lobe

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lobe

1. any of the subdivisions of a bodily organ or part, delineated by shape or connective tissue
2. short for ear lobe
3. any of the loops that form part of the graphic representation in cylindrical coordinates of the radiation pattern of a transmitting aerial
4. any of the parts, not entirely separate from each other, into which a flattened plant part, such as a leaf, is divided

lobe

1. See antenna.

lobe

[lōb]
(biology)
A rounded projection on an organ or body part.
(design engineering)
A projection on a cam wheel or a noncircular gear wheel.
(electromagnetism)
A part of the radiation pattern of a directional antenna representing an area of stronger radio-signal transmission. Also known as radiation lobe.
(engineering acoustics)
A portion of the directivity pattern of a transducer representing an area of increased emission or response.
(hydrology)
A curved projection on the margin of a continental ice sheet.

lobe

A segment of a circle in tracery; a foil.

lobe

A curve representing the relative signal strength plotted against the position of the aerial with respect to a target. Side lobes are small lobes of energy radiated by radar aerials in diverging directions to the main beam—usually four, two at an angle of 7° from the main beam and two at angle of 90°. Side lobes may cause false weak echoes. An antenna pattern may have just one lobe, or it may have several lobes. Different lobes may have different magnitudes. The strongest lobe is called the main or major lobe. The weak lobes are called secondary or minor lobes.
References in periodicals archive ?
But it also revealed novel connections in patients with temporal lobe epilepsy, including two-way communications between the premotor and primary somatosensory cortex.
In an evaluation of 732 patients with TLE who had undergone temporal lobe surgery at the 12-month follow-up, memory decline was the most frequent cognitive adverse effect within the language-dominant hemisphere (11).
Age at onset of temporal lobe seizure and ApoE genotype polymorphism.
Pre-surgical predictors for psychiatric disorders following epilepsy surgery in patients with refractory temporal lobe epilepsy and mesial temporal sclerosis.
Many electrophysiological records showed that the results strongly suggest that the seizure-onset zone is located not in the temporal lobe but in the insular region (6,7,8).
In Figure 6, the initial CT of the vein of Labbe and transverse dural sinus thrombosis and hemorrhagic venous infarct was interpreted as right temporal lobe hemorrhage with subdural hematoma with concern for an underlying arteriovenous malformation.
Because there is a higher affinity for early uncal herniation and rapid neurological deterioration, any traumatic temporal lobe lesion imposes an enigma to every neurosurgeon.
Long term outcome of temporal lobe epilepsy surgery: analyses of 140 consecutive patients," Journal of Neurology Neurosurgery and Psychiatry, vol.
Research lead Frances Hutchings added: "Removal of brain tissue is often the final option for treatment of temporal lobe epilepsy but we know that it is not always effective.
Quantitative data like ages, distortion score of different regions (base of tongue, body of the mandible, hard palate, orbits/ globes, nasopharynx, pituitary gland, frontal lobe, temporal lobes and brainstem) was presented in the form of mean+ S.
More important, said Charyton, brainwave activity in people with epilepsy tended to synchronise more with the music, especially in the temporal lobe, than in people without epilepsy.
Insulin resistance and lower glucose uptake were especially robustly associated in the left medial temporal lobe (R2 = 0.