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gate 1

1. A structure that can be swung, drawn, or lowered to block an entrance or a passageway.
a. An opening in a wall or fence for entrance or exit.
b. The structure surrounding such an opening, such as the monumental or fortified entrance to a palace or walled city.
a. A doorway or walkway in a terminal, as at an airport, through which passengers proceed when embarking or disembarking.
b. A waiting area inside a terminal, abutting such a doorway or walkway.
4. A means of access: the gate to riches.
5. A mountain pass.
6. The total paid attendance or admission receipts at a public event: a good gate at the football game.
7. A device for controlling the passage of water or gas through a dam or conduit.
8. The channel through which molten metal flows into a shaped cavity of a mold.
9. Sports A passage between two upright poles through which a skier must go in a slalom race.
10. A logic gate.
tr.v. gat·ed, gat·ing, gates
1. Chiefly British To confine (a student) to the grounds of a college as punishment.
2. Electronics To select part of (a wave) for transmission, reception, or processing by magnitude or time interval.
3. To furnish with a gate: "The entrance to the rear lawn was also gated" (Dean Koontz).
get the gate Slang
To be dismissed or rejected.
give (someone) the gate Slang
1. To discharge from a job.
2. To reject or jilt.

[Middle English, from Old English geat.]

gate 2

n. Archaic
1. A path or way.
2. A particular way of acting or doing; manner.

[Middle English, from Old Norse gata; see ghē- in Indo-European roots.]


(ˈgeɪ tɪŋ)

the process by which a channel in a cell membrane opens or closes.
References in periodicals archive ?
Deviceless 4D assesses motion without an external respiratory gating device, another unique feature of the Discovery RT system designed to improve workflow and patient comfort with no compromise to accuracy and precision.
Clinicians use respiratory gating to compensate for breathing motion during treatments for lung or breast cancer.
Most of these patients have needed treatment for prostate or head and neck cancer, although doctors at HDF have also commenced breast cancer treatments using respiratory gating, where the beam automatically switches on and off in tandem with the patient's breathing cycle, it said.
In cases where the patient is unable to hold his/her breath, respiratory gating can also be incorporated, either using a belt around the abdomen or by monitoring the liver-lung interface during the MRI scan.
Where patients are unable to hold their breath, respiratory gating can also be incorporated, either using a belt around the abdomen or monitoring the liver-lung interface using navigator echoes, which are incorporated in some MRI pulse sequences.
This new expertise will increase the range of radiation treatments available at the Leon-Berard Cancer Center, which already include respiratory gating radiation therapy, extracranial stereotactic radiation therapy, interstitial brachytherapy, intensity modulated conformal radiotherapy (IMRT), and total body irradiation (TBI).
Respiratory gating has been used in some centres as a means of compensating for chest movements that naturally occur during respiration [21,22].
We already have built in the ability to export a radiotherapy (RT) structure set for RT planning, but I believe the next step is to bring in more of these pieces, including respiratory gating and full simulation capability.
Varian Medical Systems announced that it received FDA clearance for patient position monitoring capabilities added to the company's Real-time Position Management (RPM) Respiratory Gating System, which synchronizes imaging and radiation therapy treatment with a patient's respiratory cycle.
Palo Alto CA) won approval for its RPM respiratory gating system, which is used to synchronize imaging and radiation therapy treatment with a patient's respiratory cycle.
VitalBeam will be available in a basic package with an 80-leaf collimator for intensity-modulated radiation therapy (IMRT), low-dose megavoltage (MV) imaging using the accelerator beam for image guidance, and respiratory gating for motion management.

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