Development Of The Muscular System (EMB)

Question 1

Myotome gives rise to what

Answer 1

All muscles within the body

Question 2

SHH causes what

Answer 2

Nerual chord to form

Question 3

Cells that give rise to bone are from what

Answer 3

Scleotome

Question 4

What is mesenchyme and what does it give rise to

Answer 4

Embryonic connective tissue

Gives rise to hyaline cartilage and intramembranous ossification

Question 5

What is intramembranous ossification

Answer 5

Mesenchyme forms to bone

Question 6

What is endochondral ossification

Answer 6

Mesenchyme to hyaline cartilage to bone

Question 7

What does endochondral ossification give rise to

Answer 7

Long bones, pelvic gurdle

Question 8

Caudal dense and cephalic loose come together to form what

Answer 8

A vertebra

Question 9

Spinal chrod gives rise to what

Answer 9

Motor neurons

Question 10

Superior aspect of vertebra comes from what

Answer 10

Caudal dense part

Question 11

Inferior aspect of vertebral column comes from what

Answer 11

Cephalic loose part

Question 12

The nucleus pulposus comes from what

Answer 12

The notochord

Question 13

The annulus firbosis comes from what

Answer 13

Cells of the sclerotome

Question 14

Ribs come from what

Answer 14

Sclerotome

Question 15

Ribs grow from what

Answer 15

Costal processes

Question 16

Sternum comes from what

Answer 16

Somatic plate of lateral mesoderm

Question 17

What is pectus excavatum

Answer 17

Diagnosed in 1st year of life

Can shift heart

Patients have dyspnea and exercise intolerance

Question 18

What are hox genes

Answer 18

Create cranio-caudal axis

Question 19

What is gain of function called and what happens

Answer 19

Caudalization with expression of genes where they should not be

Question 20

What is loss of function called

Answer 20

Cranialization

Vertebra look like ones above