0 past simple and past participle of section
1 to officially force someone who has mental health problems to stay in a hospital and receive treatment because they might harm themselves or other people:
He was sectioned under section 4 of the Mental Health Act.
Thus, five blocks were sectioned for transmission electron microscopic study.
All eyes were then processed, paraffin embedded, and sectioned.
The brain was embedded in paraffin and sectioned transversely (thickness, 15 mm).
Distinctive thicker dark bands of greater electron density also occurred, but were distinguishable only at the apex of longitudinally sectioned spines (fig. 4).
Some eyecups were immersed in embedding medium, frozen, and sectioned (5-10 mm) on a cryostat and the sections were collected on glass slides.
A central, slightly less dense core, was a feature of many of the transversely sectioned vesicles (figs 7 and 10).
They were serially sectioned at 1.25 m and stained with toluidine blue.
The slices thus acquired form a 3-dimensional data cube, which then can be "sectioned" in any plane.
