MUSCULOSKELETAL SYSTEM
QUESTIONS AND THEIR EXPECTED
CORRECT ANSWERS
what turns into the epidermis
ectoderm
what turns into the dermis
mesoderm
what tissues form the skeletal system
paraxial mesoderm, parietal mesoderm, and neural crest
tissue
What does the paraxial mesoderm form?
somites, somitomeres, which differentiates into
mesenchyme
what does parietal mesoderm differentiate into
mesenchyme
what fuses to form the body wall
parietal mesoderm fuses ventrally to form the body wall
paraxial mesoderm pic
intermediate mesoderm picture
lateral plate mesoderm
the lateral plate mesoderm splits into
parietal mesoderm dorsally and visceral mesoderm
ventrally
somite is formed from
paraxial mesoderm, called somite when it begins to ball up
Somite differentiates into
, sclerotome, dermatome, myotome
dermomyotome is made up of
the ventrolateral muscle cells, dermatome, and
dorsomedial medial cells
sclerotome
ventral wall forms this
sclerotome pic
dermamyotome pic
where does somite differentiation occur
at every level
inducers of somite differentiation into sclerotome
SHH and Noggin
function of SHH and noggin
induce PAX1 in ventral portion of somite
what releases SHH and NOggin
notochord and neural tube floor plate
what releases NT3
dorsal neural tube
inducers of somite differentiation into dermatome
NT3
function of NT3
induces PAX3 in the dermatome, induces it to differentiate
into dermis
neural crest cells vulnerability
vulnerable to teratogens, can cause craniofacial birth
defects
formation of neural crest
1. neural crest differentiates from neuroectoderm
2. neural tube formed
3. neural crest tissue migrates to specialized location
what structures does paraxial mesoderm give rise to
QUESTIONS AND THEIR EXPECTED
CORRECT ANSWERS
what turns into the epidermis
ectoderm
what turns into the dermis
mesoderm
what tissues form the skeletal system
paraxial mesoderm, parietal mesoderm, and neural crest
tissue
What does the paraxial mesoderm form?
somites, somitomeres, which differentiates into
mesenchyme
what does parietal mesoderm differentiate into
mesenchyme
what fuses to form the body wall
parietal mesoderm fuses ventrally to form the body wall
paraxial mesoderm pic
intermediate mesoderm picture
lateral plate mesoderm
the lateral plate mesoderm splits into
parietal mesoderm dorsally and visceral mesoderm
ventrally
somite is formed from
paraxial mesoderm, called somite when it begins to ball up
Somite differentiates into
, sclerotome, dermatome, myotome
dermomyotome is made up of
the ventrolateral muscle cells, dermatome, and
dorsomedial medial cells
sclerotome
ventral wall forms this
sclerotome pic
dermamyotome pic
where does somite differentiation occur
at every level
inducers of somite differentiation into sclerotome
SHH and Noggin
function of SHH and noggin
induce PAX1 in ventral portion of somite
what releases SHH and NOggin
notochord and neural tube floor plate
what releases NT3
dorsal neural tube
inducers of somite differentiation into dermatome
NT3
function of NT3
induces PAX3 in the dermatome, induces it to differentiate
into dermis
neural crest cells vulnerability
vulnerable to teratogens, can cause craniofacial birth
defects
formation of neural crest
1. neural crest differentiates from neuroectoderm
2. neural tube formed
3. neural crest tissue migrates to specialized location
what structures does paraxial mesoderm give rise to
