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Circular muscle that normally maintains constriction of a natural body passage or orifice
Look up sphincter in Wiktionary, the free dictionary. A sphincter is a circular muscle that normally maintains constriction of a natural body passage
Sphincter
Vertebrate organ through which food passes to the stomach
third. It has two muscular rings or sphincters in its wall, one at the top and one at the bottom. The lower sphincter helps to prevent reflux of acidic
Esophagus
Muscles keeping urine in the bladder
urethral sphincter and the internal urethral sphincter. When either of these muscles contracts, the urethra is sealed shut. The external urethral sphincter originates
Urethral_sphincters
Flat plane of skeletal muscle fibers
The external anal sphincter (or sphincter ani externus) is an oval tube of skeletal muscle fibers. Distally, it is adherent to the skin surrounding the
External_anal_sphincter
External opening of the rectum
external opening of the rectum located inside the intergluteal cleft. Two sphincters control the exit of feces from the body during an act of defecation, which
Human_anus
Ring of smooth muscle that surrounds part of the anal canal
The internal anal sphincter, IAS, or sphincter ani internus is a ring of smooth muscle that surrounds about 2.5–4.0 cm of the anal canal. It is about 5 mm
Internal_anal_sphincter
Proposed human anatomical structure
rectosigmoid sphincter or sphincter of O'Beirne, is the junction of the sigmoid colon and the rectum. The rectosigmoid sphincter, also known as the sphincter of
Rectosigmoid_junction
Digestive organ
is located between the esophagus and the small intestine. The pyloric sphincter controls the passage of partially digested food (chyme) from the stomach
Stomach
Medical condition
Sphincter paralysis is paralysis of one of the body's many sphincters, preventing it from constricting normally. Case studies have shown patients may
Sphincter_paralysis
Part of the female reproductive tract
Champaneria R, Kapoor DS, Latthe PM (October 2016). "Obstetric anal sphincter injuries after episiotomy: systematic review and meta-analysis". International
Vagina
Colored part of an eye
stroma, pigmented epithelial cells. The stroma is connected to a sphincter muscle (sphincter pupillae), which contracts the pupil in a circular motion, and
Iris_(anatomy)
Urethral sphincter muscle which constricts the internal urethral orifice
The internal urethral sphincter is a urethral sphincter muscle which constricts the internal urethral orifice. It is located at the junction of the urethra
Internal_urethral_sphincter
Part of the stomach that connects to the duodenum
the duodenum. The orifice is surrounded by a sphincter, a band of muscle, called the pyloric sphincter. The word pylorus comes from Greek πυλωρός, via
Pylorus
Muscular valve in the duodenum
The sphincter of Oddi (SO) [pronunciation?] (also hepatopancreatic sphincter or Glisson's sphincter), is a sphincter, a muscular valve that, in humans
Sphincter_of_Oddi
Medical condition
Fowler's syndrome (urethral sphincter relaxation disorder) is a rare disorder in which the urethral sphincter fails to relax to allow urine to be passed
Fowler's_syndrome
Sphincter muscle valve
The ileocecal valve is a sphincter muscle valve that separates the small intestine and the large intestine. Its critical function is to limit the reflux
Ileocecal_valve
Topics referred to by the same term
Sphincter ani may refer to: External anal sphincter, sphincter ani externus Internal anal sphincter, sphincter ani internus This disambiguation page lists
Sphincter_ani
Muscle in the eye which constricts the pupil
The iris sphincter muscle (pupillary sphincter, pupillary constrictor, circular muscle of iris, circular fibers) is a muscle in the part of the eye called
Iris_sphincter_muscle
Functional segment of the large intestine
bowel, it functions to regulate release of feces by two muscular anal sphincter complexes. The anus is the aperture at the terminal portion of the anal
Anal_canal
Index of articles associated with the same name
Anal sphincter muscles may refer to: External anal sphincter Internal anal sphincter This set index article includes a list of related items that share
Anal_sphincter_muscles
Sphincter in the human digestive system
The sphincter of Boyden (also known as the choledochal sphincter) is a sphincter located in the common bile duct before it joins with the pancreatic duct
Sphincter_of_Boyden
Muscle of the human male urethra
The external sphincter muscle of the male urethra, also sphincter urethrae membranaceae, sphincter urethrae externus, surrounds the whole length of the
External sphincter muscle of male urethra
External_sphincter_muscle_of_male_urethra
Tube that connects the urinary bladder to the external urethral orifice
The external urethral sphincter is a striated muscle that allows voluntary control over urination. The internal urethral sphincter, formed by the involuntary
Urethra
Topics referred to by the same term
External sphincter muscle of urethra can refer to: external sphincter muscle of male urethra external sphincter muscle of female urethra This disambiguation
External sphincter muscle of urethra
External_sphincter_muscle_of_urethra
Band of smooth muscle that adjusts blood flow into capillaries
A precapillary sphincter is a band of contractile mural cells either classified as smooth muscle or pericytes that adjusts blood flow into capillaries
Precapillary_sphincter
Muscle of the human female urethra
The external sphincter muscle of the female urethra is a muscle which controls urination in females. The muscle fibers arise on either side from the margin
External sphincter muscle of female urethra
External_sphincter_muscle_of_female_urethra
Uncontrolled leakage of urine
Stress incontinence due to "a poorly functioning urethral sphincter muscle (intrinsic sphincter deficiency) or to hypermobility of the bladder neck or urethra"
Urinary_incontinence
Medical condition
Oddi: functional biliary sphincter of Oddi and functional pancreatic sphincter of Oddi disorder. The sphincter of Oddi is a sphincter muscle, a circular band
Sphincter_of_Oddi_dysfunction
Medical device
urinary sphincter that restricts urine flow out of the bladder. There are two types of artificial urinary sphincters: The artificial urinary sphincter with
Artificial_urinary_sphincter
Redirection of ejaculated semen into the urinary bladder
ejaculated via the urethra is redirected to the urinary bladder. Normally, the sphincter of the bladder contracts before ejaculation, inhibiting urination and
Retrograde_ejaculation
Medical condition
of the anus (corrugator cutis ani, the internal anal sphincter and the external anal sphincter) The medial muscles of the urogenital region (the superficial
Perineal_tear
2005 film by James McTeigue
V for Vendetta is a 2005 dystopian thriller film directed by James McTeigue from a screenplay by the Wachowskis. It was McTeigue's directorial debut. It
V_for_Vendetta_(film)
Organ duct
smooth muscle sphincters regulate the flow of bile and pancreatic juice through the ampulla: the sphincter of the pancreatic duct, the sphincter of the bile
Ampulla_of_Vater
Disturbance of muscular coordination
dyssynergia include Ramsay Hunt syndrome type 1, bladder sphincter dyssynergia, and anal sphincter dyssynergia. Dyssynergia can be caused by disruption or
Dyssynergia
Inability to refrain from defecation
complications from prior anorectal surgery (especially involving the anal sphincters or hemorrhoidal vascular cushions), altered bowel habits (e.g., caused
Fecal_incontinence
Release of urine from the urinary bladder
internal urethral sphincter, although they do not encircle the urethra. Further along the urethra is a sphincter of skeletal muscle, the sphincter of the membranous
Urination
Form of urinary incontinence from an inadequate closure of the bladder
It is due to inadequate closure of the bladder outlet by the urethral sphincter. Stress incontinence is the loss of small amounts of urine associated
Stress_incontinence
Human male external reproductive organ
corpus spongiosum) lies the external sphincter muscle, which relaxes during urination. This is a small sphincter of striated muscle tissue and is in healthy
Human_penis
Disease of the anus
anal glands, which are located between the internal and external anal sphincter and drain into the anal canal. If the outlet of these glands becomes blocked
Anal_fistula
Failure to relax the pelvic floor muscles during defecation
end of the internal anal sphincter. The internal anal sphincter forms the walls of the anal canal. The internal anal sphincter is not under voluntary control
Anismus
Medical condition
Pseudodyssynergia (or detrusor sphincter pseudodyssynergia) is an urological condition involving contraction of the male or female external sphincter during voiding.
Pseudodyssynergia
Intrinsic muscles of the eye
three intrisic ocular muscles: the ciliary muscle, pupillary sphincter muscle (sphincter pupillae) and pupillary dilator muscle (dilator pupillae). All
Intraocular_muscles
Main nerve of the perineum
muscles, including the male or female external urethral sphincter and the external anal sphincter. If damaged, most commonly by childbirth, loss of sensation
Pudendal_nerve
Flow of stomach contents into the esophagus
medicines. Acid reflux is due to poor closure of the lower esophageal sphincter, which is at the junction between the stomach and the esophagus. Diagnosis
Gastroesophageal reflux disease
Gastroesophageal_reflux_disease
Penetrative sexual activity for reproduction or sexual pleasure
stimulation. Anal sex involves stimulation of the anus, anal cavity, sphincter valve or rectum; it most commonly means the insertion of a man's penis
Sexual_intercourse
Contraction of the external anal sphincter
external anal sphincter upon stroking of the skin around the anus. A noxious or tactile stimulus will cause a wink contraction of the anal sphincter muscles
Anal_wink
Abnormal vocal sound due to excess airflow through the nose during speech
resulting from an incomplete closure of the soft palate and/or velopharyngeal sphincter (velopharyngeal insufficiency). In normal speech, nasality is referred
Hypernasal_speech
Sex toy that is designed to be inserted into the rectum
cone which then narrows to a "waist" which locates itself at the anal sphincter, with the flared part outside the body, preventing the butt plug from
Butt_plug
Inability of the sphincter between the esophagus and stomach to open
of smooth muscle fibers to relax, which can cause the lower esophageal sphincter to remain closed. Without a modifier, "achalasia" usually refers to achalasia
Esophageal_achalasia
Broad, thin muscle group, situated on either side of the pelvis
A.C. Anal canal. L.A. Levator ani. I.S. Internal anal sphincter. E.S External anal sphincter. 3D medical illustration presenting levator ani Right hip
Levator_ani
Final portion of the large intestine
pass feces, a process called defecation. An internal and external anal sphincter, and resting contraction of the puborectalis, prevent leakage of feces
Rectum
Medical condition
Bladder sphincter dyssynergia (also known as detrusor sphincter dyssynergia (DSD) (the ICS standard terminology agreed 1998) and neurogenic detrusor overactivity
Bladder_sphincter_dyssynergia
Digestive system in humans
of sphincters in the GI tract are also involved in digestion, including those of the esophagus (esophageal sphincters) and stomach (pyloric sphincter).
Human_digestive_system
Passage between the soft palate and pharynx
The velopharyngeal port or velopharyngeal sphincter is the passage between the nasopharynx and the oropharynx, i.e. within the velopharynx (the anatomical
Velopharyngeal_port
Mixture of food and saliva formed by chewing
preventing the bolus from entering the respiratory tract. The upper esophageal sphincter relaxes to allow the bolus into the esophagus. It is then propelled downward
Food_bolus
Protrusion of the walls of the rectum outside the body
This classification also takes into account sphincter relaxation: Grade I: nonrelaxation of the sphincter mechanism (anismus) Grade II: mild intussusception
Rectal_prolapse
Gastrointestinal duct
duct to form the ampulla of Vater (hepatopancreatic ampulla). Its sphincter the sphincter of Oddi, enables the regulation of bile flow. The bile duct is
Common_bile_duct
American political aide (born 1971)
in the student paper, The College Voice, referred to Spicer as "Sean Sphincter"; Spicer submitted a complaint to the paper and followed up by pushing
Sean_Spicer
Medical condition
cricopharyngeus muscle is the major muscle comprising the upper esophageal sphincter (UES). It is a strap-like, C-shaped muscle at the base of the throat behind
Retrograde cricopharyngeus dysfunction
Retrograde_cricopharyngeus_dysfunction
Body reflex
characterized by a transient involuntary relaxation of the internal anal sphincter in response to distention of the rectum. The RAIR provides the upper anal
Rectoanal_inhibitory_reflex
Swiss-based penile surgical implant manufacturer
device manufacturer that produces and distributes artificial urinary sphincters and penile implants worldwide. ZSI products are used in the management
Zephyr_Surgical_Implants
Physiological response that varies the size of the pupil
sympathetic nervous system (SNS), contract, and also when the cells of the iris sphincter muscle relax. The responses can have a variety of causes, from an involuntary
Pupillary_response
Medical intervention
rest of the fistulous tract, and suturing of the defect at the external sphincter muscle. The procedure was developed by Thai colorectal surgeon, Arun Rojanasakul
LIFT_technique
Semen discharge from the male reproductive tract
pubococcygeus muscles, while the internal urethral sphincter stays shut and the external urethral sphincter is relaxed. These rhythmic contractions are part
Ejaculation
Surgical incision of the perineum and the posterior vaginal wall
may involve the anal sphincter and rectum. Tears can involve the perineal skin or extend to the muscles and the anal sphincter and anus. The midwife
Episiotomy
Medical intervention
general groups. Restoration and improvement of residual sphincter function sphincteroplasty (sphincter repair) Correction of anorectal deformities that may
Surgical management of fecal incontinence
Surgical_management_of_fecal_incontinence
may or may not contain a functioning sphincter and patent duct. When present, the sphincter is known as the sphincter of Helly, and the duct as the accessory
Minor_duodenal_papilla
Region of the body between the genitals and anus
point, many muscles converge and are attached, including: External anal sphincter Bulbospongiosus muscle Superficial transverse perineal muscle Deep transverse
Perineum
Musical artist
Stephen Sphincter was an early Gwar character, played by Ron Curry, who then recorded six albums on SST Records with Hotel X. His on-stage brother was
Stephen_Sphincter
Medical intervention
anal sphincter muscle for the treatment of a chronic anal fissure. The internal anal sphincter is one of two muscles that comprise the anal sphincter which
Lateral internal sphincterotomy
Lateral_internal_sphincterotomy
Pathological condition of the eye
polycoria, there is an intact sphincter muscle, which contracts and dilates the pupils. In an eye without polycoria, the sphincter muscle is a part of the iris
Polycoria
Bladder disorder due to disease or injury of the nervous system
urethral sphincter do not work together and are usually tightly contracted at the same time. This phenomenon is also called detrusor external sphincter dyssynergia
Neurogenic bladder dysfunction
Neurogenic_bladder_dysfunction
Radially symmetrical contraction and relaxation of muscles
the cardiac sphincter (gastroesophageal sphincter) opens, allowing the passage of bolus into the stomach. The gastroesophageal sphincter normally remains
Peristalsis
Hash function that is suitable for use in cryptography
Hashing is a one-directional mathematical operation which is quick to calculate, yet hard to reverse. So password storage and digital signatures benefit
Cryptographic_hash_function
Tube attached to the intestine
be used to access the colon in children with paralysed bowels or major sphincter dysfunction. The appendix is lifted from the abdomen, and a catheter can
Appendix_(anatomy)
Organ in the gastrointestinal tract
into the duodenum through the pylorus by a muscle called the pyloric sphincter. The small intestine is where most chemical digestion takes place. Many
Small_intestine
Muscle of the bladder that expels urine
stores urine. During urination, the detrusor contracts while the urethral sphincters relax to release urine through the urethra. The fibers of the detrusor
Detrusor_muscle
Group of neurons
muscles of the rectum and urethral sphincters. The neurons of Onuf's nucleus are responsible for controlling external sphincter muscles of the anus and urethra
Onuf's_nucleus
Sexual penetration of the urethra
also reportedly resulted in a complete and permanent loss of urethral sphincter control (urinary incontinence); furthermore such intercourse presents
Urethral_intercourse
Sexual activity involving the anus and rectum
the activity. By contrast, each person's sphincter muscles react to penetration differently; the anal sphincters have tissues that are more prone to tearing
Anal_sex
Last part of the digestive system in vertebrates
valves Anal sinuses Pectinate line Internal anal sphincter Anocutaneous line External anal sphincter Wall Serosa / Adventitia Subserosa Muscular layer
Large_intestine
one's sphincter muscles (eye muscle: orbicularis oculi and mouth muscle: orbicularis oris), the contractions would also strengthen the sphincter muscles
Paula_method
Muscle layer in the anal canal
wall of the anal canal between the internal anal sphincter (deep to CLM) and external anal sphincter (superficial to CLM). It is continuous proximally
Conjoint_longitudinal_muscle
Excessive dilation of the pupil
iris sphincter, composed of circularly arranged muscle fibers, and the iris dilator, composed of radially arranged muscle fibers. The sphincter is controlled
Mydriasis
Topics referred to by the same term
External sphincter muscle may refer to: External anal sphincter External sphincter muscle of female urethra External sphincter muscle of male urethra
External_sphincter_muscle
Folds near the larynx
The aryepiglottic folds are triangular folds of mucous membrane of the larynx. They enclose ligamentous and muscular fibres. They extend from the lateral
Aryepiglottic_fold
Superficial muscle of the perineum
bulbospongiosus muscle, superficial transverse perineal muscle, and external anal sphincter muscle converge to form this major supportive structure of vagina and
Bulbospongiosus_muscle
Inability of bile to move through the biliary tract
biliary outlet into the duodenum just as increased tonus of that outlet sphincter of Oddi, the backed-up bile can cause pancreatic injury with abdominal
Biliary_dyskinesia
Italian physiologist and anatomist
anatomist who was a native of Perugia. He is most well known for the sphincter of Oddi, which was named after him. He studied medicine at Perugia, University
Ruggero_Oddi
External genitalia of the female mammal
the urethral opening during urination through control of the external sphincter muscle), sweat (from the apocrine glands), menses (leaving from the vagina
Vulva
lower end of the rectum, and is distributed to the sphincter ani externus (external anal sphincter, EAS) and to the integument (skin) around the anus
Inferior_anal_nerves
Use of fingers to sexually stimulate
and because of the added stimulation gained from stretching the anal sphincter muscles while inserting the finger. A personal lubricant is advisable
Fingering_(sexual_act)
Intense physical sensation of sexual release
from the contractions of pelvic floor muscles that begin in the anal sphincters (IAS, EAS) and travel to the tip of the penis, commonly described as a
Orgasm
American drummer
Born Jim Thomson, in Alexandria, Virginia, he first took the name Hans Sphincter, and assumed his current name in 1987. Thomson left due to touring commitments
Hans_Orifice
Medical test
assess motor function of the upper esophageal sphincter (UES), esophageal body and lower esophageal sphincter (LES). An EMS is typically done to evaluate
Esophageal_motility_study
Failure of the soft palate to prevent airflow through the nose during speech
is chosen the most from the palatoplasties is the pharyngeal flap or sphincter palatoplasty. When a pharyngeal flap is used, a flap of the posterior
Velopharyngeal_insufficiency
Use of endoscopy and fluoroscopy to treat and diagnose digestive issues
Biliary endoscopic sphincterotomy is a procedure where the sphincter of Oddi and the segment of the common bile duct where it enters the duodenum are
Biliary endoscopic sphincterotomy
Biliary_endoscopic_sphincterotomy
Surgical cutting of the anal sphincter muscles
involves treating mucosal fissures from the anal canal/sphincter. The word is formed from sphincter + otomy (to cut, to separate). The surgery can be performed
Anal_sphincterotomy
Medical condition
the intestinal muscles push the contents backwards through the pyloric sphincter into the stomach, where they are then vomited. Fecal vomiting can also
Fecal_vomiting
Break or tear in anal canal skin
most common cause of impaired healing is spasming of the internal anal sphincter muscle. The high anal pressure resulting from spasm can impair blood supply
Anal_fissure
SPHINCTER
SPHINCTER
SPHINCTER
SPHINCTER
Female
Swedish
Swedish and Norwegian form of Old Norse ValdÃs, VALDIS means "goddess of the slain in battle."
Boy/Male
Arabic, Indian, Muslim
Clouds at Night
Girl/Female
Hindu, Indian
Bright; Lighted
Female
Italian
Feminine form of Italian Goffredo, GIOFFREDA means "God's peace."
Boy/Male
Hindu
Splendid, A hero, Bright, Shining, Crystal, Brilliant
Boy/Male
Gujarati, Hindu, Indian, Kannada
Love
Girl/Female
Muslim/Islamic
Love
Boy/Male
Arabic, Australian, Muslim
Servant of the Benefactor; Slave of the Generous
Girl/Female
Hindu, Indian
Hyper
Girl/Female
Bengali, Indian
Type of Song which is Sung in Monsoon Time
SPHINCTER
SPHINCTER
SPHINCTER
SPHINCTER
SPHINCTER
n.
A muscle which contracts or closes an orifice, or which compresses an organ; a sphincter.
a.
Of, pertaining to, or designating, a sphincter; as, a sphincter muscle.
n.
A muscle which surrounds, and by its contraction tends to close, a natural opening; as, the sphincter of the bladder.
n.
Inversion and prolapse of the mucous coat of the rectum, from relaxation of the sphincter, with more or less swelling; prolapsus ani.