The section of the pharyngeal apparatus that is lined with the endoderm
What is the pharyngeal pouches? (1,2,3,4, & 6)
The cranial nerve responsible for left and right eye movement.
The abducens nerve (CN VI)
The number of pharyngeal arches in a 4-5 week old fetus.
what is 5 pharyngeal arches (1,2,3,4,&6)
treacher collins syndrome occurs when there is a lack of migration of neural crest cells to this pharyngeal segment.
What is the 1st pharyngeal arch?
the pharyngeal segment is responsible for all muscles of facial expression.
What is the second arch?
"horse tail-like" fibers at the end of the spinal cord.
What is cauda equina?
What is the oculomotor nerve (CNIII)?
carry deoxygenated blood from the fetus to the placenta.
When a embryo implants anywhere besides the endometrium of the uterine wall. (Particularly in the fallopian tubes.)
What is an ectopic pregnancy?
The section of the pharyngeal apparatus lined with the ectoderm.
The are where lumbar punctures are done in a healthy adult human.
What is the L3-L4 space?
cranial nerve responsible for taste in the back of the tongue and swallowing.
What is the glossopharyngeal nerve (CN IX)
Carries oxygenated blood from the placenta to the fetus.
What is the umbilical vein.
Failure of this step in the 3rd-4th week may cause these fetl conditions like abdominal herniations, ectopia cordis, etc.
What is failure of ventral wall folding/closure?
What is the 1st pharyngeal pouch?
The tract responsible for fine tough, conscious proprioceptive, vibratory, and pressure sense from the limbs.
What is the gracile fasciculus?
The nerve responsible for moving the tongue.
What is the hypoglossal nerve (CN XII)
The location of implantation for the placenta accretia.
what is the myometrium.
this can be formed by tears in the amniotic cavity, which can result in amputations of the limbs of the fetus.
What are amniotic bands?
The derivative of the pharyngeal membrane.
What is the tympanic membrane?
What is the artery of adamkiewicz?
The cranial nerve responsible for hearing and balance.
The vestibulocochlear nerve (CN VIII)
the amount of amniotic fluid that should be by the end of the fetal development cycle.
what is 800-1000ml?
growth failure of this pharyngeal apparatus segment can cause pharyngeal cysts.
What is the 2nd pharyngeal cleft?