(19.) Estrela C, Rabelo LE, de Souza JB, Alencar AH, Estrela CR, Sousa Neto MD, et al., Frequency of root canal isthmi
in human permanent teeth determined by cone-beam computed tomography.
were found in (10%) of cases in mesial roots.
According to Marshall (1998) and Morrone (2006), the evolution of the Neotropical biota, like that of mammals, is marked by the vicariant events associated with the emersion of the isthmi
of Tehuante pec and Panama, an event known as the Great American (Biotic) Interchange.
The only six-letter words in the English language that start and end with a vowel - with no other vowels in between - are "asthma" and "isthmi
Ross consulted his Webster and found ten more in the second edition: ANDHRA the southeastern part of India ANNWFU in Welsh tradition, a sea-girt revolving castle APHTHA specks or flakes caused by parasitic fungi growing in the mouth ARCHLY in an arch manner ELTCHI variant of elchee, an ambassador or envoy ENGHLE obsolete spelling of ingle ERTHLY reformed spelling of earthly ISTHME obsolete variant of isthmus ISTHMI
plural of isthmus ITZTLI variant of iztle, a kind of obsidian