英语词汇“enteron”造句的方法、技巧、例句及翻译-英语例句辞典

The primitive enteron or undifferentiated digestive sac of a gastrula or other embryo. Webster's Unabridged Dictionary 2012-03-24T02:00:23.513Z

The former, to which they limited the use of the word coelom, and which is developed directly or indirectly from the enteron, is found in Annelida, Arthropoda, Echinodermata, Chordata, &c. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3 "Electrostatics" to "Engis" 2011-02-06T03:00:53.093Z

Enteric: relating to the digestive canal or enteron. Explanation of Terms Used in Entomology

The first indication of the formation of the enteron is seen in the very early embryo shown, from the dorsal aspect, in figure 1. Development of the Digestive Canal of the American Alligator

The character of the epithelium of the enteron caudad to the pharynx will be discussed in connection with the sections to be described below. Development of the Digestive Canal of the American Alligator

It lies, of course, on both sides of the enteron proper, and overlaps, anteriorly, as has been said, the posterior end of the lung. Development of the Digestive Canal of the American Alligator

In the Chaetognatha a single sac only is separated from the enteron, but soon becomes divided up. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3 "Electrostatics" to "Engis" 2011-02-06T03:00:53.093Z

The enteron is here cut in no less than seven places: the reason for this will be evident on examination of the plane of the section as shown in figure 7. Development of the Digestive Canal of the American Alligator

The wall of this region of the enteron is comparatively thin, and consists of not more than two layers of compactly arranged cells with round nuclei. Development of the Digestive Canal of the American Alligator

The layers of its wall are much more fully differentiated than in the more anterior regions of the enteron. Development of the Digestive Canal of the American Alligator

Figure 8 shows in outline the enteron, from the ventral aspect, of an embryo of 20 cm. total length, or at about the time of hatching. Development of the Digestive Canal of the American Alligator

This cup-stage is called the gastrula stage; the outer wall of the gastrula is the ectoderm, and its inner the endoderm; while its cavity is the enteron, and the opening to the exterior the blastopore. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3 "Electrostatics" to "Engis" 2011-02-06T03:00:53.093Z

The drawing was made from a dissection and, for the sake of simplicity, only the enteron, respiratory organs, heart, and thymus are shown. Development of the Digestive Canal of the American Alligator

The union of the allantois and the gut accounts for the elongated outline of the enteron in this section. Development of the Digestive Canal of the American Alligator

A distinct mesentery holds the loops of the intestine in position and binds the entire enteron close to the dorsal body wall. Development of the Digestive Canal of the American Alligator

Because of the lack of properly fixed tissue no sections of the enteron of this stage were made. Development of the Digestive Canal of the American Alligator

The endoderm, on the other hand, gives rise to the lining of the enteron, and of the glands which open into it. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3 "Electrostatics" to "Engis" 2011-02-06T03:00:53.093Z

A surface view of an embryo, from the dorsal aspect, at the beginning of the formation of the enteron. Development of the Digestive Canal of the American Alligator

The yolk-stalk, or unclosed region of the enteron, is still of considerable extent, though its exact boundaries are not easy to determine. Development of the Digestive Canal of the American Alligator

A reconstruction, plotted from transverse sections, of the enteron of an embryo of about the age of the one shown in figure 6. Development of the Digestive Canal of the American Alligator

A reconstruction of the enteron of an embryo of 42 mm. crown-rump length. Development of the Digestive Canal of the American Alligator

An outline drawing, from the ventral aspect, of the enteron of an embryo of 20 cm. length, at about the time of hatching; made from a dissection. Development of the Digestive Canal of the American Alligator

A surface view of an embryo, from the dorsal aspect, at the beginning of the formation of the enteron. Development of the Digestive Canal of the American Alligator

Figure 6A represents a reconstruction, from a series of transverse sections, of the enteron of an embryo of about the age of the one shown in figure 6. Development of the Digestive Canal of the American Alligator

A reconstruction, plotted from transverse sections, of the enteron of an embryo of about the age of the one shown in figure 6. Development of the Digestive Canal of the American Alligator

A reconstruction of the enteron of an embryo of 42 mm. crown-rump length. Development of the Digestive Canal of the American Alligator

As seen in the figure the enteron is here wide from side to side, and is depressed dorso-ventrally except for a wide groove in the ventral wall. Development of the Digestive Canal of the American Alligator

As in the preceding reconstruction no attempt is made to show the gill clefts, and only the dorso-ventral profile of the enteron is shown. Development of the Digestive Canal of the American Alligator

It passes through that region of the enteron, ph, which may be called the pre-oral gut, since it lies cephalad to the now open mouth. Development of the Digestive Canal of the American Alligator

The cells lining the Wolffian ducts are smaller than those lining the enteron. Development of the Digestive Canal of the American Alligator

The enteron, including one lung only, for the sake of simplicity, is shaded solid black, while the liver and pancreas, with their ducts, are outlines with unbroken lines. Development of the Digestive Canal of the American Alligator

At the side of this sac is seen the opening of the enteron to the yolk-stalk; the anterior and posterior intestinal portals are not distinguishable from each other. Development of the Digestive Canal of the American Alligator

This structure as has been noted above, is quite distinct from the other parts of the enteron. Development of the Digestive Canal of the American Alligator

They are here quite distinct from the enteron, and may be traced through a large number of sections, being in some regions solid and of a smaller diameter than in the present section. Development of the Digestive Canal of the American Alligator

Figure 7 represents a reconstruction of the enteron of an embryo of 42 mm. crown-rump length. Development of the Digestive Canal of the American Alligator

单词	enteron
例句	enteron The primitive enteron or undifferentiated digestive sac of a gastrula or other embryo. Webster's Unabridged Dictionary 2012-03-24T02:00:23.513Z The former, to which they limited the use of the word coelom, and which is developed directly or indirectly from the enteron, is found in Annelida, Arthropoda, Echinodermata, Chordata, &c. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3 "Electrostatics" to "Engis" 2011-02-06T03:00:53.093Z Enteric: relating to the digestive canal or enteron. Explanation of Terms Used in Entomology The first indication of the formation of the enteron is seen in the very early embryo shown, from the dorsal aspect, in figure 1. Development of the Digestive Canal of the American Alligator The character of the epithelium of the enteron caudad to the pharynx will be discussed in connection with the sections to be described below. Development of the Digestive Canal of the American Alligator It lies, of course, on both sides of the enteron proper, and overlaps, anteriorly, as has been said, the posterior end of the lung. Development of the Digestive Canal of the American Alligator In the Chaetognatha a single sac only is separated from the enteron, but soon becomes divided up. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3 "Electrostatics" to "Engis" 2011-02-06T03:00:53.093Z The enteron is here cut in no less than seven places: the reason for this will be evident on examination of the plane of the section as shown in figure 7. Development of the Digestive Canal of the American Alligator The wall of this region of the enteron is comparatively thin, and consists of not more than two layers of compactly arranged cells with round nuclei. Development of the Digestive Canal of the American Alligator The layers of its wall are much more fully differentiated than in the more anterior regions of the enteron. Development of the Digestive Canal of the American Alligator Figure 8 shows in outline the enteron, from the ventral aspect, of an embryo of 20 cm. total length, or at about the time of hatching. Development of the Digestive Canal of the American Alligator This cup-stage is called the gastrula stage; the outer wall of the gastrula is the ectoderm, and its inner the endoderm; while its cavity is the enteron, and the opening to the exterior the blastopore. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3 "Electrostatics" to "Engis" 2011-02-06T03:00:53.093Z The drawing was made from a dissection and, for the sake of simplicity, only the enteron, respiratory organs, heart, and thymus are shown. Development of the Digestive Canal of the American Alligator The union of the allantois and the gut accounts for the elongated outline of the enteron in this section. Development of the Digestive Canal of the American Alligator A distinct mesentery holds the loops of the intestine in position and binds the entire enteron close to the dorsal body wall. Development of the Digestive Canal of the American Alligator Because of the lack of properly fixed tissue no sections of the enteron of this stage were made. Development of the Digestive Canal of the American Alligator The endoderm, on the other hand, gives rise to the lining of the enteron, and of the glands which open into it. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3 "Electrostatics" to "Engis" 2011-02-06T03:00:53.093Z A surface view of an embryo, from the dorsal aspect, at the beginning of the formation of the enteron. Development of the Digestive Canal of the American Alligator The yolk-stalk, or unclosed region of the enteron, is still of considerable extent, though its exact boundaries are not easy to determine. Development of the Digestive Canal of the American Alligator A reconstruction, plotted from transverse sections, of the enteron of an embryo of about the age of the one shown in figure 6. Development of the Digestive Canal of the American Alligator A reconstruction of the enteron of an embryo of 42 mm. crown-rump length. Development of the Digestive Canal of the American Alligator An outline drawing, from the ventral aspect, of the enteron of an embryo of 20 cm. length, at about the time of hatching; made from a dissection. Development of the Digestive Canal of the American Alligator A surface view of an embryo, from the dorsal aspect, at the beginning of the formation of the enteron. Development of the Digestive Canal of the American Alligator Figure 6A represents a reconstruction, from a series of transverse sections, of the enteron of an embryo of about the age of the one shown in figure 6. Development of the Digestive Canal of the American Alligator A reconstruction, plotted from transverse sections, of the enteron of an embryo of about the age of the one shown in figure 6. Development of the Digestive Canal of the American Alligator A reconstruction of the enteron of an embryo of 42 mm. crown-rump length. Development of the Digestive Canal of the American Alligator An outline drawing, from the ventral aspect, of the enteron of an embryo of 20 cm. length, at about the time of hatching; made from a dissection. Development of the Digestive Canal of the American Alligator As seen in the figure the enteron is here wide from side to side, and is depressed dorso-ventrally except for a wide groove in the ventral wall. Development of the Digestive Canal of the American Alligator As in the preceding reconstruction no attempt is made to show the gill clefts, and only the dorso-ventral profile of the enteron is shown. Development of the Digestive Canal of the American Alligator It passes through that region of the enteron, ph, which may be called the pre-oral gut, since it lies cephalad to the now open mouth. Development of the Digestive Canal of the American Alligator The cells lining the Wolffian ducts are smaller than those lining the enteron. Development of the Digestive Canal of the American Alligator The enteron, including one lung only, for the sake of simplicity, is shaded solid black, while the liver and pancreas, with their ducts, are outlines with unbroken lines. Development of the Digestive Canal of the American Alligator At the side of this sac is seen the opening of the enteron to the yolk-stalk; the anterior and posterior intestinal portals are not distinguishable from each other. Development of the Digestive Canal of the American Alligator This structure as has been noted above, is quite distinct from the other parts of the enteron. Development of the Digestive Canal of the American Alligator They are here quite distinct from the enteron, and may be traced through a large number of sections, being in some regions solid and of a smaller diameter than in the present section. Development of the Digestive Canal of the American Alligator Figure 7 represents a reconstruction of the enteron of an embryo of 42 mm. crown-rump length. Development of the Digestive Canal of the American Alligator
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