Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
15 Cards in this Set
- Front
- Back
|
Sulcus limitans
|
junciton between dorsal and ventral neural tube
|
|
|
alar plate
|
dorsal neural tube, becomes dorsal horn (sensory)
|
|
|
basal plate
|
ventral neural tube, becomes ventral horn (motor)
|
|
|
roof plate
|
dorsal midline thinning of neural tube.
forms choroid plexus of medulla never invaded by neural elements |
|
|
upper spinal cord
|
more white matter than lower levels
|
|
|
dorsal column (white matter)
|
discriminate between touch and pain/temperature
-ascending fibers (sensory) |
|
|
Lissauer's tract (white matter)
|
between dorsal and lateral columns
-dorsal root axons |
|
|
lateral column
|
ascending and descending fibers
|
|
|
ventral column
|
descending fibers (motor)
|
|
|
fasciculus proprius
|
surrounds gray matter, fibers intrinsic to spinal cord running a few segments up/down
|
|
|
posteromarginal layer (dorsal horn)
|
relay cells for pain/temperature
|
|
|
substantia gelatinosa (dorsal horn)
|
interneurons
|
|
|
nucleus proprius (dorsal horn)
|
spinal reflexes, ascending pathway
|
|
|
Intermediolateral cell nucleus
|
lateral horn w/ sympathetic preganglionic neurons synapsing in sympathetic chain
|
|
|
Nucleus dorsalis/Clarke's Column (intermediate gray)
|
afferent information from muscles/joints, relay to cerebellum
|
