sextant

n.

（航海用的）六分仪；

复数：sextants

1. Before he died,the unfortunate man handed you his sextant.
   在那个不幸的人临死之前，他给了你他的六分仪。

Outcome of sextant biopsy according to gland volume
Making the most out of six systematic sextant biopsies.
The sextant protocol for ultrasound-guided core biopsies of the prostate underestimates the presence of cancer
A comparative analysis of sextant and an extended 11-core multisite directed biopsy strategy.
Two consecutive sets of transrectal ultrasound guided sextant biopsies of the prostate for the detection of prostate cancer
Prostate cancer diagnosis using a saturation needle biopsy technique after previous negative sextant biopsies.
Extensive repeat transrectal ultrasound guided prostate biopsy in patients with previous benign sextant biopsies
Complication rates and risk factors of 5802 transrectal ultrasound-guided sextant biopsies of the prostate within a population-based...
Prediction of prostate cancer volume using prostate-specific antigen levels, transrectal ultrasound, and systematic sextant biopsies
Patients with a history of elevated prostate-specific antigen levels and negative transrectal US-guided quadrant or sextant biopsy r...