The phrase "a cluster of lines" is correct and usable in written English.
It can be used to describe a group or collection of lines, often in a visual or artistic context.
Example: "The artist created a striking composition featuring a cluster of lines that drew the viewer's eye across the canvas."
Alternatives: "a group of lines" or "a collection of lines".
At the beginning of sarcomere organization, the I-Z-I complex (a.k.a. the Z-body) emerges in premyofibrils as a precursor of the Z-line: the complex contains filamentous actin and a cluster of Z-line proteins such as α-actinin.
Cross the canal on Blezelstraat, passing the giant colonnades of the fish market, and turn into Huidenvettersplein where a cluster of restaurants line the banks.
Many eyes in the House chamber lingered on a cluster of hard-line rank-and-file conservatives who forced the departure of Mr. Ryan's predecessor, John A. Boehner of Ohio.
Francis embraced him at the start and end of the service and a cluster of cardinals lined up to greet him before processing out.
Using a systematic analysis method, the presented results show that a finite set of IHC staining parameters, quantifying several relevant molecular cell processes, can accurately allocate a specific tumor to the appropriate tumor line within a cluster of 14 HNC lines.
Breast tumor cell lines clustered with cell lines of unrelated tissue origin e.g. MDA-MB-435 aligned most closely to a cluster of melanoma cell lines.
There are newspaper clippings and photographs of the dead attached to a chain-link fence, and a cluster of lighted candles lining the sidewalk.
In the early 2000s, Honolulu's Chinatown — a cluster of downtown streets lined with attractive turn-of-the-20th-century buildings — began its transformation from a seedy red-light district into the city's creative hub.
In 2003, Unesco — noting Tel Aviv's synthesis of modernist trends and local cultural traditions — designated about half of those buildings, a cluster of city blocks lined with sleek, whitewashed structures and known today as the Tel Aviv White City, as a World Heritage site.
