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  2. Surgical suture - Wikipedia

    en.wikipedia.org/wiki/Surgical_suture

    Sutures are placed by mounting a needle with attached suture into a needle holder. The needle point is pressed into the flesh, advanced along the trajectory of the needle's curve until it emerges, and pulled through. The trailing thread is then tied into a knot, usually a square knot or surgeon's knot.

  3. List of human cell types - Wikipedia

    en.wikipedia.org/wiki/List_of_human_cell_types

    The Human Cell Atlas project, which started in 2016, had as one of its goals to "catalog all cell types (for example, immune cells or brain cells) and sub-types in the human body". [13] By 2018, the Human Cell Atlas description based the project on the assumption that "our characterization of the hundreds of types and subtypes of cells in the ...

  4. Suture (anatomy) - Wikipedia

    en.wikipedia.org/wiki/Suture_(anatomy)

    Crocodilian form of crurotarsal ankle. The astragalus (pink) is fixed to the tibia (green) by a suture. Adapted with permission from Palaeos. In the type of crurotarsal ankle, which is found in crocodilians and some other archosaurs, the astragalus is fixed to the tibia by a suture, and the joint bends around a peg on the astragalus, which fits into a socket in the calcaneum.

  5. Suture materials comparison chart - Wikipedia

    en.wikipedia.org/wiki/Suture_materials...

    A synthetic adsorbable suture material. Braided synthetic adsorbable multifilament made of polyglycolic acid and coated with N-laurin and L-lysine, which render the thread extremely smooth, soft and knot safe. A synthetic adsorbable suture material. Monofilament synthetic absorbable suture, prepared from the polyester, poly (p-dioxanone ...

  6. List of human cell types derived from the germ layers

    en.wikipedia.org/wiki/List_of_human_cell_types...

    2.3.3 Body cavities. 2.4 Axial mesoderm. ... Cell types. by origin; This is a list of cells in humans derived from the three embryonic germ layers – ectoderm, ...

  7. Catgut suture - Wikipedia

    en.wikipedia.org/wiki/Catgut_suture

    Surgical suture on needle holders. Catgut suture in a vintage glass dispenser. Catgut suture is a type of surgical suture made of twisted strands of purified collagen taken from the small intestine of domesticated ruminants or beef tendon. It is naturally degraded by the body's own proteolytic enzymes.

  8. A prehistoric innovation marked a major shift in how humans ...

    www.aol.com/news/paleolithic-humans-used-eyed...

    The eyed needle — a sewing tool made of bones, antlers or ivory that first appeared around 40,000 years ago in southern Siberia — might be hiding important clues about the beginnings of ...

  9. Medical textiles - Wikipedia

    en.wikipedia.org/wiki/Medical_textiles

    Sutures made from polyglycolic acid. These sutures are adsorbable and are degraded by the body over time. Polylactic acid , also called PLA, is a biodegradable, biosorbable or bioabsorbable polymer used in producing many type of implants such as naturally dissolving stents .

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