These two forms occur in the same individual but, as a rule, the more simple ribbon-like branchia is found in the smaller or younger specimens, and the spiral form in the adult.
Arising from the same part of the coxopodite with this epipodite is the bifurcate spiral branchiawhich has not been seen in this form in other trilobites.
The tenth class of invertebrated animals, so named from the curled and ciliated branchia which protrude from the oval aperture of the shells.
This class constitutes the tenth of invertebrated animals, and receives its name from the jointed and ciliated branchia which protrude between the opercular valves.
Head very large, not marked off from the body; neither branchia nor suckers; fins situated near the middle of the body.
In these there are neither branchia nor osphradium, and the pallial chamber which retains its large opening serves as a lung.
External to the branchia are seen ten club-like processes of the dorsal wall, these are the "cerata" which are characteristically developed in another suborder of Opisthobranchs.
No branchiaof any kind; a short evaginable pharynx, bearing paired conical buccal appendages or "cephalocones.
The heart is usually posterior to the branchia (proso-branchiate).
Anus andbranchia posterior, below the mantle-border.
The vascular is the original system, since its two extremities already carry in themselves the air-and mucus-process, so that branchia and intestine are only to be viewed as peculiarly perfected conditions of these extremities.
The branchia is nothing but a vascular tissue in the air, the intestine none other than a vascular tissue in the water.
When, on the contrary, cases arise causing pulmonary suffocation, the blood then regurgitates to the umbilical vessels, in order to reach the original branchia or placenta.
One and the same fluid or sap is consequently brought back from the branchia to the intestine, and from thence again to the branchia.
But there is also a sexualbranchia in those inferior animals which breathe through the anus, such as many aquatic larvæ.
The spleen is the branchia of the stomach; it has therefore no excretory duct and requires none.
Each branchia is double, the two folds being united where attached in a transverse line across the sack, on a level with the attachment of the body.
Scutum and tergum articulated together, or overlapping each other; each branchia composed of a single plicated fold.
The branchia on the further side, which occupies the position represented at fig.
On the side nearest the wall of the shell, the whole branchia has a bilobed appearance, owing to a very deep indentation caused by the projection of the scutal lateral depressor muscle; the sub-folds on this side are also more plicated.
The right anterior branchia is much the largest, the trunk very long, with the left anterior much smaller.
Color in general pale brown; at black spot at base of each branchia at least those of posterior region, in front and behind and the proximal part of branchia often darkened.
First branchia on each side attached to second somite just in front and mesad of the first setigerous tubercle.
The second branchiaattached just caudad of the first on the caudal region of somite III.
Several animals have been described, to which it is more closely related by the character of the persistent branchia, than it is to the well-known types of the genus, of which the branchia disappear at the age of puberty.
The colour above is in reality pale, but it is rendered of a brownish appearance by the very numerous confluent points of that colour, which nearly cover the surface of the body; branchia bright red; peduncles colour of the body.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "branchia" in a variety of sentences. We hope that you will now be able to make sentences using this word.