File:West04.jpg - Revision history

Z8600021: /* Fig. 4. Pharynx */

2019-07-29T01:16:27Z

Fig. 4. Pharynx

← Older revision		Revision as of 12:16, 29 July 2019
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	[[Paper_-_Description_of_a_Human_Embryo_of_Twenty-two_paired_Somites\|\|Girgis, in a 22-somite embryo]], and van den Broek, in one of 28 somites, show the lung and liver rudiments so close to each other that parts of both are cut in the same section, a fact which is in keeping with Grosser's interpretation of Thompson's specimen;		[[Paper_-_Description_of_a_Human_Embryo_of_Twenty-two_paired_Somites\|Girgis, in a 22-somite embryo]], and van den Broek, in one of 28 somites, show the lung and liver rudiments so close to each other that parts of both are cut in the same section, a fact which is in keeping with Grosser's interpretation of Thompson's specimen;

Z8600021 at 11:07, 10 Mayıs 2016

2016-05-10T11:07:51Z

← Older revision		Revision as of 22:07, 10 Mayıs 2016
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	===Reference===		===Reference===
			{{Ref-West1937}}
	~~West, CM. [[Paper~~ - ~~A Human Embryo of Twenty-five Somites\|'''A Human Embryo of Twenty-five Somites''']]. J. Anat.: 1937, 71(Pt 2);169-200.1 PMID 17104635~~


	{{Footer}}		{{Footer}}
	[[Category:Carnegie Stage 12]]		[[Category:Carnegie Stage 12]]

Z8600021 at 02:11, 17 February 2016

2016-02-17T02:11:52Z

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	:'''Links:''' [[Paper_-_A_Human_Embryo_of_Twenty-seven_Pairs_of_Somites,_Embedded_in_Decidua\|Waterston (1914)]] \| [[Paper_-_Description_of_a_Human_Embryo_of_Twenty-two_paired_Somites\|Girgis (1926)]]		:'''Links:''' [[Paper_-_A_Human_Embryo_of_Twenty-seven_Pairs_of_Somites,_Embedded_in_Decidua\|Waterston (1914)]] \| [[Paper_-_Description_of_a_Human_Embryo_of_Twenty-two_paired_Somites\|Girgis (1926)]]


	{{Historic Disclaimer}}		{{Historic Disclaimer}}
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	{{West1937}}		{{West1937}}

			===Reference===

			West, CM. [[Paper - A Human Embryo of Twenty-five Somites\|'''A Human Embryo of Twenty-five Somites''']]. J. Anat.: 1937, 71(Pt 2);169-200.1 PMID 17104635

	~~{{Historic Papers}}~~


	~~===Reference===~~
	~~<pubmed>17104635</pubmed>\| [http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1252340 PMC1252340]~~

	{{Footer}}		{{Footer}}
	[[Category:Carnegie Stage 12]]		[[Category:Carnegie Stage 12]]

Z8600021 at 21:51, 15 October 2014

2014-10-15T21:51:36Z

← Older revision		Revision as of 08:51, 16 October 2014
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	===Reference===		===Reference===


	<pubmed>17104635</pubmed>\| [http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1252340 PMC1252340]		<pubmed>17104635</pubmed>\| [http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1252340 PMC1252340]

			{{Footer}}
	[[Category:Carnegie Stage 12]]		[[Category:Carnegie Stage 12]]

Z8600021: /* Fig. 4. Pharynx */

2014-01-29T23:27:27Z

Fig. 4. Pharynx

← Older revision		Revision as of 10:27, 30 Ocak 2014
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	Girgis, in a 22-somite embryo, and van den Broek, in one of 28 somites, show the lung and liver rudiments so close to each other that parts of both are cut in the same section, a fact which is in keeping with Grosser's interpretation of Thompson's specimen;		[[Paper_-_Description_of_a_Human_Embryo_of_Twenty-two_paired_Somites\|\|Girgis, in a 22-somite embryo]], and van den Broek, in one of 28 somites, show the lung and liver rudiments so close to each other that parts of both are cut in the same section, a fact which is in keeping with Grosser's interpretation of Thompson's specimen;

Z8600021: /* Fig. 4. Pharynx */

2014-01-29T23:26:45Z

Fig. 4. Pharynx

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	:'''Links:''' [[Paper_-~~_Description_of_a_Human_Embryo_of_Twenty~~-~~two_paired_Somites~~\|~~Girgis~~ (~~1926~~)]] \| [[Paper_-~~_A_Human_Embryo_of_Twenty~~-~~seven_Pairs_of_Somites,_Embedded_in_Decidua~~\|~~Waterston~~ (~~1914~~)]]		:'''Links:''' [[Paper_-_A_Human_Embryo_of_Twenty-seven_Pairs_of_Somites,_Embedded_in_Decidua\|Waterston (1914)]] \| [[Paper_-_Description_of_a_Human_Embryo_of_Twenty-two_paired_Somites\|Girgis (1926)]]


	{{Historic Disclaimer}}		{{Historic Disclaimer}}

Z8600021: /* Fig. 4. Pharynx */

2014-01-29T23:20:18Z

Fig. 4. Pharynx

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	==Fig. 4. Pharynx==		==Fig. 4. Pharynx==

	In Text-fig.4 I show a drawing of this region in the present specimen, together with tracings of the same area in the embryos described by Corner (1929), Heuser (1930), Low (1908), Davis (1923), Thompson (1907, 1908), Girgis (1926), Johnson (1917), and [[Paper_-_A_Human_Embryo_of_Twenty-seven_Pairs_of_Somites,_Embedded_in_Decidua\|Waterston (1914)]].		In Text-fig.4 I show a drawing of this region in the present specimen, together with tracings of the same area in the embryos described by Corner (1929), Heuser (1930), Low (1908), Davis (1923), Thompson (1907, 1908), [[Paper_-_Description_of_a_Human_Embryo_of_Twenty-two_paired_Somites\|Girgis (1926)]], Johnson (1917), and [[Paper_-_A_Human_Embryo_of_Twenty-seven_Pairs_of_Somites,_Embedded_in_Decidua\|Waterston (1914)]].


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	In [[Paper_-_A_Human_Embryo_of_Twenty-seven_Pairs_of_Somites,_Embedded_in_Decidua\|Waterston's embryo of 27 somites]], there is again a wide interval between lung and liver, and he shows a lung bud which can surely be interpreted as nothing but lung. In the earlier stages to which I have referred the lung bud is shown as being bifid at its caudal end, but such a bifid condition is not present in the more caudal swelling of Thompson's embryo, whereas it is present in the cranial swelling which Thompson calls lung bud. Furthermore, if Grosser is correct in his interpretation of the more caudal swelling as lung bud, itwould mean that this structure would come to an end right up against the dorsal surface of the liver bud, behind which it is hidden. The resemblance between Thompson's specimen and my own is so close that I find it difficult to believe that Grosser's interpretation is correct.		In [[Paper_-_A_Human_Embryo_of_Twenty-seven_Pairs_of_Somites,_Embedded_in_Decidua\|Waterston's embryo of 27 somites]], there is again a wide interval between lung and liver, and he shows a lung bud which can surely be interpreted as nothing but lung. In the earlier stages to which I have referred the lung bud is shown as being bifid at its caudal end, but such a bifid condition is not present in the more caudal swelling of Thompson's embryo, whereas it is present in the cranial swelling which Thompson calls lung bud. Furthermore, if Grosser is correct in his interpretation of the more caudal swelling as lung bud, itwould mean that this structure would come to an end right up against the dorsal surface of the liver bud, behind which it is hidden. The resemblance between Thompson's specimen and my own is so close that I find it difficult to believe that Grosser's interpretation is correct.



			:'''Links:''' [[Paper_-_Description_of_a_Human_Embryo_of_Twenty-two_paired_Somites\|Girgis (1926)]] \| [[Paper_-_A_Human_Embryo_of_Twenty-seven_Pairs_of_Somites,_Embedded_in_Decidua\|Waterston (1914)]]

	{{Historic Disclaimer}}		{{Historic Disclaimer}}

Z8600021: /* Fig. 4. Pharynx */

2014-01-29T23:17:49Z

Fig. 4. Pharynx

← Older revision		Revision as of 10:17, 30 Ocak 2014
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	==Fig. 4. Pharynx==		==Fig. 4. Pharynx==

	In Text-fig.4 I show a drawing of this region in the present specimen, together with tracings of the same area in the embryos described by Corner (1929), Heuser (1930), Low (1908), Davis (1923), Thompson (1907, 1908), Girgis (1926), Johnson (1917), and Waterston (1914).		In Text-fig.4 I show a drawing of this region in the present specimen, together with tracings of the same area in the embryos described by Corner (1929), Heuser (1930), Low (1908), Davis (1923), Thompson (1907, 1908), Girgis (1926), Johnson (1917), and [[Paper_-_A_Human_Embryo_of_Twenty-seven_Pairs_of_Somites,_Embedded_in_Decidua\|Waterston (1914)]].


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	in Waterston's embryo, of 27 somites, there is again a wide interval between lung and liver, and he shows a lung bud which can surely be interpreted as nothing but lung. In the earlier stages to which I have referred the lung bud is shown as being bifid at its caudal end, but such a bifid condition is not present in the more caudal swelling of Thompson's embryo, whereas it is present in the cranial swelling which Thompson calls lung bud. Furthermore, if Grosser is correct in his interpretation of the more caudal swelling as lung bud, itwould mean that this structure would come to an end right up against the dorsal surface of the liver bud, behind which it is hidden. The resemblance between Thompson's specimen and my own is so close that I find it difficult to believe that Grosser's interpretation is correct.		In [[Paper_-_A_Human_Embryo_of_Twenty-seven_Pairs_of_Somites,_Embedded_in_Decidua\|Waterston's embryo of 27 somites]], there is again a wide interval between lung and liver, and he shows a lung bud which can surely be interpreted as nothing but lung. In the earlier stages to which I have referred the lung bud is shown as being bifid at its caudal end, but such a bifid condition is not present in the more caudal swelling of Thompson's embryo, whereas it is present in the cranial swelling which Thompson calls lung bud. Furthermore, if Grosser is correct in his interpretation of the more caudal swelling as lung bud, itwould mean that this structure would come to an end right up against the dorsal surface of the liver bud, behind which it is hidden. The resemblance between Thompson's specimen and my own is so close that I find it difficult to believe that Grosser's interpretation is correct.

	{{Historic Disclaimer}}		{{Historic Disclaimer}}

Z8600021: /* Fig. 4. Pharynx */

2014-01-29T23:14:48Z

Fig. 4. Pharynx

← Older revision		Revision as of 10:14, 30 Ocak 2014
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	In Text-fig.4 I show a drawing of this region in the present specimen, together with tracings of the same area in the embryos described by Corner (1929), Heuser (1930), Low (1908), Davis (1923), Thompson (1907, 1908), Girgis (1926), Johnson (1917), and Waterston (1914).		In Text-fig.4 I show a drawing of this region in the present specimen, together with tracings of the same area in the embryos described by Corner (1929), Heuser (1930), Low (1908), Davis (1923), Thompson (1907, 1908), Girgis (1926), Johnson (1917), and Waterston (1914).


	In the earlier stages (Corner and Heuser) lung and liver are very close to each other; in Low's specimen I have marked a doubtful swelling which I believe represents the lung bud,but from his statements I do not think that this is the groove which Low considers (p. 245) "may indicate the lung groove", but that he would place it some distance further cranialwards.		In the earlier stages (Corner and Heuser) lung and liver are very close to each other; in Low's specimen I have marked a doubtful swelling which I believe represents the lung bud,but from his statements I do not think that this is the groove which Low considers (p. 245) "may indicate the lung groove", but that he would place it some distance further cranialwards.

	In Davis' specimen liver and lung ~~stilare~~ in close apposition, but in the embryo described by Thompson there is a sudden increase in the distance between the two rudiments, but what Thompson interprets as stomach Grosser (1912) would call lung bud, and Davis after a study of his own specimen naturally takes the same view as Grosser;
			In Davis' specimen liver and lung still are in close apposition, but in the embryo described by Thompson there is a sudden increase in the distance between the two rudiments, but what Thompson interprets as stomach Grosser (1912) would call lung bud, and Davis after a study of his own specimen naturally takes the same view as Grosser;


	Girgis, in a 22-somite embryo, and van den Broek, in one of 28 somites, show the lung and liver rudiments so close to each other that parts of both are cut in the same section, a fact which is in keeping with Grosser's interpretation of Thompson's specimen;		Girgis, in a 22-somite embryo, and van den Broek, in one of 28 somites, show the lung and liver rudiments so close to each other that parts of both are cut in the same section, a fact which is in keeping with Grosser's interpretation of Thompson's specimen;


	in Johnson's specimen, of 24 somites and in the present one, of 25 somites, there is a much larger interval between lung and liver, and I agree with the interpretation of Johnson, as far as these two rudiments are concerned, though I am not so certain about his ?5th pharyngeal pouch;		in Johnson's specimen, of 24 somites and in the present one, of 25 somites, there is a much larger interval between lung and liver, and I agree with the interpretation of Johnson, as far as these two rudiments are concerned, though I am not so certain about his ?5th pharyngeal pouch;


	in Waterston's embryo, of 27 somites, there is again a wide interval between lung and liver, and he shows a lung bud which can surely be interpreted as nothing but lung. In the earlier stages to which I have referred the lung bud is shown as being bifid at its caudal end, but such a bifid condition is not present in the more caudal swelling of Thompson's embryo, whereas it is present in the cranial swelling which Thompson calls lung bud. Furthermore, if Grosser is correct in his interpretation of the more caudal swelling as lung bud, itwould mean that this structure would come to an end right up against the dorsal surface of the liver bud, behind which it is hidden. The resemblance between Thompson's specimen and my own is so close that I find it difficult to believe that Grosser's interpretation is correct.		in Waterston's embryo, of 27 somites, there is again a wide interval between lung and liver, and he shows a lung bud which can surely be interpreted as nothing but lung. In the earlier stages to which I have referred the lung bud is shown as being bifid at its caudal end, but such a bifid condition is not present in the more caudal swelling of Thompson's embryo, whereas it is present in the cranial swelling which Thompson calls lung bud. Furthermore, if Grosser is correct in his interpretation of the more caudal swelling as lung bud, itwould mean that this structure would come to an end right up against the dorsal surface of the liver bud, behind which it is hidden. The resemblance between Thompson's specimen and my own is so close that I find it difficult to believe that Grosser's interpretation is correct.

			{{Historic Disclaimer}}

	{{~~Template:~~West1937}}		{{West1937}}

	~~{{Historic Disclaimer}}~~

Z8600021 at 12:07, 28 March 2012

2012-03-28T12:07:46Z

← Older revision		Revision as of 23:07, 28 March 2012
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	==Fig. 4 ==		==Fig. 4. Pharynx==

			In Text-fig.4 I show a drawing of this region in the present specimen, together with tracings of the same area in the embryos described by Corner (1929), Heuser (1930), Low (1908), Davis (1923), Thompson (1907, 1908), Girgis (1926), Johnson (1917), and Waterston (1914).

			In the earlier stages (Corner and Heuser) lung and liver are very close to each other; in Low's specimen I have marked a doubtful swelling which I believe represents the lung bud,but from his statements I do not think that this is the groove which Low considers (p. 245) "may indicate the lung groove", but that he would place it some distance further cranialwards.

			In Davis' specimen liver and lung stilare in close apposition, but in the embryo described by Thompson there is a sudden increase in the distance between the two rudiments, but what Thompson interprets as stomach Grosser (1912) would call lung bud, and Davis after a study of his own specimen naturally takes the same view as Grosser;

			Girgis, in a 22-somite embryo, and van den Broek, in one of 28 somites, show the lung and liver rudiments so close to each other that parts of both are cut in the same section, a fact which is in keeping with Grosser's interpretation of Thompson's specimen;

			in Johnson's specimen, of 24 somites and in the present one, of 25 somites, there is a much larger interval between lung and liver, and I agree with the interpretation of Johnson, as far as these two rudiments are concerned, though I am not so certain about his ?5th pharyngeal pouch;

			in Waterston's embryo, of 27 somites, there is again a wide interval between lung and liver, and he shows a lung bud which can surely be interpreted as nothing but lung. In the earlier stages to which I have referred the lung bud is shown as being bifid at its caudal end, but such a bifid condition is not present in the more caudal swelling of Thompson's embryo, whereas it is present in the cranial swelling which Thompson calls lung bud. Furthermore, if Grosser is correct in his interpretation of the more caudal swelling as lung bud, itwould mean that this structure would come to an end right up against the dorsal surface of the liver bud, behind which it is hidden. The resemblance between Thompson's specimen and my own is so close that I find it difficult to believe that Grosser's interpretation is correct.


	{{Template:West1937}}		{{Template:West1937}}