What is the extent and course of oesophagus ? Oesophagus is a muscular tube that conveys food from the pharynx to the stomach. Extent of oesophagus: it begins as continuation of pharynx inRead More…
21Aug/17
Thoracic Duct
Describe the origin, course and termination of thoracic duct. WATCH VIDEO OF THORACIC DUCT [CLICK HERE] Thoracic duct is the largest lymph duct. It has beaded appearance because of the presence of valves.Read More…
Arterial Supply of Heart
What are the characteristic features of coronary arteries? WATCH VIDEO ON CORONARY ARTERIES [CLICK HERE] Coronary arteries are: highly enlarged vasa vasorum that supply the heart. the only arteries that get filledRead More…
Heart – Internal Features
What are the chambers of Heart? Heart consists of four chambers Right atrium : Receives the impure blood from the body and the heart itself. Right ventricle: Receives the impure blood fromRead 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”]