inguinal canal


Also found in: Dictionary, Thesaurus, Legal, Encyclopedia, Wikipedia.
Related to inguinal canal: inguinal hernia, femoral canal

canal

 [kah-nal´]
a relatively narrow tubular passage or channel.
adductor canal Hunter's canal.
Alcock's canal a tunnel formed by a splitting of the obturator fascia, which encloses the pudendal vessels and nerve.
alimentary canal see alimentary canal.
anal canal the terminal portion of the alimentary canal, from the rectum to the anus.
atrioventricular canal the common canal connecting the primordial atrium and ventricle; it sometimes persists as a congenital anomaly.
birth canal the canal through which the fetus passes in birth.
carotid canal one in the pars petrosa of the temporal bone, transmitting the internal carotid artery to the cranial cavity.
cervical canal the part of the uterine cavity lying within the cervix.
condylar canal an occasional opening in the condylar fossa for transmission of the transverse sinus; called also posterior condyloid foramen.
canal of Corti a space between the outer and inner rods of Corti.
femoral canal the cone-shaped medial part of the femoral sheath lateral to the base of Gimbernat's ligament.
haversian canal any of the anastomosing channels of the haversian system in compact bone, containing blood and lymph vessels, and nerves.
Hunter's canal a fascial tunnel in the middle third of the medial part of the thigh, containing the femoral vessels and saphenous nerve. Called also adductor canal.
hypoglossal canal an opening in the occipital bone, transmitting the hypoglossal nerve and a branch of the posterior meningeal artery; called also anterior condyloid foramen.
infraorbital canal a small canal running obliquely through the floor of the orbit, transmitting the infraorbital vessels and nerve.
inguinal canal the oblique passage in the lower anterior abdominal wall on either side, through which passes the round ligament of the uterus in the female, and the spermatic cord in the male.
medullary canal
optic canal a passage for the optic nerve and ophthalmic artery at the apex of the orbit; called also optic foramen.
pulp canal root canal.
root canal that part of the pulp cavity extending from the pulp chamber to the apical foramen. Called also pulp canal.
sacral canal the continuation of the spinal canal through the sacrum.
Schlemm's canal venous sinus of sclera.
semicircular c's see semicircular canals.
spinal canal (vertebral canal) the canal formed by the series of vertebral foramina together, enclosing the spinal cord and meninges.
Volkmann's c's canals communicating with the haversian canals, for passage of blood vessels through bone.

in·gui·nal ca·nal

[TA]
the obliquely directed passage through the musculoaponeurotic layers of the lower abdominal wall that transmits the spermatic cord in the male and the round ligament in the female from the pelvic cavity to the scrotum or labia majora, respectively.

inguinal canal

 A cylindrical conduit in the abdominal wall through which a testis descends into the scrotum.

in·gui·nal ca·nal

(ing'gwi-năl kă-nal') [TA]
The obliquely directed passage through the layers of the lower abdominal wall that transmits the spermatic cord in the male and the round ligament in the female.
Synonym(s): canalis inguinalis [TA] .
Enlarge picture
INGUINAL CANAL/ SPERMATIC CORD CONTENTS

inguinal canal

A tube made of the transversalis fascia and the aponeuroses of the abdominal wall muscles just above the inguinal ligament. The inguinal canal is a cylindrical passageway 4 cm long from the retroperitoneal space to the subcutaneous fascia. It begins at the deep (internal) inguinal ring inside the abdominal wall, approx. halfway between the anterior superior spine of the iliac bone and the pubic symphysis, 0.50 in (1.25 cm) above the inguinal ligament. It continues downward and toward the midline, and it ends at the superficial (external) inguinal ring under the skin at the pubic crest. The inguinal canal contains an outpouching of the peritoneum, blood and lymph vessels, and the ilioinguinal nerve. In males, it contains the spermatic cord; in females, it contains the round ligament of the uterus.
illustration
See also: canal

Velpeau,

Alfred A.L.M., French surgeon, 1795-1867.
Velpeau axillary lateral view
Velpeau axillary radiograph
Velpeau bandage - serves to immobilize arm to chest wall, with the forearm positioned obliquely across and upward on front of chest.
Velpeau canal - passage through the layers of the lower abdominal wall that transmits the spermatic cord in the male and the round ligament in the female. Synonym(s): inguinal canal
Velpeau cast
Velpeau deformity
Velpeau dressing
Velpeau fossa - a wedge-shaped space with its base toward the perineum. Synonym(s): ischiorectal fossa
Velpeau hernia - femoral hernia in which the intestine is in front of the blood vessels.
Velpeau shoulder immobilizer
Velpeau sling
Velpeau stockinette
Velpeau tendon transfer
Velpeau wrap
References in periodicals archive ?
To preserve a viable testis while preventing escape of intestine from the inguinal canal, the cranial half of the superficial inguinal ring can be sutured toward the caudally located spermatic cord.
(c) The omentum is inserted into the right inguinal canal. The blood flow was detected.
[23] Markedly swollen and thickened left hemiscrotum with the swelling extending up to the left inguinal canal Matsui et al.
As the vast majority of liposarcomas originate in the retroperitoneum, there is the question whether the tumor originated in the inguinal canal or from another primary location.
Retractile testes are often bilateral and are caused by an overactive cremasteric reflex, which pulls the testis out of the scrotum towards the inguinal canal, particularly when the child is cold or upset.
In the present case, Laparoscopic evaluation of the hernial sac (left inguinal canal) revealed the uterus, ipsilateral ovary, fallopian tube, and the opposite adnexal mass.
Usually, as the puppy grows--initially, in utero, and then, after his birth--his testicles are gradually pulled from the abdomen, through the inguinal canal (a passageway through the abdominal wall), and into the scrotum by the gubernaculum, a ligamentous cord connecting the testes to the scrotum.
However, percutaneous closure of inguinal hernia cannot prevent simultaneous ligation of subcutaneous tissues (sometimes nerves) of the inguinal canal between the skin and hernia sac; as such, this technique might increase the postoperative morbidity in the long run.
The patient appeared to have a higher chronological age, presenting with blood pressure (BP) levels greater than the 99th percentile, weight and height greater than 2 standard deviations (SD) for his age, the presence of macro- and microcomedones in his forehead and cheeks, growth of his penis, nonpalpable testes in the scrotum or the inguinal canal, glandular hypospadias, and hyperpigmentation of his genitals.
Two testes (5%) retracted to inguinal canal which needed secondary surgery.
Desarda has described the operation where a 1- to 2-cm strip of external oblique aponeurosis lying over the inguinal canal is isolated from the main muscle but left attached both medially and laterally.
Pericardium grafts were introduced through the 10mm trocar and placed over the vaginal rings so as to cover the opening of the inguinal canal using laparoscopic Kelly forceps.