Brain – Arterial Supply
Introduction Brain is one of the most metabolically active organs of the body. Although it constitutes only 2% of the total body weight, it receives 17-20% of the total cardiac output andRead More…
Third Ventricle
Describe the location and boundaries of third ventricle. It is a cavity within Diencephalon.It is a midline slit-like cavity situated between the two thalami and the part of hypothalamus. Boundaries:The third ventricleRead More…
Lateral Ventricle
Where are lateral ventricles located? Lateral ventricle is a ‘C’ shaped cavity of cerebral hemishphere. There are two lateral ventricles, one in each cerebral hemisphere. Each lateral ventricle communicates with the thirdRead More…
Basal Ganglia/Nuclei
What are the components of Basal ganglia/nuclei. Basal gangli/nuclei are the collection of masses of grey matter situated within the white core of cerebral hemisphere. They are essential component of extrapyramidal system.Read More…
Cerebrum
Introduction Cerebrum is the largest part of brain (weighs -`1500 gms ). It comprises of two cerebral hemispheres (right and left). The two cerebral hemispheres are partially separated by medial longitudinal fissureRead More…
Fourth Ventricle
Introduction Fourth ventricle is a tent shaped cavity of hind brain lined by ependyma and contains cerebrospinal fluid (CSF) . Where is fourth ventricle located? The fourth ventricle is situated dorsalRead More…
Internal Capsule
Where is internal capsule located? Internal capsule is a broad band of ascending(sensory) and descending (motor) fibers to and from the cerebral cortex. It is continuous above with the fan-shaped corona radiataRead More…
Ascending and Descending Tracts
What are tracts? The tracts are the collection of axons (nerve fibers) in the central nervous system (CNS) that connect masses of grey matter. These nerve fibers have same origin, course, terminationRead More…
Midbrain Anatomy
Describe the external features of midbrain. A. Midbrain is the uppermost part of brainstem. is continuous below with the pons and above with forebrain. has a cavity ( canal) called cerebral aqueduct,Read More…
Medulla oblongata -Quiz
[HDquiz quiz = “1478”]