What fissure separates the two cerebral hemispheres of the brain? A) Transverse fissure B) Longitudinal fissure C) Sagittal fissure D) Tentorium cerebelli

The fissure that separates the two cerebral hemispheres of the brain is the **B) Longitudinal fissure**. Here's a brief explanation of the options: - **A) Transverse fissure**: This fissure separates the cerebrum from the cerebellum. - **B) Longitudinal fissure**: This is the correct answer; it runs along the midline of the brain and divides the left and right cerebral hemispheres. - **C) Sagittal fissure**: This term is often used interchangeably with the longitudinal fissure, but it is not a standard term for the fissure that separates the hemispheres. - **D) Tentorium cerebelli**: This is a structure that separates the cerebellum from the inferior portion of the occipital lobes of the cerebrum, not a fissure. Thus, the correct answer is **B) Longitudinal fissure**.