Neupsy Key

7 Spinal Cord The spinal cord is the lower elongated part of the central nervous system (CNS). It is cylindrical in shape, slightly flattened anteroposteriorly and occupies the upper two-third…

9 Nuclei, Functional Components and Distribution of Cranial Nerves There are 12 pairs of cranial nerves, out of these two pairs arise from the forebrain and 10 pairs from the…

11 Diencephalon and Third Ventricle Diencephalon The diencephalon is the part of brain between the cerebrum and the brainstem. The cavity within it is termed third ventricle. The diencephalon comprises…

15 Blood Supply of the Brain The continuous blood supply to the brain is of utmost importance because of its high metabolic demands for oxygen and glucose. It is highly…

18 Special Senses and their Neural Pathways There are five types of special senses, viz. (a) sense of smell, (b) sense of vision, (c) sense of sound/ hearing, (d) sense…

14 White Matter of the Cerebrum and Lateral Ventricles White Matter Of The Cerebrum The cerebral white matter is a compact mass of a vast number of nerve fibres and…

8 Brainstem The brainstem is the stalk-like part of the brain which connects the spinal cord with the forebrain. From below upwards it consists of three parts: medulla oblongata, pons,…

10 Cerebellum and Fourth Ventricle Cerebellum The cerebellum (L. cerebellum = little brain) is the largest part of the hindbrain and second largest part of the brain as a whole….

12 Cerebrum The cerebrum is the largest part of the human brain that fills most of the cranial cavity. Its large size is the result of a progressive (telencephalization) centralization…

20 Autonomic Nervous System The autonomic (self-controlling) nervous system is that part of the nervous system which regulates most of the involuntary activities of the body, such as the activities…