Set I Flashcards
What does the ectoderm give rise to?
all neurons and supporting cells
What does the notochord induce?
the ectoderm to become the neuroectoderm
What is the remnant of the notochord?
nucleus pulposus of the IVD
What does the ectoderm form?
the neural plate
What does the neural plate form?
the neural groove which houses the spinal cord and brain vesicles
What does the neural crest develop into?
branchial arches, PNS, schwann cells, pia and arachnoid, sacral parasympathetics, sensory and autonomic ganglia, mesencephalic nucleus of V, melanocytes, bones and CT of head, DRG, Ganglia of CN V, VII, IX, and X, and adrenal gland medulla
What does the neural plate develop into?
macroglial cells: oligodendrocytes, astrocytes, neurons of the CNS, ependymal cells, and retinal cells (MOANER)
What does the endoderm epithelium form?
the lining of the digestive tube and its associated structures
What are the parts of the primitive gut?
foregut, midgut, hindgut, and allantois
What makes up the foregut?
glands, buccal cavity, esophagus, stomach, pharyngeal pouches and pharynx
What makes up the midgut?
duodenum, jejunum, appendix, and part of the transverse colon
What makes up the hindgut?
part transverse, sigmoid and descending colon, rectum and upper anal canal
What makes up allantois?
urinary bladder, vagina, urethra, prostate, and urethral glands
What do somite cells form?
the sclerotome
What does the sclerotome become?
vertebral column (cartilage and bone)
Where is the foramen ovale located?
between the interarterial septum
What does foramen ovale become?
fossa ovalis
Where is the ductus arteriosus located?
bypasses pulmonary trunk to arch of aorta
What does ductus arteriosus become?
ligamentum arteriosum
Where is the dectus venosus located?
bypasses sinusoids of fetal liver
What does dectus venosus become?
becomes ligamentum venosum
Where is the umbilical vein located?
ligamentum teres