New hair appears ventrally and laterally at the end of 46 days (see Figure 4, part b).
These specimens have the sooty dorsal color of subater, but ventrallyare inseparable from topotypes of taylori.
At the anterior end and situated somewhatventrally is the circular widely gaping mouth or buccal cavity, its lining studded with sharply pointed thorn-like "teeth" and its edge fringed with numerous sensory papillae.
The hoops of each side are connected together dorsally by a pair of longitudinal bars, lying ventral to the notochord, and ventrally by a similar pair of rods which are fused in the middle line.
Ventrally the Myxinoid possesses on each side of the body a row of remarkable epidermal glands which can produce at will enormous quantities of glutinous slime.
Diagnostic characters: The mouth is at the end of a long peristome running along the ventral side; the body is dorso-ventrally or laterally compressed.
The hard fore-wings (elytra) are strengthened with marginal ridges, usually inflected ventrally to form epipleura which fit accurately along the edges of the abdomen.
The shaft is also convex ventrally in lateral profile.
The squamosal anterior to each tympanic bulla is convex ventrally whereas it is concave ventrally in leucoparia as in frenata.
The large size of the skull and teeth and the slightly more ventrally projected tympanic bullae of no.
Also, in perotae, the squamosal, anterior to each tympanic bulla, is ventrally convex rather than ventrally concave as in neomexicana.
The squamosal anterior to each bulla is convexventrally in perotae but flat or concave ventrally in frenata.
The squamosal immediately anterior to each tympanic bulla is flat instead of ventrally convex as in goldmani or ventrally concave as in leucoparia and frenata.
For example, squamosals anterior to tympanic bullae more convex ventrally and these bullae project less from braincase than in M.
The ventrally convex squamosal anterior to each tympanic bulla and the slight degree of projection from the cranium of the anterior margin of each tympanic bulla are intermediate in degree between the condition in M.
The postfrontal extends laterally and ventrally and has a terminal extension that projects anterolaterally.
The basioccipital does not have noticeable pterygoid processes, but is rather smooth ventrally and only slightly emarginate on its posterolateral margins.
Ventrally the frontal is concave and forms the median limits of the optic cavity.
The dorsal ground color is pale brown, tan, olive, or white; usually the ground color is palest ventrally and darkest dorsally.
Posterior to the place of scale reduction, the dorsolateral white stripe is displaced ventrally one scale-row.
Farther ventrally the frontal joins with the parasphenoid, which at this place forms the ventral extent of the skull, and together with the basisphenoid forms the ventral part of the posterior three-fourths of the skull.
In the Dipnoans, also survivors from the remote past, the duct not only opensventrally into the oesophagus, but the air-bladder does duty as a lung.
The body is weakly pointed ventrally and rounded dorsally.
The chrysalis is convex, both ventrally and dorsally, humped on the thorax, produced at the head; all the projections well rounded.
Ventrally straight, dorsally convex, strongly produced in a rounded, somewhat keeled eminence over the thorax; pointed at the end.
The urohyal likewise unpaired, rested ventrally on the larynx.
The basisphenoids are ventrally overlaid, and later on fused with, a pair of membrane bones, the basi-temporals, homologous in part with the parasphenoid of lower vertebrates.
In the pelvic region, from about the level of the posterior end of the ischiadic plexus, the strand of each side becomes single again, passing ventrally over the transverse processes.
In most birds the feet of the coracoids do not touch each other; in some groups they meet, in others one overlaps the other, the right lying ventrally upon the left.
The =thoracic vertebrae= (often called dorsal) bear movably articulated ribs which uniteventrally with the sternum.
The anterior boundary of the quadrate is extremely irregular, it is united dorsally with the postfrontal, pro-otic, and squamosal, and more ventrally with the alisphenoid.
They articulate laterally with the lachrymal and palatine, and ventrally with the parasphenoid.
In Chimaera the pelvic girdle has a flattened pointed iliac portion, and ventrally an unpaired movable cartilaginous plate which bears hooks and is supposed to be copulatory in function.
Behind, it articulates dorsally with the basi-occipital and dorsolaterally with the pro-otics and opisthotics, in front it articulates dorsally with the lateral ethmoid and ventrally with the vomer.
Each is united with a number of bones, on its inner side with the frontal and parietal, behind with the squamosal, and ventrally with the alisphenoid.
They are united ventrally with the quadrates and quadratojugals.
The =ilium= is a small slightly curved bone, which unites ventrally with the pubis and ischium, and extends dorsalwards and backwards to meet the distal ends of the sacral ribs.
Ventrally in front of the ischium there is a tract of unossified cartilage which is often regarded as the pubis.
The esophagus, just behind the heart, turns ventrally and to the left.
The grain is oblong, brownish, dorsally concave and ventrallyraised and convex.
The grain is orbicular, ventrally furrowed and enclosed by the polished hard bract.
The epiblast travels over the hypoblast more rapidly than the mesoblast, so that when the blastopore becomes closed ventrally the mesoblastic bands are still some little way apart on the ventral side.
The embryo on becoming hatched rapidly elongates, while at the same time it becomes dorso-ventrally flattened and acquires a complete coating of cilia (fig.
Kowalevsky on this point, and further states that these two masses meet first ventrally and much later on the dorsal side.
The mouth is at first situated ventrally behind the prae-oral cap of cilia, but the prae-oral cap becomes gradually absorbed, and the mouth assumes a terminal position.
They do not however meet ventrally for some time, but form two bands, one on each side of the median ventral line (fig.
The velum appears as a patch of cilia on the dorsal side, which then gradually extends ventrally so as to form a complete circle just dorsal to the mouth.
The ventrally placed mouth is surrounded by a well-marked lip, and in front of it is placed a small prae-oral lobe.
The two cavities in the cephalic commissure unite dorsally, but ventrally open into the first somite of the trunk.
The oesophageal commissure is however completedventrally by the ganglia of the pedipalpi.
The somatic layer rapidly becomes thicker, and enlarges laterally to form two bands united dorsally and ventrally by narrow, thinner bands.
At the equator are situated two parallel ciliated bands[137], between which lies the ventrally placed mouth (m).
Ventrally the premaxillary makes up the anterior two-thirds of the lateral wall of the incisive (anterior palatine) foramen.
Ventrally the frontal bone meets the orbital processes of the palatine and maxillary bones, and posterolaterally meets the orbitosphenoid.
Ventrally the zygomatic root rises above the fourth premolar as in H.
Similarly the praecaudal part of the fin-fold ventrally becomes reduced to a single anal fin (a.
Ventrally there project backwards from the ceratohyal a series of ten overlapping branchiostegal rays, while more dorsally are the broader interopercular, subopercular and opercular.
Lepidosiren and Protopterus[4] the crescentic cement organ lying ventrally behind the mouth consists of a glandular thickening of the deep layer of the ectoderm.
In the Crossopterygian the ventrally placed slit-like glottis leads into a common chamber produced anteriorly into two horns and continued backwards into two "lungs.
The dorsal roots of these nerves disappear entirely in the adult, but the ventral roots persist and are to be seen arising ventrally to the vagus roots.
While in Pleuracanthus the lateral halves are distinct (and segmented like the branchial arches), in living Selachians generally the two halves are completely fused ventrally with one another.
The originally separate parachordals and trabeculae become connected to form a trough-like, primitive cranium, complete or nearly so laterally and ventrally but open dorsally.
On the medial surface of the mandible, the prearticular and articular bones meet in a ridge that ventrally rims the glenoid cavity (Fig.
The mandibular ramus is ventrally convex in both genera.
Their pelage contrasts markedly with the dorsally brownish and ventrally buffy pelage of the September-taken specimens from Prater Canyon.
The fundus is a capacious pouch prolonged ventrally and dorsally into two caecal appendages resembling the single appendage of the pig's stomach.
In the course of further development the edges of these two layers approach each other ventrally in the median line and finally fuse.
The somatopleuric layers bounding the body cavity take a wider sweep and after they have united ventrally in the median line they embrace a much more extensive space, the primitive body cavity or coelom.
The stalks attaching the more mature buds to the stolon are provided with ventrally directed scales, which completely hide the stolon in a view from the ventral surface.
In the meantime the lateral plates of the two sides unite ventrally throughout the intestinal and cardiac regions of the body, and the two primitively isolated cavities contained in them coalesce.
The nearest living representatives of this group are the Elasmobranchii, which still retain in the adult state the ventrallyplaced mouth.
It is lined dorsally by lower layer cells, and ventrally by yolk-cells or what corresponds with yolk-cells; a large part of the ventral epithelium of the alimentary canal being in both cases eventually derived from the yolk.
This enlargement takes place partly by the elongation of the posterior mediastinum, but still more by the two divisions of the body cavity which contain the lungs extending themselves ventrally round the outside of the pericardial cavity.
The Echinoderm ring is oblique to the axis of the body, and, owing to the fact of its passing ventrally in front of the anus, must be called postoral.
After traversing the notochord, the passage is continued into a hypoblastic diverticulum, which opens ventrally into the future lumen of the alimentary tract (C).
It is placed in the anterior region of the body, and opens ventrally on each side, a short way behind the velum.
It is composed dorsally and ventrally of a columnar epithelium, but in its middle portion of the muscle-cells previously spoken of.
The amnion (am) is enormous, and is dorsally in apposition with, and apparently coalesces with the chorion, and ventrally covers the inner wall of the persistent allantoic sack.
Ventrally the liver is united with the abdominal wall, but laterally passages are left by which the pericardial and body cavities continue to communicate.
The segmentation cavity (sg) lies between the two, but is unsymmetrically placed near the upper pole of the egg, owing to the large bulk of the ventrally placed yolk-segments.
In the tail however the plates do not unite ventrally till somewhat later, and their contained cavities remain distinct till eventually obliterated.
The narial rim is wide, but wider ventrally than dorsally.
The lateral edge of the operculum expands ventrallyand then dorsomedially to form a complete tube.
It abruptly expands dorsally along the medial face of the nasal to join the tectum nasi dorsolaterally; somewhat posteriorly the planum antorbitale joins the anterior maxillary process ventrally at the posterior margin of the internal nares.
Posterior to the transition zone, the planum antorbitale disappears and the posterior maxillary process is restrictedventrally along the pars facialis of the maxillary.
The planum terminale is restricted ventrally and terminates at the level of the olfactory eminence (olf.
The lamina inferior diverges ventrally from the planum terminale anterior to the olfactory eminence.
The latter is bordered by bone dorsally and by cartilageventrally (Fig.
Posterior to the anterior end of the cavum medium and the lamina superior, the alary cartilage separates ventrally from the lamina.
It first appears within the capsule bordered dorsally by the tectum nasi, medially and ventrally by the septum nasi, and laterally by the alary cartilage.
Anteriorly, dorsally, and ventrally the foramen has a bony margin formed by the prootic (pro.
For this reason the pronephros is said to be formed, in part at least, from a portion of the coelom situated more ventrally than the purely somatic part which gives rise to the mesonephros.
At transformation these muscles proliferate and develop enormously, and form the bulk of the large basilar muscle which {308}surrounds the throat ventrally and laterally, and is the most bulky muscle in the suctorial apparatus.
The interpretation of this stage is that in the invertebrate ancestor the nerve-masses were situated laterally and ventrally to the epithelial tube, and were connected together by commissures on the ventral side of the tube (Fig.
In this comparison there is a very great difficulty, very similar to that of the original attempts to derive vertebrates from annelids--the gill-slits open ventrally in the one animal and dorsally in the other.
It is attached dorsally to the carapace and ventrally to the pre-oral entosclerite.
Opening ventrally is a tube called the tube of the hypophysis, Hy.
The amalgamation of the pleural folds ventrally completed the process, and so formed an animal resembling the Cephalaspidae, Ammocoetes, or Amphioxus.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "ventrally" in a variety of sentences. We hope that you will now be able to make sentences using this word.
