Brain and Neuroanatomy Indian Medical PG Flashcards - Medical Study Cards
Master Brain and Neuroanatomy with OnCourse flashcards. These spaced repetition flashcards are designed for medical students preparing for NEET PG, USMLE Step 1, USMLE Step 2, MBBS exams, and other medical licensing examinations.
Brain and Neuroanatomy Flashcard Deck - 10 Cards
Flashcard 341: At the _____, the retina is the thickest of all
Answer: foveal rim
Flashcard 342: _____ nerve is the primary sensory supply of the eye
Answer: Ophthalmic
Flashcard 343: Occipital sinus is present in Falx _____.
Answer: cerebelli
Flashcard 344: Which artery supplies the facial nerve in the CP angle?_____
Answer: AICA
Flashcard 345: The ventricles of the brain are lined by _____.
Answer: ependymocytes
Flashcard 346: Dorello's canal contains the _____ nerve.
Answer: abducent
Flashcard 347: 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 348: Which ocular muscles have crossed projections of their brainstem nuclei?_____
Answer: Superior oblique and Superior rectus
Flashcard 349: How many branches are given off by the internal carotid artery (ICA) in its cerebral part? Name them.
Answer: 5 branches::1. Ophthalmic artery
2. Posterior communicating artery
3. Anterior choroidal artery
4. Anterior cerebral artery (terminal)
5. Middle cerebral artery (terminal)
Extra: Mnemonic: **OPAAM**
The cerebral (supraclinoid) part of the internal carotid artery begins after it pierces the dural roof of the cavernous sinus and the arachnoid mater. It then divides into its two terminal branches (ACA and MCA) in the vallecula of the lateral cerebral fissure.
Flashcard 350: Chorda tympani branches off the facial nerve in the _____ segment of the intratemporal part
Answer: mastoid/vertical
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