The species " Euglena gracilis " has been used extensively in the laboratory as a model organism.
22.
However, the freshwater species " Urnatella gracilis " has multiple nephridia in the calyx and stalk.
23.
The axons of the nucleus gracilis and nucleus cuneatus in the medial lemniscus have cell bodies that lie contralaterally.
24.
In some species, such as " Peltogasterella gracilis ", many externae develop from one interna.
25.
Based upon its postcranial skeleton, " S . gracilis " was a vertical clinger and leaper.
26.
It is common in cotton plantations, especially near pastures where " Stylosanthes gracilis " is incorporated.
27.
Despite varying little across its range, " N . gracilis " has a number of infraspecific taxa.
28.
The fasciculus gracilis has first-order, second-order, and third-order nerve fibers described below:
29.
Lesioning experiments in cats and rodents show mostly propioceptive and somatosensory deficits following lesions to nucleus gracilis and nucleus cuneatus.
30.
It is known only from the type species " Rhadinosuchus gracilis ", reposited in Munich, Germany.