Quiz 6 review Flashcards
Put these tissues in order starting with the most undifferentiated:
-myogenic precursor cells
-mesenchymal cells
-myofibril
-myoblast
-mesenchymal cells
-myogenic precursor cells
-myoblast
-myofibril
The primitive heart tubes expands into 5 dilated regions, which of them becomes the future right ventricle?
bulbus cordis
Which of the following is sandwiched between the amniotic cavity and the yolk sac?
A) endoderm
B) intraembryonic mesoderm
C) extraembryonic mesoderm
D) ectoderm
B) intraembryonic mesoderm
The formation of digits from hand plates occurs via the process of…
apoptosis
The sclerotome of somites on the right and left fuse to form a ______?
centrum
Left and right bronchial buds will give rise to….
lungs
The respiratory system develops from which germ layer?
endoderm
What is the gut derivative for the ascending colon?
midgut
What is the gut derivative for the liver?
foregut
What is the gut derivative for the duodenum?
midgut
What is the gut derivative for the stomach?
foregut
What is the gut derivative for the rectum?
hindgut
What is the cranial nerve associated with the 1st pharyngeal arch?
CN V (trigeminal n.)
What is the cranial nerve associated with the 2nd pharyngeal arch?
CN VII (facial n.)
What is the cranial nerve associated with the 3rd pharyngeal arch?
CN IX (glossopharyngeal n.)
What is the cranial nerve associated with the 4th and 6th pharyngeal arch?
CN X (vagus n.)
The respiratory diverticula becomes surrounded by ______ to form the bulk of the future lung?
splanchnic mesoderm
On day 22 an outgrowth from the foregut produces the ______ ?
respiratory diverticulum
The precursor to embryonic folding is massive expansion and growth of which structure?
amnion
The absence of a limb in a fetus is known as
amelia
Ossification first starts in the _______ of the upper limb bud?
proximal
Limb buds develop from a group of cells within the ______ ?
somatic mesoderm
What forms within the septum primum of the embryonic heart?
foramen ovale
______ is the formation of new blood vessels by budding or branching from existing vessels?
angiogenesis
An apical ectodermal ridge is a feature of the developing:
limbs
What muscle is associated with the 1st pharyngeal arch?
masseter (mastication)
What muscle is associated with the 2nd pharyngeal arch?
facial expression and stapedius
What muscle is associated with the 3rd pharyngeal arch?
stylopharyngeus
What muscle is associated with the 4th and 6th pharyngeal arches?
pharyngeal constrictors
The maxilla is formed from ______ ?
neural crest
Endocardial tubes form within which structure?
cardiogenic mesoderm
Which of the following structures will form the dorsal mesenteries of abdomen?
A) ectoderm
B) paraxial mesoderm
C) splanchnic mesoderm
D) endoderm
E) somatic mesoderm
C) splanchnic mesoderm
Development of the respiratory system is closely linked to development of the ______ system
digestive
