28Jul/17

Cerebrum

Neuroanatomy, , , , , , , , , , , ,

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…

22Jul/17

Fourth Ventricle

Neuroanatomy, , , , , , , , , , ,

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…

19Jul/17

Internal Capsule

Neuroanatomy, , , , , , , , , , , , ,

 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…

18Jul/17

Ascending and Descending Tracts

Neuroanatomy, , ,

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…

15Jul/17

Midbrain Anatomy

Neuroanatomy, , , , , , , , , ,

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…

14Jul/17

Pons

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What is the location and extent of pons? Pons is the middle part of the brainstem . is continuous below with the medulla oblongata and above with midbrain. is located in theRead More…

12Jul/17

Medulla Oblongata

Neuroanatomy, , , , , , , , ,

What is the location and extent of medulla oblongata. Medulla oblongata is the lowermost part of the brainstem (other parts are pons and midbrain). It is: continuous below with the spinal cord andRead More…