GA2 Test 2 Embryo
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| show | Mesoderm from the 2nd, 3rd & 4th Arches
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| show | Meckels Diverticulum
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| Artery whose branches supply the derivatives of the caudal foregut | show 🗑
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| show | Superior Mesenteric Artery
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| Artery whose branches supply the derivatives of the hindgut. | show 🗑
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| Branchial arch composition of the anterior 2/3 of the tongue | show 🗑
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| Briefly describe an omphalocele. How does it occur (develop)? | show 🗑
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| show | Luminal Obliteration followed by recavitation.
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| show | Primary Intestinal Loop rotates 90 Degrees counter-clockwise around the axis of the superior mesenteric artery. Causes the cephalic limb to move to the right and the caudal limp to move to the left.
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| Discuss in detail the development of an INTERNAL branchial fistula. | show 🗑
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| show | 2nd Branchial arch grows caudally overlaping the 3&4 Branchial arches, 2nd arch fuses with Epicardial Ridge Thus, 2nd, 3rd, 4th clefts are buried forming the cervical sinus.
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| Discuss the development of the falciform ligament and lesser omentum | show 🗑
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| Discuss the rotational movements of the STOMACH. | show 🗑
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| show | Draw Diagrams
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| show | Junction of Right 2/3 and left 1/3 transverse colon
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| Explain why the right recurrent laryngeal n. loops under the right subclavian a. but the left loops under the arch of the aorta. BE SPECIFIC AND COMPLETE! | show 🗑
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| show | a) Gut Endoderm b) Mesodermal partition of septum transversum
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| show | a) regresses b) Part of Aortic Arch between left common carotid & left subclavian artery c)Common carotid arteries and proximal 1/3 of internal carotid arteries
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| show | a) Proximal Part of Subclavian Artery b) regresses
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| Give the embryonic component that forms: a) the left subclavian artery b)the portion of the right subclavian IMMEDIATELY proximal to the vertebral artery | show 🗑
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| Give the embryonic derivation of the INTERNAL carotid a. | show 🗑
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| Give two structures derived from the CAUDAL limb of the primary intestinal loop. | show 🗑
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| In detail, how does a left- sided cecum develop? | show 🗑
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| show | 180 Degrees counter-clockwise
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| show | 1. Aortic sac 2. Left 4th Arch 3. Left Dorsal Aorta
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| show | Distal 2-3 feet of ileum, cecum, ascending colon, proximal right 2/3 of transverse colon
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| show | a) No derivatives b) tonsilar fossa & palatine tonsils c)Thymus d)Posterior 1/3 of tongue
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| show | a)Superior Parathyroid b) Regresses - No Derivatives (2,3,4 can produce cervical sinus)
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| show | a) Inferior Parathyroid b) Ultimobranchial body
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| Name the ADULT derivatives of the following a) dorsal 3rd pouch b) first pouch | show 🗑
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| Name the primordium (NOT arches) responsible for each part of the tongue listed below: a) Anterior 2/3rds b) Posterior 1/3rd | show 🗑
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| show | Distal part of the duodenum, jejunum, jejunum and most of ileum
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| Name two FETAL vessels which carry highly oxygenated blood and close at birth. What adult structures do they form? | show 🗑
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| SPECIFICALLY, how does a structure become secondarily retroperitoneal? | show 🗑
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| Specifically, where does the midgut end in the adult? | show 🗑
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| Specifically, where does the hindgut end in the adult? | show 🗑
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| The brachiocephalic artery specifically develops from what embryonic component? | show 🗑
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| show | a) Proximal Part of Right Subclavian b) Regresses except for small stapedial and hyoid arteries
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| What happens to: a) 2nd aortic arch b) Distal left 6th arch | show 🗑
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| show | 6th week, due to rapid growth of cephalic limb the abdominal cavity is temporarily too small
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Created by:
brookert81
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