The phrase "are especially distinct" is correct and usable in written English.
You can use it to emphasize that something stands out or is notably different from others in a particular context.
Example: "The colors in this painting are especially distinct, making it a focal point in the gallery."
Alternatives: "are particularly unique" or "are notably different".
Called the fundus oculi, it is characterized by the large blood vessels that supply blood to the retina; these are especially distinct as they cross over the pallid optic disk, or papilla, the region where the optic nerve fibres leave the globe.
The record-setting 24 millisecond pulsars are easy to follow because their signals are especially distinct, so Ransom plans to use them to make a three-dimensional map of the mass hidden deep inside the dense cluster.
The populations from coastal regions in southeast Egypt are especially distinct and, according to Baha el Din (2006) [ 98], they resemble specimens of S. s. zavattarii from Kenya, which Loveridge (1957) [ 100] synonymized with S. sthenodactylus.
The structure-borne noise depends on the suction unit design and on operating conditions, and is especially distinct at partial flow rates when rotating stall and surge appear.
Powders represented as individual particles that have a pronounced hexagonal shape, which is especially distinct for sample 6.
The difference was especially distinct at small hypocentral distances and for high wavenumber waves, which was a reasonable result given that plane waves suffer the effects of wave propagation across a much wider inhomogeneous volume than do spherical waves.
But a store's wares have to be especially distinct to stand out.
Among these the batch exponential expression profile is especially distinct.
Remarkably, this inter-individual variability was especially distinct in the control line.
The superiority of KI over KIO3 was especially distinct in case of mtDNA.
This effect, depending on the method of transformation, might be especially distinct in the case of the silencing of developmentally regulated genes, like CKXs.
