Pharyngeal Apparatus
Spinal Cord
Name that nerve
Embryology
Embryology Mishaps
100

The section of the pharyngeal apparatus that is lined with the endoderm

What is the pharyngeal pouches? (1,2,3,4, & 6)

100
The end of the spinal cord at around L1.
What is the conus medularis?
100

The cranial nerve responsible for left and right eye movement.

The abducens nerve (CN VI)

100

The number of pharyngeal arches in a 4-5 week old fetus.

what is 5 pharyngeal arches (1,2,3,4,&6)

100

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?

200

the pharyngeal segment is responsible for all muscles of facial expression.

What is the second arch?

200

"horse tail-like" fibers at the end of the spinal cord.

What is cauda equina?

200
The facial nerve responsible for eye movement and pupil control.

What is the oculomotor nerve (CNIII)?

200

carry deoxygenated blood from the fetus to the placenta.

What are the left and right umbilical arteries?
200

When a embryo implants anywhere besides the endometrium of the uterine wall. (Particularly in the fallopian tubes.)

What is an ectopic pregnancy?

300

The section of the pharyngeal apparatus lined with the ectoderm. 

What is the pharyngeal clefts/grooves? (1,2,3&4)
300

The are where lumbar punctures are done in a healthy adult human.

What is the L3-L4 space?

300

cranial nerve responsible for taste in the back of the tongue and swallowing. 

What is the glossopharyngeal nerve (CN IX)

300

Carries oxygenated blood from the placenta to the fetus.

What is the umbilical vein.

300

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?

400
This pharyngeal segment will later become the epithelial lining of the auditory canal. 

What is the 1st pharyngeal pouch?

400

The tract responsible for fine tough, conscious proprioceptive, vibratory, and pressure sense from the limbs.

What is the gracile fasciculus? 

400

The nerve responsible for moving the tongue.

What is the hypoglossal nerve (CN XII)

400

The location of implantation for the placenta accretia.

what is the myometrium.

400

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?

500

The derivative of the pharyngeal membrane.

What is the tympanic membrane?

500
The backup/support artery for the anterior spinal artery.

What is the artery of adamkiewicz?

500

The cranial nerve responsible for hearing and balance.

The vestibulocochlear nerve (CN VIII)

500

the amount of amniotic fluid that should be by the end of the fetal development cycle. 

what is 800-1000ml?

500

growth failure of this pharyngeal apparatus segment can cause pharyngeal cysts.

What is the 2nd pharyngeal cleft?

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