Please enable JavaScript.
Coggle requires JavaScript to display documents.
bone formation, SHH (sonic hedgehog)+NOGGIN from somite, NT-3 influence,…
bone formation
vertrebral column+pelvis+ribs development (4th week)
sclerotomes on notochord
notochord
wrap up notochord
perform resegementation
caudal part of upper sclerotome
centrum of vertebra
primitive vertebral body
vertebral body
1 more item...
transverse process
1 more item...
neural arch
1 more item...
costal process
1 more item...
cephalic part of lower sclerotome
notochord+messenchymal cells
nucleus pulposus (notochord)
intervertebral disk (messenchymal cells)
Skull development
somitomeres
cartilagious neurocranium
base of the skull (endochondral ossification)
petrous process/ mastoid process of temporal bone
sphenoid bpne
ethmoid bone
base of occipital bone
neural crest cells
Messenchymal cells
membraneous neurocranium
flat bones (intramembranous ossification)
sides and top of skull
parietal bone
fontanelles at border
4 more items...
sqamous part (occipital bone)
frontal bone
viserocranium
membranous viserocranium
maxillary prominence of 1st pharyngeal arch
mandible
squamous part (temporal bone)
zygomatic bone
palatine bone
maxilla
Vomer
cartilagious viserocranium
pharyngeal arches
arch 2
stapes
styloid process (temporal bone)
lesser horn of hyoid bone
arch 3
greater horn of hyoid bone
arch 1
Malleus
incus
arch 4,6
laryngeal cartilages
basics
paraxial mesoderm (day 17)
segementation
somitomeres
association with neural plate segementation at cranial region
neuromeres
mesenchyme in head
meninges caudal to prosencephalon
voluntary mescles of craniofacial region
floor of brain case
dermis in cranial region
caudual side of occipital region
Somites (total :42-44) (growth direction-cranial to caudal
cervical x8
thoracic x12
somite differentiation
epithelization (donut shape)
2 more items...
occipital x4
lumbar x5
sacral x5
cocccygeal x8-x10
limbs development
mesodermal condensation from lateral plate mesoderm
primarily endochondral ossification (week 8)
primary factor: HOXA HOXD
hind limb
factor:TBX4 + PITX1
forearm
factor:TBX5
SHH (sonic hedgehog)+NOGGIN from somite
NT-3 influence
WNT influence
example:
Upper limit of notochord
pathology:craniosynostosis (due to mutations from FGFR)
below
above
formation time: week4 (forearm earlier than lower limba
Lacrimal bone+nasal bone