The phrase "arena divided" is correct and usable in written English.
It can be used to describe a situation where a particular space or context is split into different factions or groups, often in a competitive or contentious environment.
Example: "The political debate turned into an arena divided, with each side firmly entrenched in their beliefs."
Alternatives: "split arena" or "divided space".
We placed cat hair (see Online Methods) in the center of a circular arena divided into three zones (Wall, Intermediate, and Center, Fig. 7a and Supplementary Fig. 12).
The light-dark box consisted of a 89×63×60 cm arena divided in half with a partition containing a small opening (7.6×7.6 cm).
For the open field test, the rat's location in the arena (divided into nine squares of equal area: one central and eight peripheral) was recorded.
To analyze possible changes in spontaneous locomotor and exploratory activity caused by treatment with I. paraguariensis, the animals were placed individually in the center of a circular open field arena divided into nine parts [ 21].
Open field test: the open field consists of a 50 x 50 cm arena divided into 20 x 20 cm center, a 5 cm wall zone and a 10 cm border zone.
Twenty minutes after the injection, each chick was placed alone on the center of the arena of an open field box (90 × 60 × 50 cm); the arena was divided into 24 equal squares and 50 g of wheat grains were scattered on the surface [ 13].
The Medieval Times arena is divided into sections, and each section is assigned a knight to cheer for.
It is unlikely that the abortion debate will reach any sort of consensus ahead of the October 2015 presidential election, since the political arena is divided.
The arena is divided into two camps: those behind the army in its war on terrorism and those behind the Muslim Brotherhood who are calling for the restoration of electoral legitimacy.
The arena was divided into 12 squares and frequency and duration of crossover to or from the 4 central squares was used to measure locomotor activity and response to danger.
For statistical analysis on the percentage pathlength in the center region, we used ImageJ program (developed at the U. S. National Institutes of Health, and available on the Internet at http://rsb.info.nih.gov/ij/), Mice were allowed to explore freely while data was collected for 30 min. In the light and dark test, the square arena was divided into light and dark compartments.
