Embryo Vertebrae Flashcards
The intraembryonic mesdoderm is Located between Ectoderm & Endoderm EXCEPT in
in the central
axis of embryo where NOTOCHORD is found.
The intervertebral disc is formed by
Mesenchymal cells
What forms the nucleus pulposus
The notocord
In what week chondrification centers appear in each
mesenchymal vertebra.
6
In what week does the chondrification centers fuse with each other
8
Primary ossification centers appear during what week
8
As the vertebrae form, two primary curves of the spine are established:
Thoracic and sacral
Later on in postnatal life, two secondary SECONDARY
curves are established:
Lumbar and cervical
What gene is responsible
for the proper orientation of the vertebrae in the
cranio-caudal direction
Hox
What gene is found to play an
essential role in anterior-posterior development,
the ventral neural tube and somite patterning.
Shh
Whats the name of the conginatal anomaly when two successive vertebrae fuse asymmetrically or have half a vertebra missing.
scoliosis
what anomaly is it when the cervical vertebrae are fused
causing reduced mobility
and a short neck.
Klippel-feil syndrome
what anomalies are related to vertebral bodies
S coliosis
Klippel–Feil Syndrome
T or f
Spina bifida is a Congenital Anomaly related to Vertebral Arch
T
Mesoderm differentiates into
Paraxial mesoderm
Intermidiate mesoderm
Lateral mesoderm
