Editing Tendon (section)

{{Short description|Type of tissue that connects muscle to bone}}
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{{redirect|Sinew|the song by Purity Ring|Womb (album)}}
{{Infobox anatomy
| Name = Tendon
| Latin = tendo
| Image = achilles-tendon.jpg
| Caption = The [[Achilles tendon]], one of the tendons in the [[human body]] (from ''[[Gray's Anatomy]]'', 1st ed., 1858)
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| Image2 = Tendon_-_add_-_high_mag.jpg
| Caption2 = [[Micrograph]] of a piece of tendon; [[H&E stain]]
| Precursor =
| System =
| Artery =
| Vein =
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}}
A '''tendon''' or '''sinew''' is a tough band of [[fibrous connective tissue|dense fibrous connective tissue]] that connects [[skeletal muscle|muscle]] to [[bone]]. It sends the mechanical forces of muscle contraction to the skeletal system, while withstanding [[tension (physics)|tension]].

Tendons, like [[ligaments]], are made of [[collagen]]. The difference is that ligaments connect bone to bone, while tendons connect muscle to bone. There are about 4,000 tendons in the adult human body.<ref>{{Cite web |date=2017-05-15 |title=Protect Your Tendons |url=https://newsinhealth.nih.gov/2014/06/protect-your-tendons |access-date=2023-09-11 |website=NIH News in Health |language=en}}</ref><ref>{{Cite web |title=Framing Within Our Bodies |url=https://southernhillshospital.com/about/newsroom/framing-within-our-bodies |access-date=2023-09-11 |website=Southern Hills Hospital & Medical Center |language=en-us}}</ref>