Navicula is elliptical or lanceolate, and the zone view is rectangular, we have in Cymbella anarcuate median line and a more or less reniform valve, while the zone view remains rectangular with the valves parallel.
Valve linear, with dorsal margin arcuate and the ventral margin straight.
Valve narrow, with arcuate dorsal and straight ventral margin, acute at the ends.
Valve arcuate on the dorsal and nearly straight on the ventral side; ends protracted or slightly capitate.
Some specimens also have an arcuate black band over the forehead from one outer corner of the eye to the other.
The arcuate band from the corners of the eyes over the forehead varies in breadth and depth of colour.
The sympathetic nerves usually enter the abdomen behind the internal arcuate ligaments.
There are three large openings in the diaphragm; the aortic (k) is behind the middle arcuate ligament and transmits the aorta, the vena azygos major, and the thoracic duct.
The last thoracic or subcostal nerves pass behind the external arcuate ligament.
Fore femora very much swollen, armed with spines below, fore tibia arcuate and applied closely to the inferior margin of the femur.
Legs spinulose, tarsal claws of the female with a basal tooth or strong bristle, those of the male unequal, the anterior with a long sinuous tooth, the posterior with a short arcuate tooth.
Branches 4 to 7 serial; opening of cells in central rows, oval, sometimes square below; and the cell frequently produced into a shallow arcuate cavity.
Geologists and oceanographers have shown (see descriptions by Hobbs, 1945), that islands of Micronesia are of two general types: arcuate and strewn.
To the eastward of the arcuateislands in Micronesia, are numerous and irregularly distributed islands, making up all of the central and eastern Carolines and the Marshalls, which are known as strewn islands.
Leaves entire, sometimes auriculate, persistent or deciduous, often minutely punctate, their numerous primary veins arcuate and more or less united within the margins.
This branch is soon arcuate or bent, and often elongated in describing a spiral, the irregular turns of which are lax or compressed.
During all these changes, while the zygospore enlarges, the wall of the arcuate cells becomes coloured brown.
These processes appear at first on one of the arcuate cells in successive order.
When the conceptacles are fully matured, it is commonly the case that the asci are absorbed and the sporidia are free in the interior of the conceptacles.
It is unnecessary here to particularize all the modifications which the form and colour of the spores undergo in different species, as this has already been alluded to.
The arcuate deflection, on the other hand, has not been mentioned elsewhere as a personal observation.
The arcuate deflection, which is nothing but a registration of the difference in the indices of refraction of the different parts of the lens used consecutively, might thus be formed for the observer using the mirror, but never for the horse.
Gills= rather thick, narrowed behind, emarginate or acutely adnate, sometimes appearing arcuate from shape of cap.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "arcuate" in a variety of sentences. We hope that you will now be able to make sentences using this word.
