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  • Title: Protective role of the glans penis during coitus.
    Author: Hatzichristou DG, Tzortzis V, Hatzimouratidis K, Apostolidis A, Moysidis K, Panteliou S.
    Journal: Int J Impot Res; 2003 Oct; 15(5):337-42. PubMed ID: 14562134.
    Abstract:
    To examine the hypothesis that the glans penis acts protectively, absorbing forces, during coitus. Five potent patients (mean age 46.8+/-9.7 y), who had indication for surgical excision of the glans for penile carcinoma were included in the present study. Intraoperatively, intracavernosal pressure (ICP) was adjusted by saline infusion and maintained by a pressure feedback infusion pump to a pressure value of 70 mmHg. Using a dynamometer, an external compressive force of 0.5 kg was applied at the glans penis and the changes in ICP were monitored. Measurements were repeated after surgical excision of the glans. Significant ICP changes were noticed in all patients after excision of the glans. Mean preoperative ICP was 161+/-11.5 mmHg, while after glansectomy it reached 206.6+/-13 mmHg. DeltaICP was 45.8+/-10.57 mmHg. Two of the patients' partners reported pain during intercourse postoperatively, possibly due to the impact of the force applied by the rigid corpora cavernosa on the anterior vaginal wall without any absorption by the glans. The glans penis restricts the increase in ICP during sexual intercourse, playing a protective role for both the corpora cavernosa and the female genitalia.
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