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Bio Psych Kalat 12E
Chapter 3.1
| Term | Definition |
|---|---|
| Autonomic Nervous System | Part of the PNS that controls the heart, intestines, and other organs |
| Basal Ganglia | A group of subcortical forebrain structures lateral to the thalamus |
| Central Canal | A fluid-filled channel in the center of the spinal cord |
| Central Nervous System (CNS) | The brain and the spinal cord |
| Cerebellum | Highly folded hindbrain structure that is important for behaviors that depend on timing (coordination) |
| Cerebrospinal Fluid | A clear fluid similar to blood plasma produced by choroid plexus in the brain ventricles |
| Cranial Nerves | Nerves that control sensations from the head, muscle movements in the head, and much of the parasympathetic output to the oragans |
| Dorsal | Located toward the back |
| Dorsal Root Ganglia | Clusters of sensory neurons outside the spinal cord |
| Forebrain | Most anterior part of the brain; consists of two cerebral hemispheres |
| Gray Matter | Areas of the nervous system that are densely packed with cell bodies and dendrites |
| Hindbrain | The posterior part of the brain |
| Hippocampus | A large structure located toward the posterior of the forebrain, between the thalamus and the cerebral cortex |
| Hypothalamus | Small area near the base of the brain, ventral to the thalamus |
| Inferior Colliculus | Swelling on the surface of the tectum that contributes to hearing |
| Limbic System | Interlinked structures that form border around the brainstem |
| Medulla | Hindbrain structure located just above the spinal cord; could be regarded as an enlarged extension of the spinal cord. |
| Meninges | Membranes that surround the brain and spinal cord |
| Midbrain | Middle part of the brain |
| Neuroanatomy | The anatomy of the nervous system |
| Nucleus Basalis | A forebrain structure that lies on the ventral surface; receives input from the hypothalamus and basal ganglia; sends axons to areas in the cerebral cortex |
| Parasympathetic Nervous System | System of nerves that facilitate vegetative, nonemergency responses by the body's organs |
| Peripheral Nervous System (PNS) | Nerves outside the brain and spinal cord |
| Pituitary Gland | An endocrine gland attached to the base of the hypothalamus |
| Pons | Hindbrain structure that lies anterior and ventral to the medulla. Axons from each half of the brain cross to the opposite side of the spinal cord |
| Somatic Nervous System | Part of the PNS that consists of the axons conveying messages from the sense organs to the CNS and from the CNS to the muscles |
| Spinal Cord | Part of the CNS; it communicates with all the sense organs and muscles except those of the head |
| Substantia Nigra | A midbrain structure that gives rise to a pathway releasing dopamine |
| Superior Colliculus | Swelling on either side of the tectum; important to visual processing |
| Sympathetic Nervous System | A network of nerves that prepare the organs for vigorous activity |
| Tectum | Roof of midbrain |
| Tegmentum | Intermediate level of the midbrain |
| Thalamus | A pair of structures in the center of the forebrain |
| Ventral | Toward the stomach |
| Ventricles | Four fluid-filled cavities within the brain |
| White Matter | Area of the nervous system consisting mostly of myelinated axons |
Created by:
kassmea
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