Medical term:
lobus
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 gray matter of each 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 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 gray matter of each 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 cerebral hemisphere.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
lobe
(lōb), [TA]1. One of the subdivisions of an organ or other part, bounded by fissures, sulci, connective tissue septa, or other structural demarcations.
See also: lobule.
See also: lobule.
2. A rounded projecting part, as the lobe of the ear.
See also: lobule.
See also: lobule.
3. One of the larger divisions of the crown of a tooth, formed from a distinct point of calcification.
Synonym(s): lobus [TA]
[G. lobos, lobe]
Farlex Partner Medical Dictionary © Farlex 2012
lobe
(lōb) [TA]1. One of the subdivisions of an organ or other part, bounded by fissures, connective tissue, septa, or other structural demarcations.
Synonym(s): lobus [TA] .
Synonym(s): lobus [TA] .
2. A rounded projecting part, as the lobe of the ear.
See also: lobule
See also: lobule
3. One of the larger divisions of the crown of a tooth, formed from a distinct point of calcification.
Synonym(s): lobus [TA] .
Synonym(s): lobus [TA] .
[G. lobos, lobe]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
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