Respiratory System - Carnegie Stage 22: Difference between revisions
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! Name | ! Name | ||
! Description | ! Description | ||
|- | |||
| [[File:Stage_22 image 054.jpg|200px]] | |||
| [[:File:Stage_22 image 054.jpg|A5L]] | |||
| Bridge of nose. | |||
R and L olfactory bulbs from forebrain. | |||
|- | |||
| [[File:Stage_22 image 055.jpg|200px]] | |||
| [[:File:Stage_22 image 055.jpg|A6L]] | |||
| Nose. Nasal septum. Nasal capsule. | |||
Olfactory epithelium lining roof of nasal cavity. | |||
Orbital part of the developing sphenoid bone (intramembranous ossification). | |||
|- | |||
| [[File:Stage_22 image 056.jpg|200px]] | |||
| [[:File:Stage_22 image 056.jpg|A7L]] | |||
| Conchae. Nasal capsule and septum. | |||
|- | |||
|- | |||
| [[File:Stage_22 image 057.jpg|200px]] | |||
| [[:File:Stage_22 image 057.jpg|B1L]] | |||
| Conchae. Optic nerve. | |||
|- | |||
| [[File:Stage_22 image 058.jpg|200px]] | |||
| [[:File:Stage_22 image 058.jpg|B2L]] | |||
| Description | |||
|- | |||
| [[File:Stage_22 image 059.jpg|200px]] | |||
| [[:File:Stage_22 image 059.jpg|B3L]] | |||
| Perpendicular plate of ethmoid cartilage. Adenohypophysis. Neurohypophysis. Ant. and post. walls of hypopophysial fossa. Lesser wings of sphenoid cartilage. Internal carotid arteries. | |||
|- | |||
| [[File:Stage_22 image 060.jpg|200px]] | |||
| [[:File:Stage_22 image 060.jpg|B4L]] | |||
| Dorsum of tongue. Oropharynx communicating with naso-pharynx (cf. [[:File:Stage_22 image 059.jpg|B3L]] - palatal processes not fused). | |||
|- | |||
| [[File:Stage_22 image 061.jpg|200px]] | |||
| [[:File:Stage_22 image 061.jpg|B5L]] | |||
| Tongue with palatal processes at either side. Transverse (intrinsic) muscle of tongue. | |||
Pharyngotympanic tubes. | |||
|- | |||
| [[File:Stage_22 image 062.jpg|200px]] | |||
| [[:File:Stage_22 image 062.jpg|B6L]] | |||
| Tongue with transverse muscle, genioglossus muscle (medial) and hyoglossus muscle (lateral). | |||
Palatal processes. | |||
Meckel's cartilage. Note teeth enamel organs (dark masses at sides of tongue attachment). | |||
|- | |||
| [[File:Stage_22 image 063.jpg|200px]] | |||
| [[:File:Stage_22 image 063.jpg|B7L]] | |||
| Transverse caudal pharynx. epiglottis. Hyoid musculature. Pharyngeal constrictor muscle. Submandibular gland. | |||
|- | |||
|- | |||
| [[File:Stage_22 image 064.jpg|200px]] | |||
| [[:File:Stage_22 image 064.jpg|C1L]] | |||
| Pharynx. Pharyngeal constrictor muscle. laryngeal caecum (ventral). Arytenoid swellings in contact. | |||
Thyroid cartilage laminae (anterolateral), with superior horns (posterolateral). Hyoid cartilage. Internal jugular veins. | |||
"Muz's cheshire cat" | |||
|- | |||
| [[File:Stage_22 image 065.jpg|200px]] | |||
| [[:File:Stage_22 image 065.jpg|C2L]] | |||
| Pharynx. Thyroid cartilage. Smaller laryngeal caecum (cf.C1). Carotid neurovascular bundle. | |||
|- | |- | ||
| [[File:Stage_22 image 066.jpg|200px]] | | [[File:Stage_22 image 066.jpg|200px]] | ||
| [[:File:Stage_22 image 066.jpg|C3L]] | | [[:File:Stage_22 image 066.jpg|C3L]] | ||
| | | Pharynx with its inferior constrictor muscle. Glottis region. | ||
|- | |- | ||
| [[File:Stage_22 image 067.jpg|200px]] | | [[File:Stage_22 image 067.jpg|200px]] | ||
| [[:File:Stage_22 image 067.jpg|C4L]] | | [[:File:Stage_22 image 067.jpg|C4L]] | ||
| | | Oesophagus with muscle layer and trachea with thyroid gland laterally. | ||
Common carotid arteries. Vagus nerve. Internal jugular veins. | |||
(Section damaged) | |||
|- | |- | ||
| [[File:Stage_22 image 068.jpg|200px]] | | [[File:Stage_22 image 068.jpg|200px]] | ||
| [[:File:Stage_22 image 068.jpg|C5L]] | | [[:File:Stage_22 image 068.jpg|C5L]] | ||
| | | Oesophagus, smaller than in C4. Trachea. | ||
Thyroid gland (isthmus). Clavicle. Small dark masses near posterolateral borders of thyroid gland are the parathyroid glands from the caudal part of 3rd pharyngeal pouch. | |||
|- | |- | ||
| [[File:Stage_22 image 069.jpg|200px]] | | [[File:Stage_22 image 069.jpg|200px]] | ||
| [[:File:Stage_22 image 069.jpg|C6L]] | | [[:File:Stage_22 image 069.jpg|C6L]] | ||
| | | Trachea. | ||
Clavicles. Dark connecting stalk between parathyroid gland and thymus (rostral end of 3rd pharyngeal pouch). | |||
Common carotid artery. | |||
|- | |- | ||
| [[File:Stage_22 image 070.jpg|200px]] | | [[File:Stage_22 image 070.jpg|200px]] | ||
| [[:File:Stage_22 image 070.jpg|C7L]] | | [[:File:Stage_22 image 070.jpg|C7L]] | ||
| | | Trachea. | ||
Oesphagus. Apex of R lung in pleural cavity | |||
Sternum. Thymus gland. L brachiocephalic vein. Brachiocephalic trunk. | |||
|- | |- | ||
Line 42: | Line 135: | ||
| [[File:Stage_22 image 071.jpg|200px]] | | [[File:Stage_22 image 071.jpg|200px]] | ||
| [[:File:Stage_22 image 071.jpg|D1L]] | | [[:File:Stage_22 image 071.jpg|D1L]] | ||
| | | Lungs. Visceral and parietal pleurae. Pleural cavities. | ||
Sternum. Thymus. | |||
Other contents of superior mediastinum. | |||
|- | |- | ||
| [[File:Stage_22 image 072.jpg|200px]] | | [[File:Stage_22 image 072.jpg|200px]] | ||
| [[:File:Stage_22 image 072.jpg|D2L]] | | [[:File:Stage_22 image 072.jpg|D2L]] | ||
| | | | ||
|- | |- | ||
| [[File:Stage_22 image 073.jpg|200px]] | | [[File:Stage_22 image 073.jpg|200px]] | ||
| [[:File:Stage_22 image 073.jpg|D3L]] | | [[:File:Stage_22 image 073.jpg|D3L]] | ||
| | | Tracheal bifurcation. | ||
|- | |- | ||
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|- | |- | ||
|} | |} | ||
==All Sections== | ==All Sections== | ||
{| | {| |
Revision as of 12:07, 24 August 2010
Introduction
The individual serial slices have also been incorporated into a 3D model of this embryo. |
Section | Name | Description |
---|---|---|
A5L | Bridge of nose.
R and L olfactory bulbs from forebrain. | |
A6L | Nose. Nasal septum. Nasal capsule.
Olfactory epithelium lining roof of nasal cavity. Orbital part of the developing sphenoid bone (intramembranous ossification). | |
A7L | Conchae. Nasal capsule and septum. | |
B1L | Conchae. Optic nerve. | |
B2L | Description | |
B3L | Perpendicular plate of ethmoid cartilage. Adenohypophysis. Neurohypophysis. Ant. and post. walls of hypopophysial fossa. Lesser wings of sphenoid cartilage. Internal carotid arteries. | |
B4L | Dorsum of tongue. Oropharynx communicating with naso-pharynx (cf. B3L - palatal processes not fused). | |
B5L | Tongue with palatal processes at either side. Transverse (intrinsic) muscle of tongue.
Pharyngotympanic tubes. | |
B6L | Tongue with transverse muscle, genioglossus muscle (medial) and hyoglossus muscle (lateral).
Palatal processes. Meckel's cartilage. Note teeth enamel organs (dark masses at sides of tongue attachment). | |
B7L | Transverse caudal pharynx. epiglottis. Hyoid musculature. Pharyngeal constrictor muscle. Submandibular gland. | |
C1L | Pharynx. Pharyngeal constrictor muscle. laryngeal caecum (ventral). Arytenoid swellings in contact.
Thyroid cartilage laminae (anterolateral), with superior horns (posterolateral). Hyoid cartilage. Internal jugular veins. "Muz's cheshire cat" | |
C2L | Pharynx. Thyroid cartilage. Smaller laryngeal caecum (cf.C1). Carotid neurovascular bundle. | |
C3L | Pharynx with its inferior constrictor muscle. Glottis region. | |
C4L | Oesophagus with muscle layer and trachea with thyroid gland laterally.
Common carotid arteries. Vagus nerve. Internal jugular veins. (Section damaged) | |
C5L | Oesophagus, smaller than in C4. Trachea.
Thyroid gland (isthmus). Clavicle. Small dark masses near posterolateral borders of thyroid gland are the parathyroid glands from the caudal part of 3rd pharyngeal pouch. | |
C6L | Trachea.
Clavicles. Dark connecting stalk between parathyroid gland and thymus (rostral end of 3rd pharyngeal pouch). Common carotid artery. | |
C7L | Trachea.
Oesphagus. Apex of R lung in pleural cavity Sternum. Thymus gland. L brachiocephalic vein. Brachiocephalic trunk. | |
D1L | Lungs. Visceral and parietal pleurae. Pleural cavities.
Sternum. Thymus. Other contents of superior mediastinum. | |
D2L | ||
D3L | Tracheal bifurcation. | |
D4L | Description | |
D5L | Description | |
D6L | Description | |
D7L | Description | |
E1L | Description | |
E2L | Description | |
E3L | Description | |
E4L | Description | |
E5L | Description |
All Sections
A1L | A2L | A3L | A4L | A5L | A6L | A7L |
B1L | B2L | B3L | B4L | B5L | B6L | B7L |
C1L | C2L | C3L | C4L | C5L | C6L | C7L |
D1L | D2L | D3L | D4L | D5L | D6L | D7L |
E1L | E2L | E3L | E4L | E5L | E6L | E7L |
F1L | F2L | F3L | F4L | F5L | F6L | F7L |
G1L | G2L | G3L | G4L | G5L | G6L | G7L |
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, March 29) Embryology Respiratory System - Carnegie Stage 22. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Respiratory_System_-_Carnegie_Stage_22
- © Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G