Neuroanatomy — Flashcards

Flashcard 181: The _____ sulcus separates the frontal and parietal lobes

Answer: central

Flashcard 182: The _____ exits the brainstem at the pontomedullary junction (lateral to the abducens nerve), leaves the skull via the stylomastoid foramen, and courses through the parotid gland.

Answer: Facial nerve (CN VII)

Extra: Mnemonic for the terminal branches: To Zanzibar By Motor Car (Temporal, Zygomatic, Buccal, Marginal Mandibular, Cervical).

Flashcard 183: If a lateral horn is absent, the spinal cord is between _____ - _____ or L3 - S5

Answer: C1

Flashcard 184: The only cranial nerve to emerge from the **dorsal** aspect of the brainstem is _____.

Answer: Trochlear (CN IV)

Extra: The trochlear nerve (CN IV) is unique for being the only cranial nerve to exit from the posterior (dorsal) surface of the brainstem. It also has the longest intracranial (subarachnoid) course.

Flashcard 185: Damage to the _____ can result in a lack of interhemispheric communication (ex. patient unable to retrieve with one hand an object palpated with the other)

Answer: corpus callosum

Flashcard 186: Identify the medullary structure located lateral to the pyramids: _____

Answer: Olive

Flashcard 187: The _____ acts as the primary relay station for all sensory information (except olfaction) as it travels to the cerebral cortex.

Answer: thalamus

Flashcard 188: Medial midbrain syndrome is also known as _____ syndrome

Answer: Weber

Flashcard 189: Chiari _____ malformation is congenital and is mostly asymptomatic in childhood

Answer: I

Extra: Atlas:

Flashcard 190: Cranial nerve that exits the brainstem from the pontomedullary junction, medial to the facial nerve: _____

Answer: Abducens (CN VI)

Extra: This nerve exits the brainstem from the pontomedullary junction medial to the facial nerve.