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Anatomy Neuroanatomy, Head and Neck a582a7ab

Occlusion of the aery supplying the marked area will lead to all EXCEPT:

A
Urinary incontinence
B
Rectal incontinence
C
Apraxia
D
Perianal anesthesia
High-Yield Explanation
Area marked: Medial aspect primary motor area & Somatosensory area Paracentral lobule Aery supplying: Anterior cerebral aery Medial aspects of the sensory motor homunculus: Contralateral lower limb & pa of pelvis & perineum Coical micturition center (CMC): - Located in the medial aspect of the frontoparietal coex. Apraxia: - Inability to perform motor tasks on command d/o a lesion in the cerebral hemisphere (Parietal lobe). However, rectal incontinence is not affected or controlled by the paracentral lobular. Rectal incontinence is affected by thoracolumbar region and somatic efferent damage.

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