| 释义 |
occipital lobe
occipital loben. The posterior lobe of each cerebral hemisphere, having the shape of a three-sided pyramid and containing the visual center of the brain.occipital lobe n (Anatomy) the posterior portion of each cerebral hemisphere, concerned with the interpretation of visual sensory impulses occip′ital lobe`
n. the most posterior lobe of each cerebral hemisphere, behind the parietal and temporal lobes. [1885–90] oc·cip·i·tal lobe (ŏk-sĭp′ĭ-tl) The rearmost lobe of each cerebral hemisphere, containing the main visual centers of the brain.Thesaurus| Noun | 1. |  occipital lobe - that part of the cerebral cortex in either hemisphere of the brain lying in the back of the headoccipital cortexcalcarine fissure, calcarine sulcus - a sulcus in the mesial surface of the occipital lobe of the cerebrumcerebral cortex, cerebral mantle, cortex, pallium - the layer of unmyelinated neurons (the grey matter) forming the cortex of the cerebrumoccipital gyrus - any of the convolutions of the outer surface of the occipital lobe of the cerebrumlobe - (anatomy) a somewhat rounded subdivision of a bodily organ or part; "ear lobe"area 17 of Brodmann, Brodmann's area 17, first visual area, striate area, striate cortex - the part of the occipital cortex that receives the fibers of the optic radiation from the lateral geniculate body and is the primary receptive area for vision |
Translationsoccipital lobe
occipital lobe[äk′sip·əd·əl ¦lōb] (anatomy) The posterior lobe of the cerebrum having the form of a three-sided pyramid. occipital 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.oc·cip·i·tal lobe of cer·e·brum [TA] the posterior, somewhat pyramid-shaped part of each cerebral hemisphere, demarcated by no distinct surface markings on the lateral convexity of the hemisphere from the parietal and temporal lobes, but sharply delineated from the parietal lobe by the parietooccipital sulcus on the medial surface. Synonym(s): lobus occipitalis [TA], occipital lobe [TA]occipital loben. The posterior lobe of each cerebral hemisphere, having the shape of a three-sided pyramid and containing the visual center of the brain.occipital lobe The rear lobe of the main brain (cerebral hemisphere). The occipital lobe is concerned with vision.occipital lobe the posterior area of the CEREBRAL HEMISPHERE lying behind the parietal lobe and responsible for the interpretation of visual stimuli from the retina.lobe, occipitalPortion of each cerebral hemisphere posterior to the parietal lobe where visual information is received and processing begins. See visual area.occipital lobe
Related to occipital lobe: frontal lobe, parietal lobe, temporal lobeSynonyms for occipital lobenoun that part of the cerebral cortex in either hemisphere of the brain lying in the back of the headSynonymsRelated Words- calcarine fissure
- calcarine sulcus
- cerebral cortex
- cerebral mantle
- cortex
- pallium
- occipital gyrus
- lobe
- area 17 of Brodmann
- Brodmann's area 17
- first visual area
- striate area
- striate cortex
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