释义 |
frontal lobe
frontal loben. The largest and most anterior part of each cerebral hemisphere.frontal lobe n (Anatomy) anatomy the anterior portion of each cerebral hemisphere, situated in front of the central sulcus fron′tal lobe′ n. the anterior part of each cerebral hemisphere, in front of the central sulcus. [1875–80] frontal lobe The largest and forwardmost part of each cerebral hemisphere. It controls voluntary muscle activity and contains, usually on the left side, the area that controls the ability to produce speech.ThesaurusNoun | 1. | frontal lobe - that part of the cerebral cortex in either hemisphere of the brain lying directly behind the foreheadfrontal cortexcerebral cortex, cerebral mantle, cortex, pallium - the layer of unmyelinated neurons (the grey matter) forming the cortex of the cerebrumfrontal gyrus - any of the convolutions of the outer surface of the frontal lobe of the cerebrumprecentral gyrus - the convolution of the frontal lobe that is bounded in back by the central sulcus and that contains the motor arealobe - (anatomy) a somewhat rounded subdivision of a bodily organ or part; "ear lobe" | Translationsfrontal lobe
frontal lobe[¦frənt·əl ¦lōb] (neuroscience) The anterior portion of a cerebral hemisphere, bounded behind by the central sulcus and below by the lateral cerebral sulcus. frontal lobe
lobe [lōb] 1. a more or less well defined portion of an organ or gland.2. one of the main divisions of a tooth crown.azygos lobe (lobe of azygos vein) a small anomalous lobe situated at the apex of the right lung, produced when the azygos vein arches over the upper part of the lung instead of at the hilus and presses deeply into the lung tissue to form a fissure that isolates a medial part of the lung.caudate lobe a small lobe of the liver between the inferior vena cava on the right and the left lobe.ear lobe the lower fleshy, noncartilaginous portion of the external ear.flocculonodular lobe one of the main subdivisions of the cerebellum, located inferiorly, consisting of the paired flocculi, their peduncles, and the nodule of the vermis.frontal lobe the anterior portion of the matter" >gray matter of each hemisphere" >cerebral hemisphere.hepatic lobe one of the lobes of the liver, designated the right and left and the caudate and quadrate.l's of lung the five major subdivisions of the lungs. see accompanying illustration and see lung. The lobes of the lungs. From Frazier et al., 2000.occipital lobe the most posterior portion of each hemisphere" >cerebral hemisphere, forming a small part of its posterolateral surface. See illustration. The occipital lobe of the brain. From Applegate, 2000.parietal lobe the upper central portion of the matter" >gray matter of each hemisphere" >cerebral hemisphere, between the frontal lobe and the occipital lobe and above the temporal lobe. It is the receptive area for fine sensory stimuli, and the highest integration and coordination of sensory information is carried on here. Damage to it can produce defects in vision or aphasia.polyalveolar lobe a congenital disorder characterized in early infancy by the presence of far more than the normal number of alveoli in a lobe of the lungs; thereafter, normal multiplication of alveoli does not take place and they become enlarged, i.e., emphysematous.quadrate lobe 1. precuneus.2. a small lobe of the liver, between the gallbladder on the right, and the left lobe.Riedel's lobe an anomalous tongue-shaped mass of tissue projecting from the right lobe of the liver in some individuals.spigelian lobe caudate lobe.temporal lobe a long tongue-shaped process that is the lower lateral portion of each hemisphere" >cerebral hemisphere.fron·tal lobe of cer·e·brum [TA] the portion of each cerebral hemisphere anterior to the central sulcus. Synonym(s): frontal lobe [TA], lobus frontalis [TA]frontal loben. The largest and most anterior part of each cerebral hemisphere.frontal lobe The large, foremost part of the brain. This part constitutes about one-third of the brain and is much more fully developed than in any other primate. Damage to the frontal lobe causes general disturbance of thinking, impairment of initiative and spontaneity, loss of strength of personality, and, if the rear part of the lobe is affected, paralysis.frontal lobe the anterior part of each cerebral hemisphere in mammals.Frontal lobeThe largest, most forward-facing part of each side or hemisphere of the brain.Mentioned in: Aphasiafrontal lobe Related to frontal lobe: occipital lobe, parietal lobe, temporal lobe, frontal lobe syndrome, frontal lobe dementiaSynonyms for frontal lobenoun that part of the cerebral cortex in either hemisphere of the brain lying directly behind the foreheadSynonymsRelated Words- cerebral cortex
- cerebral mantle
- cortex
- pallium
- frontal gyrus
- precentral gyrus
- lobe
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