This is a portion of the alimentary canal, the rectum, which opens posteriorly through the anus into the supra-branchial chamber.
The body is worm-like and cylindrical, the posterior half a little thicker than the anterior; the posterior extremity forms the enlarged funnel-like branchial or cloacal chamber.
One osphradium or branchial olfactory organ is usually present on each side, on either side of the anus on the inner wall of the mantle, near the base of the last gill.
The stomach opens into a short straight rectum which opens into the branchial chamber.
Into the groove open mucous glands, a large one anteriorly and another opening into a posteriorly cloacal, branchial cavity.
Mesosomatic segments furnished with large plate-like appendages, the 1st pair acting as the genital operculum, the remaining pairs being provided with branchial lamellae fitted for breathing oxygen dissolved in water.
IX, The first pair of lung-books of Scorpio and the second branchial plate of Limulus.
The dotted line on somite I indicates the position of the genital operculum which was probably provided with branchial lamellae.
VIII, The pectens of Scorpio and the first branchial plate of Limulus.
Stigma or orifice of the hollow tendons of the branchialplates of Limulus.
It has one or two external openings through the nose in the higher vertebrates, and lateral branchial openings in fishes and some amphibias.
A group of wormlike invertebrates having, along the sides of the body, branchial openings for the branchial sacs, which are formed by diverticula of the alimentary canal.
Of or pertaining to a region of the carapace of a crab covering the middle branchial region.
An order of teleostean fishes, having the gills arranged in tufts on the branchial arches, as the Hippocampus and pipefishes.
Pertaining to the segments above the epibranchial in the branchialarches of fishes.
A genus of nudibranch mollusks having clusters of branchial papill\'91 along the back.
There are seven small branchial openings on each side.
Pertaining to the segment between the ceratobranchial and pharyngobranchial in a branchial arch.
An order of fishes having an incomplete or reduced branchial apparatus.
The gill of a crustacean in which the branchial filaments are slender and cylindrical, as in the crawfishes.
Of or pertaining to the pharynx and the branchi\'91; -- applied especially to the dorsal elements in the branchial arches of fishes.
Outside of the branchial arches; -- said of the cartilages thus placed in some fishes.
Defn: The gill of a crustacean in which thebranchial filaments are slender and cylindrical, as in the crawfishes.
Defn: An order of teleostean fishes, having the gills arranged in tufts on the branchial arches, as the Hippocampus and pipefishes.
Defn: Outside of the branchial arches; -- said of the cartilages thus placed in some fishes.
Defn: Of or pertaining to the pharynx and the branchiæ; -- applied especially to the dorsal elements in the branchial arches of fishes.
Defn: Of or pertaining to a region of the carapace of a crab covering the middle branchial region.
Defn: Pertaining to the segment between the basibranchial and the ceratobranchial in a branchial arch.
Most of them develop a mantle, which incloses either a branchial or a pulmonary cavity.
Defn: An order of fishes having an incomplete or reduced branchial apparatus.
Branchial septum with three groups of orifices on each side; siphons short, separate, branchialsiphon with a valve.
Siphons short and separate; branchial siphon with a large valve; branchial septum bears two groups of orifices on either side; hermaphrodite.
Foot with a plantar surface; the two branchial plates serve as incubatory pouches.
Labial palps free, very broad, and provided with a posterior appendage; branchial filaments transverse; shell has an angular dorsal border; mantle open along its whole border.
Branchial septum with four or five pairs of very narrow symmetrical orifices; siphons long, united, their extremities surrounded by tentacles; sexes separate.
Mantle closed to a considerable extent; siphons well developed; gills much folded and frequently prolonged into the branchial siphon.
Branchial filaments united by vascular inter-filamentar junctions and vascular interlamellar junctions; the latter contain the afferent vessels.
They are termed the "branchial clefts," and are seen in the embryos of all vertebrates.
When they are arranged in uniserial or biserial rows the genital ducts open into or near the branchial grooves in the region of the pharynx and in a corresponding position in the post-branchial region.
They occur in the branchial region, and also extend to a variable distance behind it.
In exceptional cases they are either confined to the branchial region or excluded from it.
The gill-pores occur on each side of the dorsal aspect of the worm in a longitudinal series at the base of a shallow groove, the branchial groove.
Mr. Yarrell mentions an instance of an Angler attacking a conger-eel under these circumstances: the eel wriggled through the branchial aperture of his captor, and both were drawn up together.
In fact, the young lyriope has at first its little feet like other isopods, but in the adult state, the female loses her antennae, and changes her buccal as well as her branchial appendages, so as to assume a different appearance.
Among the Philippine Islands, also, a brachyurous crustacean lives in the branchial cavity of one of the Haliotidae, and another on the body of a holothuria.
These curious parasites live also on the surface of bodies, and sometimes in the cavity of the mouth; but in fishes they are most frequently found in the branchial membranes.
Jacobson, of Copenhagen, wrote, in or about 1830, a memoir to show that the young bivalves which are found in the external branchial processes of the Anadontae are parasites, and he proposed for them the name of Glochidium.
Leon Vaillant has written a very interesting memoir on the Tridacnae, and informs us that the crab takes shelter in their branchial chamber.
The macrourous decapods are more rarely found as messmates, but still a Palaemon is sometimes seen on the body of an Actinia, according to Semper, and another in the branchial cavity of a Pagurus.
The tail with the branchial appendages is always directed towards the orifice of the shell.
Cohnii, on the branchial membranes of the Psyrmobranchus protensus.
During their stay in the branchial tubes, each young animal carries a long cable which descends from the middle of the foot, and serves to attach the anodont to the body of a fish, and yet permits it to move to a certain distance.
Radical faculties belong to the interior world, and the branchial to the exterior.
To produce a central effect on the child, the radical faculties must be first developed; to represent this effect, the branchial faculties must be developed.
The radical faculties belong entirely to Love; the branchial to knowledge and industry.
It is imperative upon us to follow the determination of the radical faculties, and to modify the branchial always in obedience to the radical.
After having been taken out of water for a short time, and then again immersed in it, a considerable quantity both of water and air is absorbed by the mouth, and perhaps likewise by the branchial orifices.
From the body being buoyed up with so much air, the branchial openings are out of water, but a stream drawn in by the mouth constantly flows through them.
The fish, having remained in this distended state for a short time, generally expelled the air and water with considerable force from the branchial apertures and mouth.
The branchial efferent vessel carrying aerated blood to the auricle, and here interrupting the circlet of gill lamellae.
Of the organs lying on the reflected mantle-skirt, that which in the natural state lay nearest to the vas deferens on the right side of the median line of the roof of the branchial chamber is the rectum i', ending in the anus a.
The surface of the neck is covered by integument forming the floor of the branchial cavity.
Pharynx suctorial; no radula; branchialrosette on the dorsal surface, above the mantle-border.
This is a groove, the edges of which are raised and ciliated, lying near the branchial plume in the genera which possess that organ, whilst in Firoloida, which has no branchial plume, the osphradium occupies a corresponding position.
Pulmonata are widely distinguished from a small number of Streptoneura at one time associated with them on account of their mantle-chamber being converted, as in Pulmonata, into a lung, and the ctenidium or branchial plume aborted.
Near this and less advanced into thebranchial chamber is the single renal organ or nephridium r with its opening to the exterior r'.
The freely projecting ctenidium of typical form not having its axis fused to the roof of the branchial chamber is the notable character of this genus.
The gill-lamellae of Patella are processes of the mantle comparable with the plait-like folds often observed on the roof of the branchial chamber in other Gastropoda (e.
Visceral mass and shell conical; tentacles atrophied; head expanded; genital apertures contiguous; marine animals, with an aquatic pallial cavity containing secondary branchial laminae.
In these, as in Patella, the typical ctenidia are aborted, and the branchial function is assumed by close-set lamelliform processes arranged in a series beneath the mantle-skirt on either side of the foot.
Of or pertaining to the pharynx and the branchiæ; -- applied especially to the dorsal elements in the branchial arches of fishes.
The question at issue is: did the pharyngeal arches and clefts of mammalian embryos ever discharge a branchial function in an adult ancestor of the mammalia?
History of the Development of the Central Nervous System, of the Extremities, of the Branchial Arches, and of the Tail of Vertebrate Animals.
The back of her neck swelled up like that of a bull, for here the muscles lay over the cranium in large, thick curves, until down by the neck, they gave place each to its branchial cleft, which was as large as a barn door.
Patches of gold, like the sunshine falling through the glassy surface of the water, shone out between the transverse stripes on her sides; and over the branchial arch and the belly lay the pure whiteness of the water-lily.
In many worms the same branchial filaments are converted into hairs or bristles, which are therefore none other than desiccated branchial filaments.
As opposed to the liver, the arterial system also develops itself upon the intestine as a respiratory or branchial organ.
The mantle also or the branchialcavity obeys this want of symmetry.
The external auditory organ has become confluent with the branchial aperture, and the auditory ossicles have become parts of the branchial operculum.
The whole body of the Bird is clothed with branchial laminæ or plates.
When the branchial apertures have coalesced, the nose then opens into the mouth or into the trachea, and in this way the nostrils assume the complete character of aerial foramina.
All Fishes have, with few exceptions, five branchial arches.
The tegument is a vascular, a branchial membrane, a branchial network or skin.
Similar to the preceding family, but the body is depressed, and the abdominal feet furnished with branchial plates.
There can be therefore present in the Insect no other development than in the Cutaneous animal, which works itself up into the Branchial and Tracheal animal.
The respiratory system intobranchial membrane or skin, into branchiæ, and into lungs or tracheæ, i.
The whole structure forms the commencement of the branchial basketwork of the adult; the arrangement of which differs considerably in structure and origin from the simple system of branchial clefts of normal vertebrate types.
The mouth is now a deep pit, the hind borders of which are almost completely formed by a thickening in front of the first branchial or visceral cleft, which may be called the first branchial arch or mandibular arch.
In the Ascidians the origin of a groove-like diverticulum of the ventral wall of the branchial sack, bounded by two lateral folds, and known as the endostyle or hypopharyngeal groove, has already been described (p.
The two latter are situated on the ventral side of the posterior extremity of the branchial cavity.
The simple condition of these bars in the embryo renders it highly probable that forms existed at one time with a simple branchial skeleton of this kind: at the present day however such forms no longer exist.
It fuses with the skin at the upper part of the gill arches, and also with that of the pericardial wall below them; but is free in the middle, and so assists in forming a cavity, known as the branchial cavity, in which the gills are placed.
On the other hand the insertion of the liver, which was probably a very primitive organ, appears to indicate with approximate certainty the posterior limit of the branchial clefts.
On the ventral aspect of the branchial region is placed a sack (figs.
Between the hyoid and first branchial arch, and between the otherbranchial arches, slits are developed, there being four slits in all.
These processes, by their aspect, remind one of the so-called branchial projections on the back of Eolis, but in this worm I believe them to be special folds formed for the lodgment of unusually developed uterine organs.
These are the Cymothoidæ, which attach themselves to the tails of fishes, and the Bopyridæ, which occupy the branchialcavity of shrimps.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "branchial" in a variety of sentences. We hope that you will now be able to make sentences using this word.
