Brain and Neuroanatomy — Flashcards

Flashcard 381: Meckel's cave houses the _____ ganglion

Answer: trigeminal

Flashcard 382: 80% of the fibers of the optic nerve originate from the _____ region.

Answer: macular

Flashcard 383: The fibers present in the fornix are _____ fibers except for the hippocampal commissure of fornix which has commissural fibers

Answer: projection

Flashcard 384: The Papez circuit is a closed neural circuitry that starts and ends in the _____.

Answer: hippocampus

Flashcard 385: 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 386: 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 387: Layers of the cerebellum:_____ layer - It is the innermost layer.

Answer: Granular

Flashcard 388: The splenium of the corpus callosum connects the _____ cortex.

Answer: striate (primary visual cortex)

Flashcard 389: Substantia Nigra pars _____ is the major source of dopaminergic neurons to the striatum.

Answer: compacta

Flashcard 390: _____ sinus may continue as right transverse sinus

Answer: Superior sagittal