lobe


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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
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.
2. A rounded projecting part, as the lobe of the ear.
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)
n.
1. A rounded projection, especially a rounded, projecting anatomical part: the lobe of an ear.
2. A subdivision of a bodily organ or part bounded by fissures, connective tissue, or other structural boundaries.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

lobe

1. A subdivision of an organ–eg, liver–2 lobes; lung–2 lobes left, 3 lobes right; breast–15-20 lobes; brain–2 lobes, divided by fissures, connective tissue or other natural boundaries. See Temporal lobe.
2. A rounded projecting portion, such as the lobe of the ear.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

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] .
2. A rounded projecting part, as the lobe of the ear.
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]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

lobe

A well-defined subdivision of an organ. Many organs, such as the brain, the lung, the liver, the pituitary, the thyroid gland and the prostate gland, are divided into lobes.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

lobe

(lōb) [TA]
1. One of the larger divisions of tooth crown, formed from a distinct point of calcification.
2. One of the subdivisions of an organ or other part, bounded by fissures, sulci, connective tissue septa, or other structural demarcations.
[G. lobos, lobe]
Medical Dictionary for the Dental Professions © Farlex 2012
References in periodicals archive ?
Compared to the normal elderlies, ReHo values decreased in aMCI patients in the left temporal lobe (middle temporal gyrus and inferior temporal gyrus), left parahippocampal gyrus, occipital lobe, lingual gyrus, precuneus, and other regions.
In Figure 1E, pyramidal lobe was found detaching from the right lobe of thyroid gland and isthmus while the separation was observed on the left side of thyroid gland and isthmus in Figure 1F.
The incidence of pyramidal lobe is significantly higher in thyroidectomy cases.
Computed tomography and magnetic resonance imaging of her head showed a well-defined cystic lesion with a wall and septation within the left frontal lobe (Figure).
Incredibly, Gage survived the accident, but a huge area of his frontal lobe was completely destroyed and his personality changed dramatically.
% (1) Right Lobe 15 83.33 18 72 (2) Left Lobe 3 16.67 5 20 (3) Both Lobe 0 0 2 8 In the study of Kumar [2] et al, right lobe was most commonly affected to be followed by left lobe involvement.
Two confluent nodules were noted in the subcutaneous tissue plane extending through the deep fascia between the strap muscles to the calcified left lobe nodule.
2 (hemisphere: left versus right hemisphere) x 4 (lobe: frontal, parietal, temporal, and occipital) x 4 (type: ellipse, triangle, smiling face, and angry face) within-group repeated-measures ANOVAs were done separately for the six early ERP components (N1, P1, N2, P2, N3, and P3).
Presence of anechoic non-vascular mass in left medial hepatic lobe. A2) Image -guided drainage of mass content, syringes with content drained and mass appearance after left lobectomy.
Fifteen of these were taken from healthy population with the age range of 20-30 years (Mean = 25.7 SD = 4.6) and 40 participants were medically documented patients of frontal lobe injury of mild (20) to moderate (20) severity.
These activities all exercise the occipital lobe, the temporal lobe the temporal sulcus and the amygdala parts of the brain, responsible for visual recognition and short-term memory.
In general, the rejection is achieved by synthesizing an array with low side lobe level or pointing the nulls towards the directions of interfering signals or clutter returns.