Development of Spinal Cord

Play an AI-generated podcast conversation about this lesson

Which spinal tract controls pressure, vibration, fine touch, and proprioception?

Corticospinal tract

Posterior (dorsal) column (correct)

Spinocerebellar tract

Spinothalamic tract

Where do the gracile and cuneate nuclei, involved in sensory processing, reside?

Pons

Cerebellum

Medulla (correct)

Midbrain

What is the term used for the ascending pathway that involves both contralateral and ipsilateral control?

Corticospinal tract

Ascending contralaterally (correct)

Spinothalamic tract

Descending pathway

Which spinal cord horn is responsible for sensory functions?

Posterior/dorsal horn Signup and view all the answers

Where does the spinal cord end in adults?

Lower border of L1-L2 vertebrae Signup and view all the answers

Which spinal pathway controls pain and temperature?

Spinothalamic tract Signup and view all the answers

Where do sensory neurons form from in the neural plate?

Alar plate Signup and view all the answers

Which region of the spinal cord forms the thoracolumbar sympathetic output in adults?

Intermediate horn Signup and view all the answers

Where are cranial nerve nuclei primarily located?

Brainstem Signup and view all the answers

Which part of the neural tube defects is best visualized through MRI?

Spina bifida occulta Signup and view all the answers

Which structure is between the dorsal alar plate and basal plate?

Sulcus limitans Signup and view all the answers

What controls the skeletal muscles of branchial arch origin?

Special visceral afferents Signup and view all the answers

Which condition is characterized by the bulging out of both meninges and spinal cord from the back of the baby's spine?

Myelomeningocele Signup and view all the answers

What condition is associated with Chiari malformations and typically leads to permanent neuro deficits like leg weakness or paralysis?

Myelomeningocele Signup and view all the answers

Which type of reflexes respond to stimuli on the superficial skin, including the Babinski and cremasteric reflexes?

Superficial reflexes Signup and view all the answers

Which condition is characterized by an open entire spinal cord and can be detected in utero through prenatal screening?

Myeloschisis Signup and view all the answers

What condition results in the failure of the head of the neural tube to close, leading to forebrain/brainstem exposure in utero?

Anencephaly Signup and view all the answers

Which form of neural tube defect is characterized by brain or meninges herniating through a skull defect?

Encephalocele Signup and view all the answers