junction

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Related to Squamocolumnar Junction: Transformation Zone

junction

1. Electronics
a. a contact between two different metals or other materials
b. a transition region between regions of differing electrical properties in a semiconductor
2. a connection between two or more conductors or sections of transmission lines

junction

[′jəŋk·shən]
(civil engineering)
A point of intersection of roads or highways, especially where one terminates.
(electricity)
(electronics)
A region of transition between two different semiconducting regions in a semiconductor device, such as a pn junction, or between a metal and a semiconductor.
(electromagnetism)
A fitting used to join a branch waveguide at an angle to a main waveguide, as in a tee junction. Also known as waveguide junction.

junction

The point at which two elements make contact. In a transistor, a junction is the point where an N-type material makes contact with a P-type material.
References in periodicals archive ?
The squamocolumnar junction is readily visible by the second trimester.
Less often, an enlarged gastric fold near the squamocolumnar junction, also called the sentinel fold, is seen in reflux esophagitis.
001), and were more likely to have the postoperative squamocolumnar junction positioned in the endocervical canal (32.
On repeat anoscopy, an ulcerated polypoid mass measuring 1 cm, involving the distal rectum at the 9 o'clock position with extension into the squamocolumnar junction, was seen.
14] The rationale for use of this cryoprobe is based on the theories that the flat probe, when compared with the cone-shaped probe tip, will not reposition the squamocolumnar junction within the endocervical canal following cryosurgery and that cervical stenosis will be minimized.
Also, it is less likely that the squamocolumnar junction and transformation zone will be adequately visualized by cervicography.
Cervicography, like colposcopy, is most useful in young women in whom the full squamocolumnar junction and transformation zone can be visualized, in women considered at higher risk of cervical neoplasia, and in conjunction with the Pap smear.