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- A mid-sagittal section slices the brain through the longitudinal fissure and separates the right hemisphere from the left. It also reveals more structures. In a mid-sagittal view, all four cortical lobes are visible.
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Aug 8, 2023 · The sagittal view of the midbrain reveals its two portions: tectum and tegmentum. The tectum is the region of the midbrain posterior to the cerebral aqueduct of Sylvius . It is composed of the two posterior bulges called the superior and inferior colliculi.
- Lobes
The motor cortex corresponds to the precentral gyrus of the...
- Fourth Ventricles
Choroid plexus of the fourth ventricle (sagittal view) The...
- Midbrain
The midbrain, or mesencephalon, is the most rostral part of...
- Lobes
Nov 3, 2023 · The midbrain, or mesencephalon, is the most rostral part of the brainstem that connects the pons and cerebellum with the forebrain. For most of its part, the midbrain sits in the posterior cranial fossa, traversing the hiatus of the tentorium cerebelli. The midbrain is the shortest part of the brainstem. However, it contains many important ...
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- 26 min
May 9, 2023 · Anatomy. The midbrain is the most superior region of the brainstem. Structure. Your brainstem connects your brain to your cervical spinal cord (neck) and consists of three main parts: Midbrain. Pons. Medulla oblongata. (Sometimes, the diencephalon is also considered part of the brainstem.)
- Colleen Doherty, MD
In a mid-sagittal view, all four cortical lobes are visible. The frontal lobe is separated from the parietal lobe by the central sulcus, the occipital lobe is in the posterior region of the brain, and the temporal lobe can be seen behind the brainstem.
Sagittal view of the brainstem showing corticopontine fibers relaying motor signals to the pontine nuclei, which then communicate with the cerebellum via the middle cerebellar peduncle. The bridge-like white matter is only on the anterior surface of the pons; the gray matter beneath that is a continuation of the tegmentum from the midbrain.
When the brain is hemisected in the midsagittal plane, all of its major subdivisions plus a number of additional structures are visible on the cut surface (Figure 1.14). In this view, the cerebral hemispheres, because of their great size, are still the most obvious structures.
Midbrain, region of the developing vertebrate brain that is composed of the tectum and tegmentum. The midbrain serves important functions in motor movement, particularly movements of the eye, and in auditory and visual processing.
