In the latter, the segmentally arranged ganglia are more sharply marked off from the connectives than in other Chaetopods, where nerve cells exist along the whole ventral chain, though more numerous in segmentally disposed swellings.
In the Malacostraca, an elongated heart with numeroussegmentally arranged ostia is found only in the aberrant group of Stomatopoda and in the transitional Phyllocarida.
In addition to these two pairs of glands, which are in all probability the survivors of a series of segmentally arranged coelomoducts present in the primitive Arthropoda, other excretory organs have been described in various Crustacea.
Towards the close of the second larval period the muscles (lm) become segmentally arranged, and give indications of the segmentation which becomes apparent in the third larval period.
These soon unite underneath the furrow, in the median line, and after being differentiated into segmentally arranged ganglionic and interganglionic regions become separated from the epiblast.
In a few cases the radialia correspond segmentally with the neural and haemal arches (living Dipnoans, Pleuracanthus tail region) and this suggests that they represent morphologically prolongations of the neural and haemal spines.
They are situated on branches of the aorta, segmentally arranged, and extend on each side of the vertebral column from close behind the heart to the posterior part of the body-cavity.
Leydig describes the suprarenal bodies as paired bodies segmentally arranged along the ventral side of the spinal column situated on the successive arteriae axillares, and in close connection with one or more sympathetic ganglia.
If, however, it is found that in the very position where such organ ought to have been formed a segmentally arranged ductless gland is situated, the existence of which is shown by its taking up carmine, etc.
The auditory organ of the vertebrate is regarded as a special organ belonging to a segmentallyarranged set of lateral sense-organs, whose original function was co-ordination and equilibration.
A pair of longitudinal mesodermic tendons, which may have been formed originally out of a number of segmentally arranged mesodermic tendons, and are crossed by the fibrils of the transverse muscular bundles.
On the other hand, such nerves were not arranged segmentally with the myotomes, for, according to Joseph, in the middle of the animal ten to twelve such holes occur in one body-segment.
Such a set of segmentally arranged lateral sense-organs is found in annelids in connection with the dorsal cirri of the ventral parapodia.
In vertebrates the excretory organs are in the metasomatic region posterior to the gills, and are segmentallyarranged in this region.
One of them consists of a series of paired bodies, situated on the branches of the dorsal aorta, segmentally arranged, and forming a chain extending from close behind the heart to the hinder end of the body cavity.
The former are usually segmentally arranged, and resemble in many respects the excretory tubes of the Chaetopoda.
The peritoneal funnels of the pronephros appear to be segmentally arranged.
It seems to me probable that the segmentally arranged optic organs of Polyophthalmus are a special modification of the more indifferent sense organs of the Capitellidae.
These cells are however segmentally arranged as separate masses (vide Vol.
A mesonephros is formed (Fuerbringer) relatively late in larval life, as a segmentally arranged series of solid cords, derived from the peritoneal epithelium.
There is typically but a single canal in the trunk, the openings and nerve-endings of which are segmentally arranged.
The air gains access to these tubes through a number of paired air-holes or spiracles, arranged segmentally in series.
The early development of this little marine creature agrees closely with that of the Tunicates; but one important feature is added to its organization--namely, metamerism, segmentally arranged mesoderm.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "segmentally" in a variety of sentences. We hope that you will now be able to make sentences using this word.
