Renal System - Carnegie Stage 22: Difference between revisions
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{{Header}} | |||
==Introduction== | ==Introduction== | ||
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| [[File:Stage22- | | [[File:Stage22-UG-icon.jpg|160px|link=Movie_-_Urogenital_System_3D_stage_22]] | ||
| [[Movies_-_Embryo_Carnegie_stage_22|Movies - Embryo Carnegie stage 22]] - This embryo animation rotates and show the relative position of internal renal system structures at the end of embryonic development. Compare these with the earlier [[Renal System - Carnegie Stage 13|stage 13]] embryo. | |||
| [[Movies_-_Embryo_Carnegie_stage_22|Movies - Embryo Carnegie stage 22]] - | |||
The movies are based upon reconstruction of serial slice images shown below. | |||
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| [[Movie_-_Urogenital_System_3D_stage_22|Urogenital]] | | [[Movie_-_Urogenital_System_3D_stage_22|Urogenital]] | ||
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{{Renal Links}} | |||
== Stage 22 Renal Annotated == | |||
{| class="prettytable" | |||
|[[File:Stage_22 image 083.jpg|160px]] E6: R,L adrenal glands under diaphragm. | |||
[[File:Stage_22 image 084.jpg|160px]] E7: Large adrenal glands. Inferior vena cava. Thoracic aorta. | |||
| [[File:Stage_22 image 085.jpg|160px]] | |||
| [[File:Stage_22 image 086.jpg|160px]] | |||
| [[File:Stage_22 image 087.jpg|160px]] | |||
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| Fl: Adrenal glands. R. Kidney. Autonomic ganglia (partly the adrenal medulla precursors). | |||
| F2: Kidneys (note retroperitoneal location). Cortex. Medulla. L. Adrenal gland. Superior mesenteric artery. Inferior vena cava. | |||
| F3: R testis (note its location relative to the R adrenal). L adrenal. R renal hilus. large channels are branches of ureteric tree. | |||
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| [[File:Stage_22 image 088.jpg|160px]] | |||
| [[File:Stage_22 image 089.jpg|160px]] | |||
| [[File:Stage_22 image 090.jpg|160px]] | |||
| [[File:Stage_22 image 091.jpg|160px]] | |||
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| F4: R kidney and R ureter. Inferior vena cava. L. kidney, L renal hilus and L ureter. R testis with R mesonephric duct (precursor of vas deferens). L testis. Umbilical arteries passing into umbilical cord allantois between them. | |||
| F5: Kidneys. Ureters. Note umbilical arteries and allantois. Also note how R testis and mesonephric structures are attached to parietal peritoneum by a mesogonad. | |||
| F6: Kidneys. Ureters. Note umbilical arteries and allantois. Also note how R testis and mesonephric structures are attached to parietal peritoneum by a mesogonad. | |||
| F7: In F7, (dorsal to R testis and liver) note with the distinct lumen of the mesonephric duct, almost solid column of paramesonephric cells and remnants of mesonephric tubules. "mesogonad". Ureters. Bladder with submucosa and detrusor muscle. Umbilical arteries. Division of aorta. | |||
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| [[File:Stage_22 image 092.jpg|160px]] | |||
| [[File:Stage_22 image 093.jpg|160px]] | |||
| [[File:Stage_22 image 094.jpg|160px]] | |||
| [[File:Stage_22 image 095.jpg|160px]] | |||
|- | |||
| G1: Ureters, Bladder. Umbilical arteries. Testis with remains of mesonephros (dorsal), mesonephric duct and paramesonephric cells. Sigmoid colon and mesocolon. | |||
| G2: Ureters being displaced ventrally, crossing common iliac arteries. Sigmoid colon. Bladder. Mesonephric ducts (lateral) and paramesonephric ducts (smaller, medial) located dorsal to bladder. | |||
| G3: Ureters (cut twice): descending dorsal to bladder and ascending ventrally to enter the bladder at trigone, through the submucosa). Fusion of paramesonephric ducts. Paired mesonephric ducts. Umbilical arteries looping off common iliac arteries. Pubic symphysis. Colon. | |||
| G4: Most caudal part of loop of ureters. Urethra emerging from bladder. Mesonephric ducts. Rectocolic junction. | |||
|- | |||
| [[File:Stage_22 image 096.jpg|160px]] | |||
| [[File:Stage_22 image 097.jpg|160px]] | |||
| [[File:Stage_22 image 098.jpg|160px]] | |||
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| G5: Urethra (in region of future prostate gland - note crescentic shape). Rectum. Rectovesical pouch. Between G4 and G5, each mesonephric duct (vas deferens) has joined the prostatic urethra (caudal to the ureters), thereby increasing the caliber of the latter. | |||
| G6: Penile urethra, emerging inferiorly to the glans penis. Scrotal swellings (appear before testis descends). | |||
| G7: Penile urethra, emerging inferiorly to the glans penis. Scrotal swellings (appear before testis descends). | |||
| '''Note F7 MS term:''' ''"inebriated Puffin" ''(dorsal to R testis and liver) lumen of the mesonephric duct (eye), almost solid column of paramesonephric cells (beak) and remnants of mesonephric tubules (body). | |||
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==Stage 22== | ==Stage 22== | ||
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{{Renal terms}} | |||
{{ | {{Glossary}} | ||
{{ | {{Footer}} | ||
[[Category:Renal]] [[Category:Carnegie Stage 22]] | [[Category:Renal]] [[Category:Carnegie Stage 22]] |
Latest revision as of 04:05, 12 May 2020
Embryology - 19 Apr 2024 Expand to Translate |
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Introduction
Movies - Embryo Carnegie stage 22 - This embryo animation rotates and show the relative position of internal renal system structures at the end of embryonic development. Compare these with the earlier stage 13 embryo.
The movies are based upon reconstruction of serial slice images shown below. | |
Urogenital |
Stage 22 Renal Annotated
E6: R,L adrenal glands under diaphragm.
E7: Large adrenal glands. Inferior vena cava. Thoracic aorta. |
|||
Fl: Adrenal glands. R. Kidney. Autonomic ganglia (partly the adrenal medulla precursors). | F2: Kidneys (note retroperitoneal location). Cortex. Medulla. L. Adrenal gland. Superior mesenteric artery. Inferior vena cava. | F3: R testis (note its location relative to the R adrenal). L adrenal. R renal hilus. large channels are branches of ureteric tree. | |
F4: R kidney and R ureter. Inferior vena cava. L. kidney, L renal hilus and L ureter. R testis with R mesonephric duct (precursor of vas deferens). L testis. Umbilical arteries passing into umbilical cord allantois between them. | F5: Kidneys. Ureters. Note umbilical arteries and allantois. Also note how R testis and mesonephric structures are attached to parietal peritoneum by a mesogonad. | F6: Kidneys. Ureters. Note umbilical arteries and allantois. Also note how R testis and mesonephric structures are attached to parietal peritoneum by a mesogonad. | F7: In F7, (dorsal to R testis and liver) note with the distinct lumen of the mesonephric duct, almost solid column of paramesonephric cells and remnants of mesonephric tubules. "mesogonad". Ureters. Bladder with submucosa and detrusor muscle. Umbilical arteries. Division of aorta. |
G1: Ureters, Bladder. Umbilical arteries. Testis with remains of mesonephros (dorsal), mesonephric duct and paramesonephric cells. Sigmoid colon and mesocolon. | G2: Ureters being displaced ventrally, crossing common iliac arteries. Sigmoid colon. Bladder. Mesonephric ducts (lateral) and paramesonephric ducts (smaller, medial) located dorsal to bladder. | G3: Ureters (cut twice): descending dorsal to bladder and ascending ventrally to enter the bladder at trigone, through the submucosa). Fusion of paramesonephric ducts. Paired mesonephric ducts. Umbilical arteries looping off common iliac arteries. Pubic symphysis. Colon. | G4: Most caudal part of loop of ureters. Urethra emerging from bladder. Mesonephric ducts. Rectocolic junction. |
G5: Urethra (in region of future prostate gland - note crescentic shape). Rectum. Rectovesical pouch. Between G4 and G5, each mesonephric duct (vas deferens) has joined the prostatic urethra (caudal to the ureters), thereby increasing the caliber of the latter. | G6: Penile urethra, emerging inferiorly to the glans penis. Scrotal swellings (appear before testis descends). | G7: Penile urethra, emerging inferiorly to the glans penis. Scrotal swellings (appear before testis descends). | Note F7 MS term: "inebriated Puffin" (dorsal to R testis and liver) lumen of the mesonephric duct (eye), almost solid column of paramesonephric cells (beak) and remnants of mesonephric tubules (body). |
Stage 22
F1L | F2L | F3L | F4L | F5L | F6L | F7L |
G1L | G2L | G3L | G4L | G5L | G6L | G7L |
Stage 22 Selected
F4 kidney | F5 renal pelvis | F6 nephron | F7 gonad | |||
G1 ureter | G2 mesonephros | G3 testis | G4 rete tesits | G5 urogenital | G6 urogenital | G7 urogenital |
Renal Terms | ||
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Glossary Links
- Glossary: A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | Numbers | Symbols | Term Link
Cite this page: Hill, M.A. (2024, April 19) Embryology Renal System - Carnegie Stage 22. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Renal_System_-_Carnegie_Stage_22
- © Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G