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- AV_nicking abstract "AV, or arteriovenous nicking (also known as arteriovenous nipping in the UK) is the phenomenon where, on examination of the eye, a small artery (arteriole) is seen crossing a small vein (venule), which results in the compression of the vein with bulging on either side of the crossing. This is most commonly seen in eye disease caused by high blood pressure (hypertensive retinopathy). It is thought that, since the arteriole and venule share a common sheath, the arteriole's thicker walls push against those of the venule forcing the venule to collapse. This makes the venule form an hourglass shape around the arteriole. Other theories suggest that this results not from compression from the arteriole but from sclerotic thickening or glial cell proliferation at the site where the two vessels cross.".
- AV_nicking thumbnail Hypertensiveretinopathy.jpg?width=300.
- AV_nicking wikiPageID "16773737".
- AV_nicking wikiPageRevisionID "532727930".
- AV_nicking hasPhotoCollection AV_nicking.
- AV_nicking subject Category:Medical_signs.
- AV_nicking type Abstraction100002137.
- AV_nicking type Clue106643763.
- AV_nicking type Communication100033020.
- AV_nicking type Evidence106643408.
- AV_nicking type Indication106797169.
- AV_nicking type MedicalSigns.
- AV_nicking type Sign106646243.
- AV_nicking comment "AV, or arteriovenous nicking (also known as arteriovenous nipping in the UK) is the phenomenon where, on examination of the eye, a small artery (arteriole) is seen crossing a small vein (venule), which results in the compression of the vein with bulging on either side of the crossing. This is most commonly seen in eye disease caused by high blood pressure (hypertensive retinopathy).".
- AV_nicking label "AV nicking".
- AV_nicking label "Gunn-Zeichen".
- AV_nicking label "Objaw Gunna".
- AV_nicking sameAs Gunn-Zeichen.
- AV_nicking sameAs Objaw_Gunna.
- AV_nicking sameAs m.0405mqw.
- AV_nicking sameAs Q1554700.
- AV_nicking sameAs Q1554700.
- AV_nicking sameAs AV_nicking.
- AV_nicking wasDerivedFrom AV_nicking?oldid=532727930.
- AV_nicking depiction Hypertensiveretinopathy.jpg.
- AV_nicking isPrimaryTopicOf AV_nicking.
