|
|
| Line 1: |
Line 1: |
| ==Stage 13==
| |
|
| |
|
| {|
| |
| |-
| |
| | [[File:Stage 13 image 057.jpg|160px]]
| |
| | [[File:Stage 13 image 058.jpg|160px]]
| |
| | [[File:Stage 13 image 059.jpg|160px]]
| |
| | [[File:Stage 13 image 098.jpg|160px]]
| |
| |-
| |
| | [[:File:Stage 13 image 057.jpg|B1L]] Dorsal portion of hypopharyngeal eminence. Rathke's pouch derived from ectoderm anterior to the buccopharyngeal membrane ( rudimentary adenohypophysis).
| |
| | [[:File:Stage 13 image 058.jpg|B2L]] Dorsal portion of hypopharyngeal eminence. Rathke's pouch derived from ectoderm anterior to the buccopharyngeal membrane ( rudimentary adenohypophysis).
| |
| | [[:File:Stage 13 image 059.jpg|B3L]] Rudimentary thyroid ventral to aortic sac (also seen in B2, ventral to the hypopharyngeal eminence).
| |
| | [[:File:Stage 13 image 098.jpg|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==
| |
|
| |
| {|
| |
| |+'''[[Carnegie stage_22 - serial sections|Stage 22L]]''' ''serial labeled images''
| |
| | [[File:Stage_22 image 055.jpg|120px]]
| |
| | [[:File:Stage_22 image 055.jpg|A6L]] Thalamus/hypothalamus.
| |
| |-
| |
| | [[File:Stage_22 image 058.jpg|120px]]
| |
| | [[:File:Stage_22 image 058.jpg|B2L]] Neurohyophysis and adenohypophysis. Remnant of Rathke's pouch (residual lumen) in adenohypophysis
| |
| |-
| |
| | [[File:Stage_22 image 059.jpg|120px]]
| |
| | [[:File:Stage_22 image 059.jpg|B3L]] Adenohypophysis.
| |
| |-
| |
| | [[File:Stage_22 image 066.jpg|120px]]
| |
| | [[:File:Stage_22 image 066.jpg|C3L]] Glottic region with cricoid cartilage and descending process of thyroid cartilage laterally.
| |
| |-
| |
| | [[File:Stage_22 image 067.jpg|120px]]
| |
| | [[:File:Stage_22 image 067.jpg|C4L]] Section damaged, but shows thyroid gland lateral to trachea.
| |
| |-
| |
| | [[File:Stage_22 image 068.jpg|120px]]
| |
| | [[:File:Stage_22 image 068.jpg|C5L]] Thyroid gland.
| |
| |-
| |
| | [[File:Stage_22 image 071.jpg|120px]]
| |
| | [[:File:Stage_22 image 071.jpg|D1L]] Thymus gland.
| |
| |-
| |
| | [[File:Stage_22 image 083.jpg|120px]]
| |
| | [[:File:Stage_22 image 083.jpg|E6L]] R,L adrenal glands under diaphragm
| |
| |-
| |
| | [[File:Stage_22 image 084.jpg|120px]]
| |
| | [[:File:Stage_22 image 084.jpg|E7L]] Large adrenal glands.
| |
| |-
| |
| | [[File:Stage_22 image 085.jpg|120px]]
| |
| | [[:File:Stage_22 image 085.jpg|F1L]] Adrenal glands. R. Kidney. Autonomic ganglia (partly the adrenal medulla precursors).
| |
| |-
| |
| | [[File:Stage_22 image 086.jpg|120px]]
| |
| | [[:File:Stage_22 image 086.jpg|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==
| |
|
| |
| {|
| |
| | [[File:Stage 22 image 156.jpg|120px]]
| |
| | [[:File:Stage 22 image 156.jpg|A7 CN5 and endocrine]]
| |
| |-
| |
| | [[File:Stage 22 image 158.jpg|120px]]
| |
| | [[:File:Stage 22 image 158.jpg|B2 pituitary]]
| |
| |-
| |
| | [[File:Stage 22 image 165.jpg|120px]]
| |
| | [[: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|120px]]
| |
| | [[:File:Stage 22 image 166.jpg|C3 trachea and thyroid]] Thyroid gland.
| |
| |-
| |
| | [[File:Stage 22 image 168.jpg|120px]]
| |
| | [[: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|120px]]
| |
| | [[:File:Stage 22 image 169.jpg|C6 thymus]] Thymus gland.
| |
| |-
| |
| | [[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.
| |
| |-
| |
| | [[File:Stage 22 image 187.jpg|120px]]
| |
| | [[: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.
| |
| |-
| |
| |}
| |
