Medical Glossary

Comprehensive reference guide to medical terms used in hernia diagnosis, treatment, and surgery.

A

Abdominal Wall

The layered structure of muscle, fat, and tissue that forms the front of the abdomen, protecting internal organs. Hernias occur when this wall weakens or has gaps.

Abdominal Wall Reconstruction (AWR)

A comprehensive surgical procedure to repair complex or large abdominal wall defects, often involving mesh reinforcement and component separation techniques.

Adhesions

Bands of scar tissue that form between abdominal organs or between organs and the abdominal wall after surgery or inflammation. Can cause pain or intestinal obstruction.

Anesthesia

Medication that prevents pain during surgery. Types include general (puts you to sleep), regional (numbs a region of the body), and local (numbs a specific area).

Antibiotics

Medications used to prevent or treat bacterial infections. May be given before surgery to prevent surgical site infections.

Appendectomy

Surgical removal of the appendix. Can be performed laparoscopically or as an open surgery, often done emergently for appendicitis.

Autonomic Nervous System

The part of the nervous system that controls involuntary functions like heart rate, digestion, and breathing. Important during abdominal surgery.

B

Biological Mesh

A type of surgical implant made from human or animal tissue (such as pig skin or cow heart tissue) that is processed to create a scaffold for tissue regeneration. Used in contaminated surgical fields.

Bowel

Another term for the intestine, including both the small bowel (small intestine) and large bowel (colon/large intestine). Commonly referred to during abdominal surgery.

Bariatric Surgery

Surgical procedures performed to help with weight loss. Sometimes combined with hernia repair in patients with obesity.

C

Camera Port

The small incision through which a laparoscope (tiny camera) is inserted during laparoscopic surgery, allowing the surgeon to view the operative field on a monitor.

Chronic Pain

Pain that persists for more than 3 months after surgery. While uncommon after hernia repair (<3% of patients), it can be a complication requiring additional treatment.

Component Separation

A surgical technique used in complex abdominal wall reconstruction where the layers of abdominal muscle are separated to allow better closure of large defects. Can be performed with or without mesh reinforcement.

Contaminated Field

A surgical site that has been exposed to bacteria or infection. Hernia repairs in contaminated fields require special techniques and sometimes biological mesh.

Congenital

A condition present at birth. Some hernias, such as indirect inguinal hernias, are congenital (present from birth) and may become apparent later in life.

CT Scan

Computed Tomography scan - an imaging test that creates detailed cross-sectional images of the body. Used to diagnose hernias and plan surgery.

D

Daycare/Day Surgery

Surgery where the patient is discharged on the same day as the procedure, typically within a few hours after the operation. Most laparoscopic hernia repairs are daycare procedures.

Defect

The opening or weakness in the abdominal wall through which tissue protrudes. Hernia defects vary in size from small (1-2 cm) to very large (15+ cm).

Desarda Repair

A tension-free tissue repair technique for inguinal hernias that uses a strip of external oblique aponeurosis to reinforce the posterior wall without using mesh.

Diagnostic Imaging

Tests used to diagnose hernias and plan treatment, including ultrasound, CT scan, and MRI. Essential for complex or recurrent hernias.

E

eTEP (Enhanced Totally Extraperitoneal)

An advanced laparoscopic technique for inguinal hernia repair that accesses the preperitoneal space from the contralateral side, providing excellent visualization and repair.

Emergency Surgery

Surgery performed urgently due to a life-threatening condition. Strangulated or incarcerated hernias require emergency surgery to prevent tissue death.

Epigastric Hernia

A hernia that occurs in the epigastric region of the abdomen, between the belly button and the breastbone. Contains fat or occasionally bowel.

External Oblique

The outermost layer of abdominal muscle. An important anatomical structure in hernia repair and component separation techniques.

F

Femoral Hernia

A hernia that occurs through the femoral canal, located just below the inguinal ligament in the upper thigh. More common in women and requires surgical repair.

Fistula

An abnormal connection or tunnel between two body structures. In hernia context, may refer to a communication between the bowel and skin or other organs.

Fixation

The method of securing mesh to tissues during hernia repair. Can be done with sutures, tacks, glue, or self-fixating mesh.

Flank

The side of the body between the ribs and hip. Lumbar hernias occur in this region.

G

Gallbladder

A small organ that stores bile. Gallstones and gallbladder inflammation (cholecystitis) are common conditions treated by laparoscopic surgery.

Gastrointestinal (GI)

Relating to the digestive system, including the stomach, small intestine, large intestine, and related organs.

GERD (Gastroesophageal Reflux Disease)

Chronic acid reflux where stomach acid regularly flows back into the esophagus. May be associated with hiatal hernia.

H

Hernia

A bulge or lump that occurs when an organ or tissue pushes through a weak spot in the surrounding muscle or connective tissue. Requires surgical repair for complete resolution.

Herniorrhaphy

The surgical term for hernia repair. Can be performed with or without mesh reinforcement.

Hiatal Hernia

A hernia where part of the stomach pushes up through the diaphragm into the chest cavity. Often associated with GERD and may require fundoplication surgery.

Hydrocele

A fluid-filled sac surrounding a testicle, causing scrotal swelling. Often associated with inguinal hernias in infants but can occur in adults.

I

Incarcerated Hernia

A hernia where the protruding tissue becomes trapped and cannot be pushed back into the abdominal cavity. Can lead to strangulation if not treated.

Incisional Hernia

A hernia that occurs through a previous surgical scar. Incisional hernias can occur after any abdominal surgery and often require complex repair.

Indirect Inguinal Hernia

A hernia that passes through the internal inguinal ring, following the path the testicles took during development. Often congenital (present from birth) and common in males.

Inguinal Canal

A passage through the lower abdominal wall in the groin region. In males, it contains the spermatic cord; in females, it contains the round ligament.

Inguinal Hernia

A hernia that occurs in the groin region. The most common type of hernia, accounting for about 75% of all hernias. Can be indirect or direct.

Intraperitoneal

Located within the peritoneal cavity (the space containing abdominal organs). Some mesh types are designed for intraperitoneal placement.

L

Laparoscopic Surgery

Minimally invasive surgery performed through several small incisions using a camera and specialized instruments. Benefits include less pain, faster recovery, and better cosmetic outcomes.

Lichtenstein Repair

The gold standard open technique for inguinal hernia repair, using a flat mesh placed over the posterior wall. Often called tension-free repair.

Liver

The largest internal organ, located in the upper right abdomen. Important landmark during abdominal surgery.

Local Anesthesia

Medication that numbs a specific area of the body. Used for minor procedures or to supplement other anesthesia types.

Lumbar Hernia

A rare hernia through the muscles of the flank (side of the abdomen). May be congenital or acquired after surgery or trauma.

M

Mesh

A prosthetic implant used to reinforce hernia repairs. Made from synthetic materials (polypropylene, polyester) or biological tissues. Dramatically reduces recurrence rates.

Meshoma

A rare complication where mesh shrinks, bunches, or forms a mass. Can cause pain or discomfort and may require revision surgery.

Morbid Obesity

A condition defined by Body Mass Index (BMI) of 40 or higher, or BMI of 35-40 with obesity-related health conditions. A risk factor for hernia development and recurrence.

MRI

Magnetic Resonance Imaging - an imaging test that uses strong magnetic fields to create detailed images of organs and tissues. Useful for complex hernia diagnosis.

N

Narcotics/Opioids

Strong pain medications that may be prescribed after surgery. Used short-term to manage pain. Patients are encouraged to transition to over-the-counter pain relievers as soon as possible.

Nerves

Delicate structures that can be damaged during hernia surgery, potentially causing numbness, tingling, or chronic pain. Careful surgical technique minimizes this risk.

O

Obesity

Excess body weight, typically measured by Body Mass Index (BMI). A significant risk factor for hernia development, recurrence, and surgical complications.

Obstruction

A blockage of the bowel that prevents food, fluid, and gas from passing through. Can be caused by incarcerated or strangulated hernias.

Open Surgery

Traditional surgical approach using a single, larger incision directly over the hernia. May be necessary for complex hernias or when laparoscopic surgery is not suitable.

P

Paraumbilical Hernia

A hernia that occurs near but not at the belly button. Common in adults, especially those with obesity or after pregnancy.

Peritoneum

The membrane that lines the abdominal cavity and covers abdominal organs. Important anatomical landmark in hernia repair.

Polypropylene

The most common material used in surgical mesh. Lightweight, strong, and well-tolerated by the body.

Pneumoperitoneum

Insufflation of carbon dioxide gas into the abdominal cavity during laparoscopic surgery to create working space for the surgeon.

Port

A hollow tube inserted through the abdominal wall during laparoscopic surgery. Instruments and the camera pass through these ports.

Preoperative Tests

Medical tests performed before surgery to ensure patient safety, including blood tests, ECG, chest X-ray, and other evaluations as needed.

Primary Repair

Hernia repair without mesh, using sutures to close the defect. Reserved for small hernias or contaminated fields where mesh is not advisable.

R

Recurrence

When a hernia returns after surgical repair. Modern techniques with mesh have recurrence rates of less than 1-3%.

Recurrent Hernia

A hernia that has returned after previous surgical repair. Often more complex to repair due to scar tissue from previous surgery.

Regional Anesthesia

Anesthesia that numbs a region of the body, such as spinal or epidural anesthesia that numbs the lower body.

Robotic Surgery

Advanced surgical technique using robotic arms controlled by the surgeon. Provides enhanced precision, 3D visualization, and dexterity for complex hernia repairs.

S

Seroma

A collection of clear fluid that can accumulate under the skin after surgery. Usually resolves on its own but may need drainage if large or persistent.

Shoulder Pain

Common after laparoscopic surgery due to diaphragmatic irritation from residual carbon dioxide gas. Usually resolves within 24-48 hours.

Sling

A supportive mesh structure placed under an organ (such as the bladder in female pelvic hernias) to hold it in position during repair.

Spermatic Cord

The cord that connects the testicles to the prostate. Contains blood vessels, nerves, and the vas deferens. Must be carefully protected during inguinal hernia repair.

Sportsman's Hernia

A condition causing chronic groin pain in athletes without a visible hernia. May involve weakness of the abdominal wall or injury to the pubic bone.

Sutures

Stitches used to close wounds or secure mesh during surgery. Can be absorbable (dissolve over time) or non-absorbable (removed later).

T

TAPP (Transabdominal Preperitoneal)

A laparoscopic technique for inguinal hernia repair where the surgeon enters the peritoneal cavity and places mesh in the preperitoneal space.

TAR (Transversus Abdominis Release)

An advanced component separation technique used in complex abdominal wall reconstruction. Allows closure of large defects with less tension.

TEP (Totally Extraperitoneal)

A laparoscopic technique for inguinal hernia repair where the surgeon works in the preperitoneal space without entering the peritoneal cavity.

Testicular Atrophy

Shrinkage of the testicle due to compromised blood supply. A rare complication of inguinal hernia repair, usually from injury to the testicular artery.

Tissue Grating

A technique where mesh is placed without fixation, relying on the body's own tissue growth to hold it in position. Reduces chronic pain risk.

V

Valsalva Maneuver

The action of forcibly exhaling against a closed airway, like straining during bowel movements or lifting heavy objects. Increases intra-abdominal pressure and makes hernias more visible.

Ventral Hernia

A hernia that occurs through the front (ventral) abdominal wall. Includes epigastric, umbilical, and incisional hernias.

W

Wound Infection

An infection at the surgical site. Proper surgical technique, antibiotics, and wound care minimize this risk. May require antibiotics or wound drainage.

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