| 释义 |
EncyclopediaSeePaul BrocaBroca area
Bro·ca cen·ter (brō-kah'), the posterior part of the inferior frontal gyrus of the left or dominant hemisphere, corresponding approximately to Brodmann area 44; Broca identified this region as an essential component of the motor mechanisms governing articulated speech. Synonym(s): Broca area, Broca field, motor speech centerBroca areaThe area of the left hemisphere of the brain at the posterior end of the inferior frontal gyrus. It contains the motor speech area and controls movements of tongue, lips, and vocal cords. Loss of speech may follow any stroke affecting this area. Synonym: Broca center; Broca convolution; motor speech area; speech center See: motor aphasiaSee also: Broca, Pierre-PaulBroca, Paul, French surgeon, neurologist, and anthropologist, 1824-1880. Broca angle - the angle formed at the basion of lines drawn from the nasion and the alveolar point; the angle formed by the intersection at the biauricular axis of lines drawn from the supraorbital point and the alveolar point; the posterior superior angle of the parietal bone. Synonym(s): Broca basilar angle; Broca facial angle; occipital angle of parietal boneBroca aphasia - any of the varieties of aphasia in which the power of expression by writing, speaking, or signs is lost. Synonym(s): motor aphasiaBroca area - Synonym(s): Broca centerBroca basilar angle - Synonym(s): Broca angleBroca center - the posterior part of the inferior frontal gyrus of the left or dominant hemisphere, essential component of the motor mechanisms governing articulated speech. Synonym(s): Broca area; Broca field; Brodmann area 44; motor speech centerBroca diagonal band - a white fiber bundle descending in the precommissural septum toward the base of the forebrain.Broca facial angle - Synonym(s): Broca angleBroca field - Synonym(s): Broca centerBroca fissure - the fissure surrounding Broca convolution.Broca formula - a fully developed man should weigh as many kilograms as he is centimeters in height over and above 1 meter.Broca parolfactory area - a small region of cerebral cortex on the medical surface of the frontal lobe demarcated from the subcallosal gyrus by the posterior parolfactory sulcus. Synonym(s): parolfactory areaBroca pouch - a pear-shaped encapsulated collection of connective tissue and fat in each labium majus. Synonym(s): pudendal sacBroca visual plane - a plane drawn through the visual axes of each eye. |