Devo Of Vertebral Column, Ribs And Sternum

Front 1

Precusor tissue for the vertebrae development

Back 1

Scleratome Mesenchyme; from the ventralmedial portion of the somite (Shh and noggin)

Front 2

The first 4-5 somites are called what?

Back 2

Occipital Somites

Front 3

What due the ventromedial somite cells express

Back 3

Pax1 and Pax9

Front 4

Somitocoel Cells

Back 4

Cells located in the cavity of the somite also become part of the scleratome; Crainal half are loosely arranged while the caudal half are tightly packed

Front 5

Regeneration

Back 5

Cranial and Caudal halves of somites merge with the caudal half of the next adjacent somite

Front 6

Cells in the Central Scleratome Compartment form?

Back 6

Pedicle and prox rib

Front 7

Cells in the ventral Scleratome Compartment form?

Back 7

Vertebral body and IV disc

Front 8

Cells in the Dorsal Scleratome Compartment form?

Back 8

Dorsal part of neural arch, spinous process

Front 9

Cells in the Lateral Scleratome Compartment form?

Back 9

distal rib

Front 10

Somitocoel cells in Scleratome Compartment form?

Back 10

Vertebral joints, IV disc, proximal ribs

Front 11

Anterior 1/2 of the scleratome

Back 11

Contribute to the formation of the vertebral body, as well as small parts of the neural arch and distal rib

Front 12

Posterior 1/2 of the scleratome

Back 12

Contribute to the vertebral body, transverse process, proximal rib, the main part of the distal rib and the main part of the neural arch

Front 13

Costal processes

Back 13

In the transverse section, the ribs come derive; all the other levels they become spinous processes

Front 14

Klippel-Feil Sequence

Back 14

Rare recessive disorder characterized by the presence of several fused cervical vertebrae. the neck is shortened, low nuchal hair line and limited defects and hearling loss; some have scoliosis

Front 15

Sacralization

Back 15

May occur if the 5th lumbar vertebrae is incorporated into the sacrum;

Front 16

Lumbarization

Back 16

is the fith sacral vertebra is NOT included in the sacrum

Front 17

Dysraphism

Back 17

Failure of fusion of the neural arches of vertebra

Front 18

Rachischisis

Back 18

A condition were many or all vertebrae have unfused spinous processes

Front 19

Spina bifida

Back 19

a series of conditions were one or a few adjacent vertebrae have unfused spinous processes

Front 20

Spina Bifida Occulta

Back 20

Mildest form of spina bifida and is usually asymptomatic

Front 21

Examples of malformed vertebrae

Back 21

Hemivertebrae, wedge-shaped vertebrae and unsegmented vertebral bars

Front 22

Scoliosis

Back 22

Abnormal lateral curvature of the spine

Front 23

Sternum formation

Back 23

Begins independently as cartilage bars on either side of the midline during formation of the ventral body wall in the thorax; derived from somatic mesoderm; a 2ndary segmentation occurs froming sternebrae (forms body, manubrium)

Front 24

Accessory Ribs

Back 24

from in the lumbar and cervical regions of the spone; Abnormalities such as fused and forked ribs are often asymptomatic

Front 25

Pectus Excavatum

Back 25

Depression of the sternum

Front 26

Pectus Carniatum

Back 26

Protrusion of the sternum

Front 27

Where does the sternum derive from

Back 27

Lateral plate mesoderm-->somatic mesoderm-->sternum