For example, it does not suggest that hydrogen is at first formed, and subsequently transformed into water.
When coal is burning in a stove or grate carbon dioxide is at first formed in the free supply of air, but as the hot gas rises through the glowing coal it is reduced to carbon monoxide.
That the heart is first formed at a period when the folding in of the splanchnopleure to form the throat has not commenced, and when therefore it would be impossible for it to be formed as a single tube.
It deserves to be especially noted, that when the yolk spherules are first formed, the peripheral layer of the ovum is entirely free from them, a feature which is however apt to be lost in ova hardened in picric acid (Pl.
When galena or lead sulphide is exposed to the roasting process, lead oxide and sulphate, with the copious escape of sulphurous acid, are at first formed.
The mercurous oxide which is first formed at the expense of the oxygen contained in the tetroxide of osmium is decomposed by the hydrochloric acid, and calomel is produced, together with metallic osmium.
The slit below the invaginated layer gradually dilates to form the alimentary cavity; the ventral wall of which is atfirst formed of yolk-cells.
The ventral wall of the mesenteron is at first formed solely of yolk held together by a protoplasmic network with numerous nuclei.
While the lateral epiblast is formed of several rows of cells, that of the medullary plate is atfirst formed of but a single row (fig.
How are the nervous elements grouped round this tube when it is first formed?
When the tube is first formed, it is a large tube, the latero-ventral part of which presents two marked bulgings; connecting these two bulgings is the anterior commissure.
Further, consider the shape of the tube when it is first formed, how extraordinary and significant that is.
The ventral vessel is first formed (Kowalevsky) as a solid mass of cells which subsequently becomes hollowed out.
The auditory sacks are provided with an otolith, which according to Fol's observations is first formed in the wall of the sack.
The shank of the scissors is first formed by means of one of the bosses, above described, leaving as much steel at the end as will form the blade.
He found that the vertebral centra were first formed as rings in the chorda-sheath, which give off neural and hæmal processes.
It became apparent also that the parts first formed (germ-layers) were of primary importance for the establishing of homologies.
The process is based on the fact that there is first formed a soluble compound (KCy, AgCy), which the slightest excess of silver breaks up, and the insoluble cyanide is at once precipitated.
According to Ahrens, angelic acid is first formed, and then converted into tiglic acid.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "first formed" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
