Brain and Neuroanatomy — Flashcards

Flashcard 131: The _____ nucleus of the thalamus generally receives input from the hypothalamus and sends output to the prefrontal cortex.

Answer: dorsomedial

Flashcard 132: Layers of the cerebellum:_____ fibres end on the dendrites of granule cells and form complexes called as glomeruli

Answer: Mossy

Flashcard 133: The embryonic brain flexure located at the level of the _____ (midbrain) is the cephalic flexure.

Answer: mesencephalon

Extra: The three main embryonic brain flexures are: 1. **Cephalic flexure**: Occurs at the level of the **midbrain** (mesencephalon). It creates the angle between the brainstem and the forebrain. 2. **Pontine flexure**: Occurs in the **hindbrain** (rhombencephalon) as a dorsal bend. 3. **Cervical flexure**: Occurs at the junction of the **hindbrain and the spinal cord**.

Flashcard 134: The _____ sinus terminates by joining with the great cerebral vein of Galen to form the straight sinus

Answer: inferior sagittal

Flashcard 135: The _____-order neuron of the dorsal column-medial lemniscal tract ascends contra-laterally in the medial lemniscus (brainstem and above)

Answer: 2nd

Flashcard 136: Lesions to the somatosensory association cortex in the _____dominant hemisphere result in astereognosia, which is the inability to recognize objects by touch

Answer: non-

Flashcard 137: The CSF in the 4th ventricle may enter the _____ via the medial foramen (1) of Magendie

Answer: subarachnoid space

Flashcard 138: The _____ of the internal capsule contains corticospinal, corticorubral, and thalamocortical fibres

Answer: posterior limb

Flashcard 139: Frontal eye field (area _____) is located in the middle frontal gyrus

Answer: 8

Flashcard 140: The fibers in the corticospinal tract leave the cerebral cortex in the _____ limb of the internal capsule

Answer: posterior