inguinal canal

Examples of inguinal canal in the following topics:

• Inguinal Hernia

  • An inguinal hernia is a protrusion of abdominal-cavity contents through the inguinal canal.
  • An inguinal hernia is a protrusion of abdominal-cavity contents through the inguinal canal .
  • Direct inguinal hernias occur medial to the inferior epigastric vessels when abdominal contents herniate through a weak spot in the fascia of the posterior wall of the inguinal canal, which is formed by the transversalis fascia.
  • As a result, the possibility for hernias through the inguinal canal in males is much greater because they have a larger opening and therefore a much weaker wall for the intestines to protrude through.
  • The larger size of their inguinal canal, which transmitted the testicle and accommodates the structures of the spermatic cord, might be one reason why men are 25 times more likely to have an inguinal hernia than women.

• Cryptorchidism

  • In 90% of cases an undescended testis can be palpated in the inguinal canal; in the minority, the testis or testes are in the abdomen or nonexistent (truly "hidden").
  • Undescended testes are also more susceptible to testicular torsion and infarction, and inguinal hernias.
  • When the undescended testis is in the inguinal canal, hormonal therapy is sometimes attempted and occasionally successful.
  • Although many trials have been published, the reported success rates range widely, from roughly 5 to 50%, probably reflecting the varying criteria for distinguishing retractile testes from low inguinal testes.

• Pubis

  • This tubercle, found roughly 3 cm from the pubic symphysis, is a distinctive feature on the lower part of the abdominal wall and is useful when attempting to localize the superficial inguinal ring and the femoral canal of the inguinal canal.

• Pulled Groin

  • In human anatomy, the groin (the adjective is inguinal, as in inguinal canal) areas are the two creases at the junction of the torso with the legs, on either side of the pubic area.

• Testes Ducts

  • The ductus (vas) deferens, also called the sperm duct, extend from the epididymis on each side of the scrotum into the abdominal cavity through the inguinal canal, an opening in the abdominal wall for the spermatic cord.

• Lumbar Plexus

  • The largest nerve of the plexus is the femoral nerve and it supplies the anterior muscles of the thigh and a part of skin distal to the inguinal ligament.
  • Its terminal branch then runs parallel to the inguinal ligament to exit the aponeurosis of the abdominal external oblique above the external inguinal ring, where it supplies the skin above the inguinal ligament (i.e., the hypogastric region) with the anterior cutaneous branch.
  • It pierces the lateral abdominal wall and runs medially at the level of the inguinal ligament where it supplies motor branches to both the transversus abdominis and sensory branches through the external inguinal ring to the skin over the pubic symphysis and the lateral aspect of the labia majora in females, and in males, the scrotum.
  • In females, it runs in the inguinal canal together with the teres uteri ligament.
  • Obturator nerve: Leaves the lumbar plexus and descends behind the psoas major on its medial side, follows the linea terminalis into the lesser pelvis, then finally leaves the pelvic area through the obturator canal.

• Supply of Blood and Nerves to Bone

  • Blood is supplied to mature compact bone through the Haversian canal.
  • Haversian canals are formed when individual lamellae form concentric rings around larger longitudinal canals (approx. 50 µm in diameter) within the bone tissue.
  • A Haversian canal generally contains one or two capillaries and nerve fibers.
  • Volkmann's canals are channels that assist with blood and nerve supply from the periosteum to the Haversian canal.
  • The Haversian canals surround blood vessels and nerve cells throughout the bone.

• Impacted Cerumen

  • Earwax, or cerumen, is a yellowish waxy substance secreted in the ear canal which can affect hearing if produced excessively.
  • Earwax, also known by the medical term cerumen, is a yellowish waxy substance secreted in the ear canal of humans and other mammals.
  • Excessive earwax may impede the passage of sound in the ear canal, causing conductive hearing loss.
  • Cerumen is produced in the outer third of the cartilaginous portion of the human ear canal.
  • A curette method is more likely to be used by otolaryngologists when the ear canal is partially occluded and the material is not adhering to the skin of the ear canal.

• Root Canal Therapy

  • This set of procedures is commonly referred to as a "root canal" .
  • This procedure is known as root canal therapy.
  • The alternatives to root canal therapy include no treatment, tooth extraction, or the 3Mix-MP procedure.
  • Recent studies indicate that substances commonly used to clean the root canal space incompletely sterilize the canal.
  • However, a properly restored tooth following root canal therapy yields long-term success rates near 97%.

• Veins of the Abdomen and Pelvis

  • The deep circumflex iliac vein is formed by the union of the venae comitantes of the deep iliac circumflex artery, and joins the external iliac vein about 2 cm above the inguinal ligament.