Week 3 Images

Question 1

Name the structures:

Answer 1

1. Morula
2. Amniotic Cavity
3. Lacunae
4. Bilaminar Disc
5. Primary Yolk Sac
6. Cytotrophoblast
7. Amnion
8. Closing Plug
9. Primary Yolk Sac

Question 2

Name the structures:

Answer 2

1. Blastocyst (early)
2. Blastocyst (late)
3. Billaminar Disc
4. Extraembryonic coelom
5. Primary villi
6. Connecting Stalk
7. Amnion
8. Embryonic Disc
9. Precordal Plate

Question 3

Name the stuctures:

Answer 3

1. Cranial
2. Caudal
3. Amnion
4. Neural Plate
5. Primitive Node
6. Primitive Streak

Question 4

Name the structures:

Answer 4

1. Cranial
2. Caudal
3. Neural Fold
4. Amnion
5. Neural Groove
6. Somite
7. Primitive Streak

Question 5

Name the structures:

Answer 5

1. Dorsal
2. Ventral
3. Cranial
4. Caudal
5. Connecting Stalk
6. Primitive pit and Neurenteric canal
7. Amnion
8. Wall of yolk sac
9. Buccopharyngeal membrane
10. Prechordal mesoderm
11. Notochord
12. Cloacal membrane
13. Allantois

Question 6

Name the structures:

Answer 6

1. Neural goorve
2. Neural fold
3. Closed neural tube
4. Closing gut tube

Question 7

Name the structures:

Answer 7

Neural Fold1.

2. Precardial bulge
3. Otic placode (ears)
4. Somite
5. Amnion
6. Anterior neuropore
7. Posterior neuropore

Question 8

Name the structures:

Answer 8

1. Connection with yolk sac
2. Amnion
3. Precardial bulge
4. Anterior neuropore
5. 1st and 2nd pharyngeal arches (pharynx)
6. Posterior neuropore
7. Allantois
8. Umbilical cord
9. Vitelline duct
10. Heart bulge
11. Lens placode
12. Otic placode
13. Pharyngeal arches
14. Limb ridge

Question 9

Name the structures:

Answer 9

1. Melanocytes
2. Dorsal root ganglia
3. Dermamyotome
4. Chain ganglia
5. Chromaffin cells of adrenal medulla
6. Preaortic ganglia
7. Enteric ganglia
8. Dorsal ganglia

Question 10

Name the sturctures:

Answer 10

1. Somite
2. Intermediate mesoderm
3. Somite 1-7
4. Somites
5. Somitomeres
6. Intermediate mesoderm
7. Notochord
8. Caudal eminence

Question 11

Name the structures:

Answer 11

1. Amnion
2. Neural groove
3. Parietal mesoderm layer
4. Visceral mesoderm layer
5. Endoderm
6. Endoderm
7. Intraembryonic body cavity
8. Intermediate mesoderm
9. Somite

Question 12

Name the structures:

Answer 12

1. Buccopharyngel membrane
2. Angiogenic cell cluster (heart)
3. Ectoderm
4. Endoderm
5. Amniotic Cavity
6. Connective Stalk
7. Allantois
8. Cloacal membrane
9. Precardial cavity
10. Heart Tube
11. Foregut
12. Hindgut

Question 13

Name the structures:

Answer 13

1. Heart Tube
2. Buccopharyngel membrane
3. Cloacal membrane
4. Lung bud
5. Remnant of the buccopharyngeal membrane

(Not shown) Vitelline duct

6. Yolk Sac
7. Allantois
8. Midgut
9. Liver bud

Question 14

Answer 14

1. Neural tube & crest
2. Paraxial mesoderm
3. Intermediate mesoderm
4. Lateral mesoderm that has two arms
5. Somatic lateral mesoderm
6. Splanchnic lateral mesoderm
7. Embryonic coelom
8. Ectoderm
9. Endoderm tube
10. Yolk Sac

Question 15

Name the structures:

Answer 15

1. Stomodeum
2. Liver
3. Gallbladder
4. Vitelline duct
5. Allantois
6. Cloaca
7. Hindgut
8. Primitive intestinal loop
9. Pancreas
10. Stomach
11. Lung bud
12. Pharyngeal gut
13. Hearth bulge
14. Urinary bladder
15. Cloacal membrane