Sensory tracts of spinal cord

¡Supera tus tareas y exámenes ahora con Quizwiz!

The _______ spinothalamic tract senses crude touch and pressure.

anterior

In the anterior spinothalamic tract the second neuron crosses over in the ________ commissure and goes to ________ on opposite side.

anterior, thalamus

Sensory tracts are _______, delivering info to the ______.

ascending, brain

All tracts are ______ symmetrical.

bilaterally

Axons are grouped based on their destination into _______ or _______.

bundles. tracts

In the anterior spinothalamic tract, the second neuron crosses over in the anterior ________ and goes to ________ on the opposite side.

commissure, thalamus

In the medial lemniscus, axons from sensory _______ nerves join the tract.

cranial

The fasciculus _______ transmits info coming from areas superior to T6.

cuneatus

Motor tracts are _______. delivering info to the _______.

descending, periphery

In first-order neurons, the cell body is in the ______ root ganglion.

dorsal

White matter in the spinal cord is organized into _____ and ______.

fasciculi, columns

The fasciculus _______ transmits info coming from areas inferior to T6.

fasciculus

In the anterior spinothalamic tract, the _______ first neuron from periphery goes to the same level as spinal segment's posterior grey horns.

first

In the anterior spinothalamic tract, the _______ neuron from periphery goes to the same level as spinal segment's posterior grey horns.

first

In the posterior column tracts the ________ neuron from periphery enters spinal cord on same level and goes to medulla on same side.

first

In the spinocerebellar tracts, the _______ neuron from periphery goes to same level as spinal segment's posterior grey horns.

first

The first synapse of the posterior column tracts is in the nucleus ________ or nucleus ________ of medulla oblongata.

gracilis, cuneatus

The two fasciculi of the posterior column are the fasciculus ________ and fasciculus _______.

gracilis, cuneatus

In spinocerebellar tracts, _______ cross over in the anterior commissure and ascend on opposite side.

half

In spinocerebellar tracts ______ of secondary neurons stay on the same side and ______ in posterior tracts.

half, ascend

Fibers that enter at a _____ level are more lateral within spinal cord.

higher

Sensory ________ is a pictorial representation of portion of the primary somatosensory cortex receiving sensory info from division of body.

homunculus

Posterior spinocerebellar tracts enter cerebellar cortex as ________.

inferior cerebellar peduncle

The _______ spinothalamic tract senses pain and temperature on the opposite side of the body.

lateral

The _______ spinothalamic tract senses pain and temperature.

lateral

The tract where the second neuron crosses over and goes to thalamus on the opposite side is the medial _________.

lemniscus

The _______-_______ rule states that fibers from lower levels of body travel more medially.

medial-lateral

Sensory ______ is a type of sensation such as pain and temperature.

modality

Brain and spinal cord both contain _______ with long ________ that pass info between them.

neurons, axons

In the posterior column tracts, if the damage occurs above medulla, the _______ side is affected.

opposite

The third neuron from thalamus to the primary sensory cortex of the cerebral hemisphere is on the ________ side than sensation.

opposite

First-order neurons is are _______ neurons that enters spinal cord.

peripheral

Sensory homunculus is a ________ representation of the portion of the primary ________ cortex receiving sensory info from division of body.

pictorial, somatosensory

In a second-order neuron, the synapse and cell body are in the ______ horns.

posterior

The ________ columns have sensory fibers carrying fine touch, pressure, and vibration.

posterior

In first-order neurons, the first synapse is in _______ horns or medulla _______.

posterior, oblongata

The ________ column tracts sense fine-touch, vibration, and proprioception on the _________ side of the body.

posterior, opposite

The three major sensory tracts are the _______ column tract, the ________ tract, and the _______ tract.

posterior, spinothalamic, spinocerebellar

In the posterior column tracts, if the damage occurs below medulla, the _______ side is affected.

same

In the spinocerebellar tracts, proprioception is on the ______ same side of the body or _______.

same, ipsilateral

A neuron from spinal cord to thalamus is a ______-order neuron.

second

______ and ______ axons do not mix but travel by _______ tracts within spinal cord.

sensory, motor, different

______ organization are tracts with ______ origins and destinations that go together.

somatotopic, simlar

In the anterior spinocerebellar tract, crossover occurs in the _______ cord at the level of entry.

spinal

In the anterior spinothalamic tract the crossover occurs in the ________ cord at the level of entry.

spinal

The crossover in the lateral spinothalamic tract occurs in the _______ cord at the level of entry.

spinal

Tracts that go up to the brain delivers info from ______ cord which means it is sensory.

spinal

All tracts involve ______ cord and _______.

spinal, brain

If the tract name ends with _____, the tract delivers info to the ______ cord which means it is motor.

spinal, spinal

If the tract name begins with ______, then it goes up to the brain.

spino

In the posterior _______ tract all of them will land up on the same side at the end.

spinocerebellar

The _______ tracts transmits proprioceptive info to the cerebellar cortex

spinocerebellar

The function of the anterior _______ tract is proprioception, or the awareness of the position of the body.

spinocerebellar

There is no crossover in the the posterior _________ tract.

spinocerebellar

The _______ tract transmits pain and temperature sensations to the thalamus and then cortex

spinothalamic

The anterior _______ tract have sensory fibers carrying crude touch.

spinothalamic

The anterior _______ tract senses crude touch and pressure sensations on opposite side of the body.

spinothalamic

The lateral _______ tract have sensory fibers carrying pain and temperature.

spinothalamic

To the cerebellum, sensation is only at the ______ level.

subconscious

Anterior spinocerebellar tracts cross over again within cerebellum and enter cerebellar cortex as ________.

superior cerebellar peduncle

In third-order neurons, the synapse and nuclei are in the ______.

thalamus

The second neuron of the posterior column tracts crosses over and goes to _________ on the opposite side.

thalamus

Third-order neurons transmit info from ______ to the ______ cortex.

thalamus, cerbral

The third neuron in the anterior spinothalamic tract starts in the _______ and goes to _______ in the opposite direction.

thalamus, cortex

The ______ neuron in the anterior spinothalamic tract starts in thalamus and goes to cortex on the opposite side.

third

The _______ neuron of the posterior column tracts goes from thalamus to the primary sensory cortex of the cerebral hemisphere.

third

Neurons in the sensory tracts are arranged according to ______ anatomical principles.

three

Sensory tracts involve _____ neurons.

three

Somatic sensory that go to cerebral cortex have ______ neurons.

three

______ are all axonal fibers going to the ______ destination and conducting the _____ info, and their associated ______.

tracts, same, same, nuclei

The posterior column tract has ______ fasciculi.

two

Somatic motor have ______ neurons and ______ synapse.

two, one

Each tract contains _____ fiber and ______ cell bodies.

white, grey


Conjuntos de estudio relacionados

Management Exam #4 - Ch. 13 Quiz questions

View Set

Anatomy and Physiology Lab 8, Endocrine System (Ex 24)

View Set

ARE 112 Winter 2019 MT 1 MC and Fill-In questions, ARE 112, are 112 exam 2

View Set

Unit 2B- Local government(NC) Executive Branch

View Set

CGS2100 File Management Quiz Study Set

View Set

Chapter 31: The infant and family

View Set