Brain and Neuroanatomy — Flashcards

Flashcard 381: 80% of the fibers of the optic nerve originate from the _____ region.

Answer: macular

Flashcard 382: Brodmann areas 5 and 7 are also known as the _____?

Answer: Sensory Association area

Flashcard 383: In Terson syndrome, the aneurysm most commonly arises from _____ artery

Answer: anterior communicating

Flashcard 384: Anterior cerebral artery and _____ artery supply the corpus callosum.

Answer: Posterior cerebral artery

Extra: The corpus callosum is supplied by both the Anterior Cerebral Artery (ACA) and the Posterior Cerebral Artery (PCA). - **ACA (Pericallosal artery):** Supplies the rostrum, genu, and body. - **PCA (Posterior pericallosal artery):** Supplies the splenium (the posterior-most part).

Flashcard 385: The Papez circuit is a closed neural circuitry that starts and ends in the _____.

Answer: hippocampus

Flashcard 386: Fibers passing through the most lateral part of crus cerebri are _____ fibers.

Answer: temporopontine

Flashcard 387: _____ sinus may continue as right transverse sinus

Answer: Superior sagittal

Flashcard 388: Pachymeninges includes _____

Answer: Dura mater

Extra: The meninges are divided into: - **Pachymeninges:** Dura mater (thick layer) - **Leptomeninges:** Arachnoid mater and Pia mater (thin layers)

Flashcard 389: The splenium of the corpus callosum connects the _____ cortex.

Answer: striate (primary visual cortex)

Flashcard 390: Substantia Nigra pars _____ is the major source of dopaminergic neurons to the striatum.

Answer: compacta