Gametes Collection

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

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

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

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:

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

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)

Flame lily pollen, SEM
Flame lily (Gloriosa sp.) pollen grains, coloured scanning electron micrograph (SEM)

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

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

Pollination, SEM
Pollination. Coloured scanning electron micrograph (SEM) of part of a flowers pistil with pollen grains attached

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)

Hollyhock pollen grain, SEM
Hollyhock pollen grain. Coloured scanning electron micrograph (SEM) of a pollen grain from a hibiscus (Alcea setosa) flower. Pollen grains are the male sex cells of a flowering plant

Verbena pollen, SEM
Verbena pollen. Coloured scanning electron micrograph (SEM) of pollen grains from verbena bonariensis. Verbena bonariensis is a tall, slender-stemmed perennial

Convolvulus pollen grains, SEM
Convolvulus pollen grains. Coloured scanning electron micrograph (SEM) of pollen grains from a convolvulus flower

Water lily pollen grains, SEM
Water lily pollen grains. Coloured scanning electron micrograph (SEM) of pollen grains from a water lily flower. Nymphaeaceae is a family of flowering plants, commonly called water lilies

Human sperm cells
Sperm. Computer artwork of human sperm (spermatozoa), the sex cells of the male. Each sperm is about 0.065 millimetres in length

Sperm, SEM
Sperm. Coloured scanning electron micrograph (SEM) of human sperm (spermatozoa), the sex cells of the male. Sperm are about 0.065 millimetres in length

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

Human genetic engineering. Conceptual computer artwork representing the genetic engineering of humans. Sperm cells labelled with bar codes are seen

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

Carnation flower pistil, SEM C016 / 9762
Carnation (Dianthus sp.) pistil, coloured scanning electron micrograph (SEM). Pistils hold a plants female reproductive structures

Carnation flower pistil, SEM C016 / 9759
Carnation (Dianthus sp.) pistil, coloured scanning electron micrograph (SEM). Pistils hold a plants female reproductive structures

Carnation flower pistil, SEM C016 / 9760
Carnation (Dianthus sp.) pistil, coloured scanning electron micrograph (SEM). Pistils hold a plants female reproductive structures

Hibiscus flower pistil, SEM C016 / 9758
Hibiscus flower pistil. Coloured scanning electron micrograph (SEM) of a Hibiscus sp. flower pistil. Pistils hold a plants female reproductive structures

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

Carnation flower pistil, SEM C016 / 9763
Carnation (Dianthus sp.) pistil, coloured scanning electron micrograph (SEM). Pistils hold a plants female reproductive structures

Hibiscus flower pistil, SEM C016 / 9757
Hibiscus flower pistil. Coloured scanning electron micrograph (SEM) of a Hibiscus sp. flower pistil. Pistils hold a plants female reproductive structures

Carnation flower pistil, SEM C016 / 9761
Carnation (Dianthus sp.) pistil, coloured scanning electron micrograph (SEM). Pistils hold a plants female reproductive structures

Fertilisation, artwork C016 / 7516
Fertilisation. Cutaway computer artwork of a sperm cell (spermatozoa) penetrating an egg (large)

Ovulation, artwork C016 / 7537
Ovulation, computer artwork

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

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

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

Fertilisation, artwork C016 / 7515
Fertilisation. Computer artwork of a sperm cell (spermatozoa) penetrating an egg (large)

Carnation flower pistil, SEM C016 / 0127
Carnation (Dianthus sp.) pistil, coloured scanning electron micrograph (SEM). Pistils hold a plants female reproductive structures

Carnation flower pistil, SEM C016 / 0131
Carnation (Dianthus sp.) pistil, coloured scanning electron micrograph (SEM). Pistils hold a plants female reproductive structures

Camellia pollen, SEM C015 / 9103
Camellia pollen grains. Coloured scanning electron micrograph (SEM) of pollen grains from a Camellia sp. flower

Carnation flower pistil, SEM C016 / 0119
Carnation (Dianthus sp.) pistil, coloured scanning electron micrograph (SEM). Pistils hold a plants female reproductive structures

Flower pistils, SEM C016 / 0053
Flower pistils, coloured scanning electron micrograph (SEM). Pistils hold a plants female reproductive structures

Rose pistil, SEM C015 / 9173
Rose pistil. Coloured scanning electron micrograph (SEM) of a rose (Rosa sp.) flower pistil. Pistils hold a plants female reproductive structures

Rose pistil, SEM C015 / 9181
Rose pistil. Coloured scanning electron micrograph (SEM) of a rose (Rosa sp.) flower pistil. Pistils hold a plants female reproductive structures

Geranium pollen, SEM C015 / 9155
Geranium pollen. Coloured scanning electron micrograph (SEM) of pollen (pink) on the stamen of a geranium flower (Geranium sp.)

Camellia pollen, SEM C015 / 9101
Camellia pollen grains. Coloured scanning electron micrograph (SEM) of pollen grains from a Camellia sp. flower

Camellia pollen, SEM C015 / 9089
Camellia pollen grains. Coloured scanning electron micrograph (SEM) of pollen grains from a Camellia sp. flower

Flower pistils, SEM C016 / 0055
Flower pistils, coloured scanning electron micrograph (SEM). Pistils hold a plants female reproductive structures

Flower pistils, SEM C016 / 0054
Flower pistils, coloured scanning electron micrograph (SEM). Pistils hold a plants female reproductive structures

Sperm cells, SEM C015 / 7842
Sperm cells. Coloured scanning electron micrograph (SEM) of sperm cells (spermatozoa)

Camellia pollen, SEM C015 / 9090
Camellia pollen grains. Coloured scanning electron micrograph (SEM) of pollen grains from a Camellia sp. flower

Flower pistils, SEM C016 / 0057
Flower pistils, coloured scanning electron micrograph (SEM). Pistils hold a plants female reproductive structures

Geranium pollen, SEM C015 / 9156
Geranium pollen. Coloured scanning electron micrograph (SEM) of pollen (pink) on the stamen of a geranium flower (Geranium sp.)

Carnation flower pistil, SEM C016 / 0129
Carnation (Dianthus sp.) pistil, coloured scanning electron micrograph (SEM). Pistils hold a plants female reproductive structures

Flower pistils, SEM C016 / 0058
Flower pistils, coloured scanning electron micrograph (SEM). Pistils hold a plants female reproductive structures

Geranium pollen, SEM C015 / 9157
Geranium pollen. Coloured scanning electron micrograph (SEM) of pollen (pink) on the stamen of a geranium flower (Geranium sp.)

Flower pistil, SEM C016 / 0060
Flower pistil, coloured scanning electron micrograph (SEM). Pistils hold a plants female reproductive structures

Hibiscus flower pistil, SEM C015 / 9160
Hibiscus flower pistil. Coloured scanning electron micrograph (SEM) of a Hibiscus sp. flower pistil. Pistils hold a plants female reproductive structures

Flower pistils, SEM C016 / 0056
Flower pistils, coloured scanning electron micrograph (SEM). Pistils hold a plants female reproductive structures

Flower pistil, SEM C016 / 0059
Flower pistil, coloured scanning electron micrograph (SEM). Pistils hold a plants female reproductive structures

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

Bee pollinating a flower, artwork C018 / 0297
Bee pollinating a flower. Sequence of artworks showing how a bee (left) lands on a flower to drink nectar (centre left), brushing up against the pollen-bearing anthers

Oocytes, illustration C018 / 0808
Oocytes, illustration. Oocytes are immature egg cells, the female gametes (sex cells)

Sunflower pollen grains, SEM C018 / 0309
Sunflower pollen grains. Coloured scanning electron micrograph (SEM) of pollen grains from the sunflower (Helianthus annuus)

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)

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 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

Ovulation and fertilisation, artwork
Ovulation and fertilisation

Fertilisation, artwork C013 / 4647
Fertilisation. Computer artwork of a sperm cell (spermatozoa) penetrating an egg (large)

Sperm cells, artwork C013 / 4645
Sperm cells. Computer artwork of numerous sperm cells (spermatozoa), showing their torpedo-shaped heads, and long tails that they use for propulsion

Fertilisation, artwork C013 / 4646
Fertilisation. Computer artwork of numerous sperm cells (spermatozoa) swimming towards an egg (left)

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Gametes, the tiny yet powerful reproductive cells, play a crucial role in the cycle of life. Captured under the lens of a scanning electron microscope (SEM), these microscopic wonders reveal their intricate beauty and significance. In one captivating image, we observe the delicate structure of a Geranium anther. Its vibrant colors and fine details showcase nature's artistry at its finest. This anther holds within it countless Geranium pollen grains, each carrying the potential to create new life. Moving on to another SEM masterpiece, we witness a Honeybee leg adorned with pollen grains collected during its pollination journey. These minuscule particles cling to every hair-like structure on the bee's leg, showcasing how these industrious insects inadvertently aid in plant reproduction while seeking nectar. Zooming closer into nature's marvels, Philadelphia fleabane pollen grains come into focus through SEM imagery. Their unique shapes and textures hint at their adaptability for efficient dispersal by wind or animal vectors – ensuring successful fertilization across vast distances. Gorse stigma with pollen grains presents us with yet another mesmerizing sight under SEM observation. The interplay between this flower's receptive surface and meticulously crafted pollen grains showcases evolution's ingenuity in facilitating cross-pollination among plants. Shifting gears from flora to contraception methods brings us face-to-face with IUD contraceptive and sperm cells' juxtaposition. This thought-provoking image serves as a reminder that gametes not only hold promise for creation but also highlight humanity's quest for reproductive control. As our exploration continues through SEM imagery, Forsythia pollen grains captivate us with their elegance and symmetry. Each grain acts as a messenger transporting genetic material from one flower to another – perpetuating biodiversity in our natural world. Chickweed pollen grains make their appearance next – small yet significant contributors to plant reproduction through insect-mediated pollination processes. Their presence reminds us of the interconnectedness between various organisms within ecosystems.