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Colposcope Transformation zone types: [11] Type 1: Completely ectocervical (common under hormonal influence). Type 2: Endocervical component but fully visible (common before puberty). Type 3: Endocervical component, not fully visible (common after menopause). During the initial evaluation, a medical history is obtained.
Transformation zone types, determining the Pap test location: [66] Type 1: Completely ectocervical. Type 2: Endocervical component but fully visible. Type 3: Endocervical component, not fully visible. Cervix in relation to upper part of vagina and posterior portion of uterus. Squamous metaplasia of the cervix, with typical features. Pap stain.
The cervical transformation zone and lesion are excised to an adequate depth, which in most cases is at least 8 mm, and extending 4 to 5 mm beyond the lesion. A second pass with a more narrow loop can also be done to obtain an endocervical specimen for further histologic evaluation.
The squamocolumnar junction, where the columnar secretory epithelium of the endocervical canal meets the stratified squamous covering of the ectocervix, is located at the external os before puberty. As estrogen levels rise during puberty, the cervical os opens, exposing the endocervical columnar epithelium onto the ectocervix. This area of ...
Type 3: Endocervical component, not fully visible (common after menopause). In prepubertal girls, the functional squamocolumnar junction is present just within the cervical canal. [ 17 ] : 411 Upon entering puberty, due to hormonal influence, and during pregnancy, the columnar epithelium extends outward over the ectocervix as the cervix everts.
Just one fly can lay up to 300 eggs at a time and is drawn "to the odor of a wound or natural opening on a live, warm-blooded animal."
Getting a good night's sleep can be a little more challenging amid the hype of the holidays. With changes in routine, diet and potentially time zones, quality sleep could be difficult to come by ...
Scientists thought that Lake Enigma was frozen from top to bottom. Then they discovered that water—and mysterious lifeforms—existed 11 meters below the surface.