Development

Question 1

What structures derive from the ectoderm? What is the acronym?

Answer 1

Acronym: RILNET
Retina
Inner ear
Lining of nose, mouth, and anus
Nervous system
Epidermis
Tooth enamel

Question 2

What structures derive from the mesoderm? What is the acronym?

Answer 2

Acronym: MD BRCK
Muscles
Dermis
Blood and blood vessels
Reproductive organs
Connective tissue and cartilage
Kidneys

Question 3

What structures derive from the endoderm? What is our acronym?

Answer 3

Acronym: LUTE LLP
Lungs
Urinary bladder
Thyroid, parathyroid, thymus
Endocrine system
Lining of GI tract
Liver
Pancreas

Question 4

What structure does the chordamesoderm differentiate into?

Answer 4

the notochord

Question 5

What structure derives the dermis, musculature of the back, ribs, and limbs?

Answer 5

the dermomyotome

Question 6

What structure derives into the bones of skull and vertebrae?

Answer 6

sclerotome

Question 7

What structure dervies into the muscle surrounding the GI tract?

Answer 7

Splanchnic mesoderm

Question 8

What structures derive into the muscles of the body wall?

Answer 8

Somatic mesoderm

Question 9

What structure becomes the kidney’s and gonads?

Answer 9

Intermediate mesoderm

Question 10

What cells and tissues derive from neural crest cells?

Answer 10

sensory neurons, schwann cells, melanocytes, adrenal medullary cells, cranial cartilage and bones cells.