egg. Coloured scanning electron micrograph (SEM) of a Chaetonotus sp. gastrotrich egg. Gastrotrichs are microscopic, worm-like animals found in both freshwater and marine habitats

Common pheasants C014 / 0483
Common pheasants. Male (top) common pheasant (Phasianus colchicus) in breeding plumage, displaying to a female (brown, behind plants)

Common Alder Tree Pollen SEM C014 / 2144
Alder tree pollen. Coloured scanning electron micrograph (SEM) of a pollen grains from an alder tree (Alnus glutinosa). A pollen grain contains a male sex cell from a flowering plant

Sperm tails, TEM C014 / 1463
Sperm tails. Transmission electron micrograph (TEM) of sections through the tails of sperm (spermatozoa) cells at various levels

Sperm tails, TEM C014 / 1465
Sperm tails. Transmission electron micrograph (TEM) of sections through the tails of sperm (spermatozoa) cells at various levels

Sperm tails, TEM C014 / 1464
Sperm tails. Transmission electron micrograph (TEM) of sections through the tails of sperm (spermatozoa) cells at various levels

Silkmoths mating on a cocoon C014 / 4632
Silkmoths (Bombyx mori) mating on a cocoon

Male common pheasant (Phasianus colchicus) in breeding plumage. This gamebird inhabits woodland, scrub, farmland and marshes, feeding on vegetation, grains, berries and insects

Frog eggs in a footprint. Close-up of the eggs of a frog in the water fond in a muddy footprint. Like all amphibians, frogs require water for their reproductive stage

Hemipteran bug reproduction. Hemipteran bug brooding its eggs and hatched young (left). Certain species of hemipteran bugs brood their eggs, caring for them until the young hatch, as seen here

Platyphora leaf beetle brooding larvae
Platyphora leaf beetle (left) brooding larvae (right). Certain species of beetles care for their larvae after hatching. Photographed in rainforest at an elevation of 900 metres in the Rio Bigal

Siamese rhinoceros beetles mating C014 / 4623
Siamese rhinoceros beetles mating. The Siamese rhinoceros beetle (Xylotrupes gideon), or fighting beetle, is a species of large scarab beetle found across much of Southeast Asia

Siamese rhinoceros beetles mating C014 / 4624
Siamese rhinoceros beetles mating. The Siamese rhinoceros beetle (Xylotrupes gideon), or fighting beetle, is a species of large scarab beetle found across much of Southeast Asia

Siamese rhinoceros beetles mating C014 / 4622
Siamese rhinoceros beetles mating. The Siamese rhinoceros beetle (Xylotrupes gideon), or fighting beetle, is a species of large scarab beetle found across much of Southeast Asia

Siamese rhinoceros beetles mating C014 / 4621
Siamese rhinoceros beetles mating. The Siamese rhinoceros beetle (Xylotrupes gideon), or fighting beetle, is a species of large scarab beetle found across much of Southeast Asia

Siamese rhinoceros beetles mating C014 / 4620
Siamese rhinoceros beetles mating. The Siamese rhinoceros beetle (Xylotrupes gideon), or fighting beetle, is a species of large scarab beetle found across much of Southeast Asia

Siamese rhinoceros beetles mating C014 / 4619
Siamese rhinoceros beetles mating. The Siamese rhinoceros beetle (Xylotrupes gideon), or fighting beetle, is a species of large scarab beetle found across much of Southeast Asia

Horse-flies mating C014 / 4607
Horse-flies (family Tabanidae) mating

Sperm bank sample. Sperm sample seen through a microscope lens. This is done to check the number and quality of the sperm, especially their motility (movement)

Horse-flies mating C014 / 4605
Horse-flies (family Tabanidae) mating

Horse-flies mating C014 / 4606
Horse-flies (family Tabanidae) mating

Follicle-stimulating hormone complex C015 / 0945
Follicle-stimulating hormone (FSH) complex with receptor, molecular model. FSH helps to regulate human sexual development and reproductive processes. In females, it acts on follicles in the ovaries

Follicle-stimulating hormone complex C015 / 0944
Follicle-stimulating hormone (FSH) complex with receptor, molecular model. FSH helps to regulate human sexual development and reproductive processes. In females, it acts on follicles in the ovaries

Female and young mountain gorilla
Mountain gorilla (Gorilla beringei beringei) female and young. Mountain gorillas are found in cloud forests high on the slopes of the Virunga volcanoes between Rwanda, Uganda and Zaire

White clover (Trifolium repens) flowers C015 / 7091
White clover (Trifolium repens) flowers

Nucleoplasmin histone-chaperone protein C015 / 6915
Nucleoplasmin histone-chaperone protein, molecular model. This is nucleoplasmin 2 (Npm2), a chaperone that acts on human nucleoplasmin. Chaparone proteins play a key role in aiding protein folding

Great crested grebes C014 / 3034
Great crested grebes. Pair of great crested grebes (Podiceps cristatus) with their chicks. This bird is found on waters throughout most of Europe and Asia

Great crested grebe carrying its chicks C014 / 3035
Great crested grebes (Podiceps cristatus) carrying its chicks. This bird is found on waters throughout most of Europe and Asia

May bugs copulating C017 / 8346
May bugs (Melolontha melolontha) copulating. Also known as cockchafers, the larvae of these beetles feed on roots and damage crops such as potato plants, while the adults feed on trees

Nursery web spider carrying an egg sac C017 / 8345
Nursery web spider (Pisaura mirabilis) carrying an egg sac under her ventral carapace with her palps. The female lays her eggs in early summer, storing them in the egg sac

Wind dispersal of pollen C015 / 5182
Wind dispersal of pollen. Million of pollen grains being dispersed on the wind

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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.