Talk:2010 Lab 10: Difference between revisions
From Embryology
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==Stage 22 Embryo (Human) Selected High power== | ==Stage 22 Embryo (Human) Selected High power== | ||
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| [[File:Stage 22 image 156.jpg|120px]] | |||
| [[:File:Stage 22 image 156.jpg|A7 CN5 and endocrine]] | |||
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| [[File:Stage 22 image 158.jpg|120px]] | |||
| [[:File:Stage 22 image 158.jpg|B2 pituitary]] | |||
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| [[File:Stage 22 image 165.jpg|120px]] | |||
C2 | | [[:File:Stage 22 image 165.jpg|C2 pharynx]] Overview of embryo (stage 22) neck region where high power sections is from in C3. Thyroid gland at top of image lying anterior and extending lateral to the trachea. | ||
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C3 | | [[File:Stage 22 image 166.jpg|120px]] | ||
| [[:File:Stage 22 image 166.jpg|C3 trachea and thyroid]] Thyroid gland. | |||
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| [[File:Stage 22 image 168.jpg|120px]] | |||
C5 | | [[:File:Stage 22 image 168.jpg|C5 thorax]] Overview of embryo (stage 22) chest region where high power sections is from in C6. Thymus gland at top of image anterior to section through aortic arch. | ||
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C6 | | [[File:Stage 22 image 169.jpg|120px]] | ||
| [[:File:Stage 22 image 169.jpg|C6 thymus]] Thymus gland. | |||
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| [[File:Stage 22 image 183.jpg|120px]] | |||
| [[:File:Stage 22 image 183.jpg|E6 gastrointestinal]] Overview of embryo (stage 22) at the level of the liver where adrenals are seen. | |||
E6 | |- | ||
| [[File:Stage 22 image 187.jpg|120px]] | |||
F3 | | [[:File:Stage 22 image 187.jpg|F3 adrenal gland]] Fetal and permanent adrenal cortex. The medulla of the adrenal gland is of neural crest origin and it is not yet encapsulated by the cortex. | ||
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Revision as of 15:42, 6 October 2010
Stage 13
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B1L Dorsal portion of hypopharyngeal eminence. Rathke's pouch derived from ectoderm anterior to the buccopharyngeal membrane ( rudimentary adenohypophysis). | B2L Dorsal portion of hypopharyngeal eminence. Rathke's pouch derived from ectoderm anterior to the buccopharyngeal membrane ( rudimentary adenohypophysis). | B3L Rudimentary thyroid ventral to aortic sac (also seen in B2, ventral to the hypopharyngeal eminence). | G7L (Close to midline in head region). Forebrain, midbrain, hindbrain (with thin roof). Arrowed Rathke's pouch. Floor of pharynx with foramen caecum (the tongue has not yet formed). |
Stage 22
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A6L Thalamus/hypothalamus. |
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B2L Neurohyophysis and adenohypophysis. Remnant of Rathke's pouch (residual lumen) in adenohypophysis |
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B3L Adenohypophysis. |
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C3L Glottic region with cricoid cartilage and descending process of thyroid cartilage laterally. |
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C4L Section damaged, but shows thyroid gland lateral to trachea. |
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C5L Thyroid gland. |
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D1L Thymus gland. |
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E6L R,L adrenal glands under diaphragm |
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E7L Large adrenal glands. |
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F1L Adrenal glands. R. Kidney. Autonomic ganglia (partly the adrenal medulla precursors). |
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F2L Kidneys (note retroperitoneal location). Cortex. Medulla. L. Adrenal gland. |
List of serial section images containing endocrine components.
A6: Thalamus/hypothalamus.
B2: Neurohyophysis and adenohypophysis. Remnant of Rathke's pouch (residual lumen) in adenohypophysis.
B3: Adenohypophysis.
C3: Glottic region with cricoid cartilage and descending process of thyroid cartilage laterally.
C4: Section damaged, but shows thyroid gland lateral to trachea.
C5: Thyroidgland.
Dl: Thymus gland.
E6: R,L adrenal glands under diaphragm.
E7: Large adrenal glands.
Fl: Adrenal glands. R. Kidney. Autonomic ganglia (partly the adrenal medulla precursors).
F2: Kidneys (note retroperitoneal location). Cortex. Medulla. L. Adrenal gland.
Stage 22 Embryo (Human) Selected High power
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A7 CN5 and endocrine |
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B2 pituitary |
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C2 pharynx Overview of embryo (stage 22) neck region where high power sections is from in C3. Thyroid gland at top of image lying anterior and extending lateral to the trachea. |
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C3 trachea and thyroid Thyroid gland. |
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C5 thorax Overview of embryo (stage 22) chest region where high power sections is from in C6. Thymus gland at top of image anterior to section through aortic arch. |
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C6 thymus Thymus gland. |
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E6 gastrointestinal Overview of embryo (stage 22) at the level of the liver where adrenals are seen. |
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F3 adrenal gland Fetal and permanent adrenal cortex. The medulla of the adrenal gland is of neural crest origin and it is not yet encapsulated by the cortex. |