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The '''frenulum of the foreskin''', often known simply as the '''frenulum''', is an elastic band of tissue under the [[glans penis]] that connects the [[foreskin]] (prepuce) to the vernal mucosa, and helps contract the foreskin over the glans.<refrefname="Jensen">{{REFbook
|last=Jensen
|first=Christian
|note=
}}</ref> The frenular artery passes through the frenulum.
Rarely, boys are born without a frenulum. This condition causes no issues and permits unusually full retraction of the foreskin.
==Sensation and stimulation==
}}</ref>Repeated stimulation of this structure will cause orgasm and ejaculation in some men.
In men with spinal cord injury preventing sensations from reaching the brain, the frenulum just below the glans can be stimulated to produce orgasm and peri-ejaculatory response.<refname="Saulino">{{REFjournal
|last=Saulino
|first=Michael F.
|DOI=
|accessdate=2019-10-01
}}</ref><refname="Pryor">{{REFjournal
|last=Pryor
|first=JL
|pubmedCID=
|DOI=10.1016/S0003-9993(95)80044-1
|accessdate=
}}</ref> <ref name="Gary2000">{{REFjournal
|last=Preiser
|first=Gary
|coauthors=Herschel, M.; Bartman, T.; Andersson, C.; Bailis, S.A.; Shechet, R.J.; Tanenbaum, B.; Kunin, S.A.; Hodges, F.M.; Fleiss, P.M.; Antonopoulos, J.; Rockney, R.; Taylor, A.; Stang, H.; Snellman, L.; Fontaine, P.; Condon, L.M.; Lannon, C.M.
|title=Circumcision—The Debates Goes On
|journal=Pediatrics
|date=2000
|volume=105
|issue=3 Pt 1
|pages=681-684
|url=
|quote=
|pubmedID=10733391
|pubmedCID=
|DOI=10.1542/peds.105.3.681
|accessdate=
}}</ref>
==Pathology==
[[Frenulum breve]] is a condition in which the frenulum is short and restricts the movement of the foreskin, which may or may not interfere with normal sexual activity. Frenulum breve may be treated by manually expanding the shaft skin by stretching.{{Citation needed|date=June 2010}} The condition can may also be treated by frenuloplasty, or frenectomy, or [[circumcision]]. Frenulum breve may contribute to frenular chordee, where the glans is pulled toward the vernal body of the penis. Frenulum breve may also be treated by manually expanding the shaft skin by stretching.{{Citation needed|date=June 2010}}
The frenulum may be entirely missing in cases of first degree [[hypospadias]].
It is possible for the frenulum to tear during sexual activities. The frenular artery, a branch of the dorsal artery, may be severed, causing significant bleeding.
In the event of [[frenulum breve]] or frenular chordee, or to ensure that the glans can be freely and completely exposed, the frenulum may be partially or totally removed. It is also often removed in a [[circumcision]].<ref name="pmid2305537Griffin-Kroovand1990">{{REFjournal
|last=Griffin AS, Kroovand RL
|first=
|DOI=10.1016/0090-4295(90)80060-Z
|accessdate=
}}</ref><ref name="pmid10733391Gary2000">{{REFjournal
|last=Preiser
|first=Gary