Brain and Neuroanatomy — Flashcards

Flashcard 351: Chorda tympani branches off the facial nerve in the _____ segment of the intratemporal part

Answer: mastoid/vertical

Flashcard 352: The **anterior limb** of the internal capsule carries the _____ fibres

Answer: Frontopontine (Arnold's bundle)

Extra: The internal capsule parts and their main contents: - **Anterior limb**: Frontopontine fibers, anterior thalamic radiation. - **Genu**: Corticobulbar (corticonuclear) fibers. - **Posterior limb**: Corticospinal fibers (motor), superior/central thalamic radiation (sensory), and other corticopontine fibers (parietopontine, etc.). - **Retrolentiform part**: Posterior thalamic radiation (optic radiation), parieto-occipito-pontine fibers. - **Sublentiform part**: Inferior thalamic radiation (auditory radiation), temporopontine fibers.

Flashcard 353: Which nerve runs within the cavernous sinus in close proximity to the internal carotid artery?_____

Answer: Abducent nerve

Flashcard 354: The calcar avis is formed by the white matter of the _____.

Answer: calcarine sulcus

Flashcard 355: Anterior thalamic nuclei have 3 subdivisions:_____

Answer: Anteroventral, Anteromedial and Anterodorsal

Flashcard 356: Branches of Mandibular nerve:Inferior alveolar nerve of the posterior division supplies the _____

Answer: mylohyoid and anterior belly of digastric (2 motor)

Flashcard 357: The septum pellucidum extends from the corpus callosum to the _____

Answer: fornix

Flashcard 358: _____ artery forms the main supply of the dorsal optic chiasma

Answer: Anterior cerebral

Flashcard 359: Types of white matter:_____ fibers: connect various cortical regions within the same hemisphere

Answer: Association

Flashcard 360: The parts of brain devoid of BBB are also known as _____

Answer: circumventricular organs