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ANAT UNIT 1 FINAL

SPINAL CORD AND ITS MEMBRANES

QuestionAnswer
The tapered end of the spinal cord is called the: CONUS MEDULLARIS
The spinal cord is shorter than the spinal column and while relatively cylindrical throughout, it has two areas of enlargement in cross section. These areas of enlargement correspond to an increase in neural tissue associated with innervation of what? THE LIMBS
The enlargement of the spinal cord extending from C4 to T1 is called the: CERVICAL ENLARGEMENT
The enlargement of the spinal cord extending from L2 to S3 of the cord (and T10-L1 of the vertebrae) is: THE LUMBOSACRAL ENLARGEMENT
The dorsal median sulcus and ventral median fissure of the spinal cord are found in the anatomical ___. MIDLINE
The dorsolateral sulcus of the spinal cord marks the entry zone for: DORSAL ROOTLETS
The ventrolateral sulcus of the spinal cord marks the exit of the: VENTRAL ROOTLETS
Somatic and visceral motor neurons have their cell bodies located inside the: SPINAL CORD
Somatic and visceral SENSORY neurons are pseudounipolar neurons that have their cell bodies in the: DORSAL ROOT GANGLIA
How many pairs of cervical spinal nerves are there? 8
The substantial collection of lumbar and sacral spinal nerves in the lumbar region is called the: CAUDA EQUINA
Incoming sensory information synapses in what horn of the spinal cord? DORSAL HORN
Somatic motor efferent neuron cell bodies are located in this horn of the spinal cord. VENTRAL HORN
Preganglionic autonomic neuron cell bodies (GVE) are located in this horn of the spinal cord. LATERAL HORN
What are the layers of the meninges from outermost to innermost? DURA MATER, ARACHNOID, SUBARACHNOID SPACE, PIA MATER
What is the favored site at which to gain access to the subarachnoid space? LUMBAR CISTERN
What is the pial remnant this is attached between the side of the cord and the dura mater that helps suspend the cord within the tube of the dura mater? DENTICULATE LIGAMENT
Created by: AnatomyByDocRoxy
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