definition of cerebral peduncle
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NERVE PATHWAY Noun. 1. cerebral peduncle-a bundle of myelinated neurons joining different parts of the brain. peduncle. nerve pathway, nerve tract, pathway, tract-a bundle of myelinated nerve fibers following a path through the brain.
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cerebellum Plural cerebellums or cerebella. The part of the vertebrate brain that is located below the cerebrum at the rear of the skull and that coordinates balance and muscle activity. In mammals, the cerebellum is made up of two connecting hemispheres that consist of a core of white matter surrounded by gray matter.
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- The cerebral cortex is a laminated gray matter on the surface of the cerebrum. It represents the highest level of organization and development of the central nervous system, and is only present in
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- Definition of cerebral ganglion. : one of a pair of ganglia situated in the head or anterior part of the body in many invertebrates in front of or dorsal to the esophagus; also : a median ganglion formed by the fusion of such a pair.
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Definitions &Translations Peduncle (noun). the stem or stalk that supports the flower or fruit of a plant, or a cluster of flowers or fruits. Peduncle (noun). a sort of stem by which certain shells and barnacles are attached to other objects.
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Brain Structures and Their Functions These parts of the brain help regulate body movement, vision and hearing. The anterior portion of the midbrain contains the cerebral peduncle which contains the axons that transfer messages from the cerebral cortex down the brain stem, which allows voluntary motor function to take place.
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Cerebral peduncles The cerebral peduncles (also known as the cerebral crus) are the part of the midbrain that link the remainder of the brainstem to the thalami and thereby, the cerebrum.They are the most anterior structure in the midbrain and contain the large ascending and descending tracts that run to and from the cerebrum.he cerebral peduncles (also known as the cerebral crus) are the part of the midbrain that link the remainder of the brainstem to the thalami and thereby, the cerebrum.
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Definitions of Human Brain Components Corpus callosum The corpus callosum (CC) is the largest bundle of fibers (estimated 200–800 million nerve fibers) that connects the two hemispheres in three ways: (1) connecting identical (homologous) points, (2) areas, and (3) diffuse terminal connections.
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- The cerebral cortex is the cerebrum 's (brain) outer layer of neural tissue in humans and other mammals. It is divided into two cortices, along the sagittal plane: the left and right cerebral hemispheres divided by the medial longitudinal fissure.he cerebral cortex plays a key role in memory, attention, perception, awareness, thought, language, and consciousness. The human cerebral cortex is 2 to 4 millimetres (0.079 to 0.157 in) thick. In large mammals, the cerebral cortex is folded, giving a much greater surface area in the confined volume of the skull.
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Joy But joy is a Divine, as well as a human, emotion; for God Himself is represented in the Old Testament, not as a rigid, impassible Being, but as susceptible to pleasure and pain. God may be conceived of as rejoicing in his works (Psalms 104:31; compare Genesis 1:31), and over His people for good (Deuteronomy 30:9).
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- 4 History The corpus callosum The corpus callosum is a structure in the brain of all placental mammals that connects the left and right cerebral hemisphere. Containing numerous intra-, and interhemispheric axonal projections it is considered to be the largest white matter structure in the brain.
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Cerebral cortex The cerebral cortex is the cerebrum 's (brain) outer layer of neural tissue in humans and other mammals. It is divided into two cortices, along the sagittal plane: the left and right cerebral hemispheres divided by the medial longitudinal fissure.n the human brain more than two-thirds of the cerebral cortex is buried in the sulci. The cerebral cortex is gray matter, consisting mainly of cell bodies (with astrocytes being the most abundant cell type in the cortex as well as the human brain as a whole) and capillaries.
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- thalamus. -a major relay station for sensory information ascending to primary sensory areas of the cerebral cortex. contains many specialized nuclei. -afferent impulses from all senses and all parts of the body converge here and synapse with atleast one of its nuclei.a major relay station for sensory information ascending to primary sensory areas of the cerebral cortex. contains many specialized nuclei.
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Brain The cerebral cortex is the part of the brain that most strongly distinguishes mammals. In non-mammalian vertebrates, the surface of the cerebrum is lined with a comparatively simple three-layered structure called the pallium.he brain is the most complex organ in a vertebrate's body. In a typical human, the cerebral cortex (the largest part) is estimated to contain 15–33 billion neurons, each connected by synapses to several thousand other neurons.
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- : either of the two hollow convoluted lateral halves of the cerebrum — see brain illustration. See cerebral hemisphere defined for kids. ADVERTISEMENT. noun. : either of the two hollow convoluted lateral halves of the cerebrum.
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Definitions &Translations Peduncle (botany) In botany, a peduncle is a stem supporting an inflorescence, or after fecundation, an infructescence. The peduncle is a stem, usually green, though some peduncles are more or less florally colored or neutral in color, having no particular pigmentation.
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peduncle peduncle. (anatomy). A band of white fibers joining different portions of the brain. (botany). A flower-bearing stalk. A stalk supporting the fruiting body of certain thallophytes. (invertebrate zoology). The stalk supporting the whole or a large part of the body of certain crinoids, brachiopods, and barnacles.
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cerebral peduncle three pairs of thick, white fiber trunks that arise from the midbrain, pons and medulla and pass into the cerebellum. cerebral peduncle. the ventral half of the midbrain, divisible into a dorsal part (tegmentum) and a ventral part (crus cerebri), which are separated by the substantia nigra. peduncle disease. a disease of marine fish caused by the flexibacter Cytophaga psychrophila.
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Brain Divisions & Functions Midbrain. Contains the cerebral peduncles which connects the cerebrum to the brainstem, the corpora quadrigemina (superior & inferior colliculi) with visual and auditory reflex centers, the red nucleus, and substantia nigra.   .
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brain thalamus (thăl´əməs), mass of nerve cells centrally located in the brain just below the cerebrum and resembling a large egg in size and shape. The thalamus is a routing station for all incoming sensory impulses except those of smell, transmitting them to higher (cerebral) nerve centers. In addition, it connects various brain centers with others. Thus the thalamus is a major integrative complex, enabling sensory stimuli to evoke appropriate physical reactions as well as to affect emotions.
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What is the function of the cerebral peduncle? Making the world better, one answer at a time. The cerebral peduncle is made of nerve fibers. There is one on each side of the brain, and they help transport nerve impulses from the higher part of the brain to the brain stem.Its main function is to control body movement.aking the world better, one answer at a time. The cerebral peduncle is made of nerve fibers. There is one on each side of the brain, and they help transport nerve impulses from the higher part of the brain to the brain stem.
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- The cerebral peduncles are two cylinders composed entirely of nerves, with one on each side of the brain. These bundles of nerves carry information between the higher brain (the cortex) and the lower part of the brain (the brain stem). The information that the cerebral peduncles carry is information about body movement.Damage to the cerebral peduncles usually shows up in some other part of the body.he cerebral (meaning having to do with the brain) peduncles (meaning a stem like connection between organs) are two tracts of neural fibers that are usually hidden by the temporal lobes of the brain. The cerebral peduncles run from the base of the cortex to the pons (bridge) and carry information about movement.
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Cisterns of the brain (Redirected from Basal cistern). The interpeduncular cistern (basal cistern or Fossa interpeduncularis) is a wide cavity where the arachnoid extends across between the two temporal lobes.It encloses the cerebral peduncles and the structures contained in the interpeduncular fossa, and contains the arterial circle of Willis.he interpeduncular cistern (basal cistern or Fossa interpeduncularis) is a wide cavity where the arachnoid extends across between the two temporal lobes. It encloses the cerebral peduncles and the structures contained in the interpeduncular fossa, and contains the arterial circle of Willis.
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Cerebral Aneurysm A cerebral or intracranial aneurysm is an abnormal focal dilation of an artery in the brain that results from a weakening of the inner muscular layer (the intima) of a blood vessel wall. The vessel develops a blister-like dilation that can become thin and rupture without warning.
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- Definition of Cerebral cortex. Cerebral cortex: A thin mantle of gray matter about the size of a formal dinner napkin covering the surface of each cerebral hemisphere. The cerebral cortex is crumpled and folded, forming numerous convolutions (gyri) and crevices (sulci).