Glossary entry (derived from question below)
English term or phrase:
at 3.5mm in depth
English answer:
at/to a depth of 3.5 mm
English term
United Kingdom
reliable interpreting/translation
Native in: Polish 
Works in: English to Polish, Polish to English, English, and 1 more.
at 3.5mm in depth
"At the level of L4/L5 a generalised bulging protrusion of the disc seeping into the vertebral canal at 3.5mm in depth – absolute stenosis of the vertebral canal (the sagittal diameter of 9.5 mm)."
I'm translating this text into English. The Polish text says "seeps into the vertebral canal at the 3.5mm depth" (3.5mm into the vertebral column) - but I'm not sure if that's clear in English. Any suggestions on how to improve it?
| 4 +10 | at a depth of 3.5 mm |
Charles Davis
|
| 4 | ....bulging of 3.5 cm into the spinal canal... |
Lirka
|
Apr 12, 2017 08:02: Charles Davis Created KOG entry
Non-PRO (1): Edith Kelly
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Responses
at a depth of 3.5 mm
"entered the intervertebral foramen at a depth of 7.7 cm from the skin"
https://www.ncbi.nlm.nih.gov/pubmed/19087005
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Note added at 49 mins (2017-04-07 10:27:31 GMT)
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On the other hand, looking at the context more closely, what you need may be "to a depth of 3.5 mm". "At a depth of" describes the position of something. "To a depth of" describes how deeply — to what depth — something penetrates. You will have to judge from the Polish context which it is.
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