The phrase "a distinct population of" is correct and usable in written English.
It can be used when referring to a specific group of individuals or organisms that are clearly defined and separate from others.
Example: "The researchers discovered a distinct population of frogs that exhibited unique coloration patterns."
Alternatives: "a separate group of" or "a unique set of".
Whereas recirculating T cells (TCIRC cells) are largely excluded from the epidermis in the absence of inflammation6,7, a distinct population of sessile CD8+ CD69+ CD103+ TRM cells populates this anatomical compartment following infection or inflammation6,7,8,9.
Individual intestinal symbionts induce a distinct population of RORγ+ regulatory T cells.
Solar energetic particles (SEPs) constitute a distinct population of energetic charged particles, which can be often observed in the near Earth space.
In addition to satellite cells, a distinct population of cells with multipotent stem cell activity resides within skeletal muscle tissue the muscle-derived stem cells (MSC).
The primitive morphology and very large size of these molars supported the DNA-based conclusion that the Denisovans were a distinct population of archaic hominins.
The motivation for the new carrier system was to provide a method to target multi-microelectrode recordings to a distinct population of fast-spiking neurons in the cerebral cortex during a behavioral task to assess their involvement in selective attention.
We have thus identified a distinct population of TICs that should lead to identification of novel targets for pancreatic cancer therapy.
With differences in risk factors and perioperative situations, patients with cancer represent a distinct population of patients from those without cancer for surgical resection procedures [7].
A distinct population of metal-free stars may thus arise under circumstances where the gas has been affected by radiation, but is not yet enriched with metals.
Each of the thermodynamically distinct regions is the source of a distinct population of hydrogen (H) atoms produced by charge exchange between the ambient plasma and neutrals entering the region (Zank et al. 1996).
Denisovans were previously unknown until 2010, after scientists declared fossils (part of a finger and a tooth) they had uncovered in 2008 belonged to a "distinct population of humans," with DNA sequences similar to Neanderthals', according to Wired.
