2010 Lab 10: Difference between revisions

Revision as of 15:43, 6 October 2010

Endocrine

Stage 13


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

**Stage 22L** *serial labeled images*
	A6L Thalamus/hypothalamus.
	B2L Neurohyophysis and adenohypophysis. Remnant of Rathke's pouch (residual lumen) in adenohypophysis
	B3L Adenohypophysis.
	C3L Glottic region with cricoid cartilage and descending process of thyroid cartilage laterally.
	C4L Section damaged, but shows thyroid gland lateral to trachea.
	C5L Thyroid gland.
	D1L Thymus gland.
	E6L R,L adrenal glands under diaphragm
	E7L Large adrenal glands.
	F1L Adrenal glands. R. Kidney. Autonomic ganglia (partly the adrenal medulla precursors).
	F2L Kidneys (note retroperitoneal location). Cortex. Medulla. L. Adrenal gland.

Stage 22 Selected

Stage 22 Embryo (Human) Selected High power

	A7 CN5 and endocrine
	B2 pituitary
	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.
	C3 trachea and thyroid Thyroid gland.
	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.
	C6 thymus Thymus gland.
	E6 gastrointestinal Overview of embryo (stage 22) at the level of the liver where adrenals are seen.
	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.

Glossary Links

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Course Content 2010

Cite this page: Hill, M.A. (2024, April 16) Embryology 2010 Lab 10. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/2010_Lab_10

What Links Here?

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+==Stage 22==
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+==Stage 22 Selected==
+==Stage 22 Embryo (Human) Selected High power==
+{|
+| [[File:Stage 22 image 156.jpg|160px]]
+| [[:File:Stage 22 image 156.jpg|A7 CN5 and endocrine]]
+|-
+| [[File:Stage 22 image 158.jpg|160px]]
+| [[:File:Stage 22 image 158.jpg|B2 pituitary]]
+|-
+| [[File:Stage 22 image 165.jpg|160px]]
+| [[: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.
+|-
+| [[File:Stage 22 image 166.jpg|160px]]
+| [[:File:Stage 22 image 166.jpg|C3 trachea and thyroid]] Thyroid gland.
+|-
+| [[File:Stage 22 image 168.jpg|160px]]
+| [[: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.
+|-
+| [[File:Stage 22 image 169.jpg|160px]]
+| [[:File:Stage 22 image 169.jpg|C6 thymus]] Thymus gland.
+|-
+| [[File:Stage 22 image 183.jpg|160px]]
+| [[:File:Stage 22 image 183.jpg|E6 gastrointestinal]] Overview of embryo (stage 22) at the level of the liver where adrenals are seen.
+|-
+| [[File:Stage 22 image 187.jpg|160px]]
+| [[: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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