Ilioinguinal
Ilioinguinal
Ilioinguinal (pronunciation: il-ee-oh-ing-gwuh-nl) is a term used in the field of anatomy to refer to a specific nerve in the human body.
Etymology
The term "Ilioinguinal" is derived from the Latin words "ilium," meaning flank, and "inguinal," meaning groin. Thus, the term refers to the nerve that runs from the flank to the groin area.
Definition
The Ilioinguinal nerve is a branch of the first lumbar nerve (L1). It separates from the lumbar plexus, passes through the inguinal canal, and provides sensory innervation to the upper part of the scrotum in males and the labia majora in females, as well as the skin on the upper, medial part of the thigh.
Related Terms
- Lumbar Plexus: The lumbar plexus is a web of nerves (a nervous plexus) in the lumbar region of the body which forms part of the larger lumbosacral plexus.
- Inguinal Canal: The inguinal canal is a passage in the anterior abdominal wall which in men conveys the spermatic cord and in women the round ligament.
- Scrotum: The scrotum is an anatomical male reproductive structure that consists of a suspended dual-chambered sack of skin and smooth muscle that is present in most terrestrial male mammals and located under the penis.
- Labia Majora: The labia majora (singular: labium majus) are two prominent longitudinal cutaneous folds that extend downward and backward from the mons pubis to the perineum.
External links
- Medical encyclopedia article on Ilioinguinal
- Wikipedia's article - Ilioinguinal
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