repeating patterns of life forms in sea water #science #nature #patterns

[CasaGardino] Swirl of life in an ocean drop. (life forms in sea water)

Nerve bundle. Coloured scanning electron micrograph (SEM) of a freeze-fractured section through a bundle of myelinated nerve fibres. Myelin sheaths (yellow) can be seen surrounding the axons (blue). Perineurium (connective tissue, pink) surrounds the nerve bundle while endoneurium divides the individual fibres.

Bundle of myelinated nerve FIBERS. Myelin sheaths (YELLOW) can be seen surrounding the axons (BLUE). PINK) surrounds the nerve bundle while endoneurium divides the individual fibres.

Resin cast of arteries in the brain. Your brain consumes about 20% of your body's energy so it needs a lot of blood flow to keep it supplied with nutrients. Even knowing that, the density of the neurons here amazes me--they look almost the size of the brain itself!

Resin cast of arteries in the brain. An especially fascinating cast showing the need of oxygen in our headbang tool.

Human Tooth This is an image of a piece of dentine acquired using a scanning electron microscope.

a piece of dentine with dentinal tubukles from human tooth after demineralization using etching with 37 % phosphoric acid for 15 seconds and sodium hypochlorite for 1 minute (?

STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY Blood clot. Coloured scanning electron micrograph (SEM) of red blood cells (erythrocytes, red) clumped together with fibrin (brown) to form a blood clot. Magnification: x5000.

Coloured scanning electron micrograph (SEM) of red blood cells (erythrocytes, red) clumped together with fibrin (brown) to form a blood clot. Magnification: when printed 10 centimetres wide.

Diatom, single cell alga with silica outer structure

Circles- Diatoms: Image of an Exhibition-Diatom' [in Darkfield, Phase Annulus Plan Objective]; an arrangement by master diatomist Klaus Kemp of the United Kingdom.

DNA magnified 850000 times through a scanning electron

DNA magnified 850000 times through a scanning electron microscope.

Sperm production in the testes Coloured scanning electron micrograph of sperm cells that are developing inside a seminiferous tubule. The developing heads of the sperm cells are embedded in a layer of Sertoli cells (red) that nourish the developing sperm. Magnification: x3750

✿⊱╮Sperm production in the testes that are developing inside a seminiferous tubule. The developing heads of the sperm cells are embedded in a layer of Sertoli cells (red) that nourish the developing sperm.

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