Sentence examples for morphologically difficult to from inspiring English sources

Among the higher fungi, reproductively isolated cryptic species exist that are morphologically difficult to distinguish owing to a lack of taxonomically useful morphological characters.

Conversely, we have not shied away from including congeneric species of taxonomically complex groups that are morphologically difficult to distinguish as a method of challenging the proposed regions.

Primary lymphoma of the brain may be morphologically difficult to discriminate from high-grade glioma.

This suggests that other ATP dependent migration promoting processes, which are morphologically more difficult to delineate (and therefore association with local CK-B recruitment goes undetected) may also be fuelled by CK-B.

Among the Murininae and Kerivoulinae, which are each dominated by one genus (Murina and Kerivoula respectively), interspecific nearest neighbour distances were almost invariably very high, even between species that are morphologically very difficult to distinguish.

Unlike in birds and cold-blooded vertebrates' retinas, the photoreceptors of mammalian retinas were long supposed to be morphologically uniform and difficult to distinguish into subtypes.

3 The females of the group are morphologically similar and difficult to identify reliably.

Diffractions and multiple reflections from these morphologically complicated elements are difficult to remove completely and mask internal structure.

However, several reports have found that colonoscopic surveillance is associated with a small risk (approximately 6%%) of developing CRC, with 10%% of these cancers being in the advanced stage, as premalignant lesions generally develop rapidly and are morphologically flat, making them difficult to identify on colonoscopy [9, 13].

Luobuma tea from Apocynum (Apocynaceae) also is difficult to morphologically distinguish from some toxic plants in Apocynaceae.

Diagnosing adipocytic tumors can be challenging because it is often difficult to morphologically distinguish between benign, intermediate and malignant adipocytic tumors, and other sarcomas that are histologically similar.