Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Appendicitis-I: Introduction01:22

Appendicitis-I: Introduction

The appendix, a small, narrow, blind tube extending from the inferior part of the cecum, is widely regarded as a vestigial organ, having lost much of its original function through evolution. Despite its diminished role, the appendix can become inflamed, a condition known as appendicitis.
Etiology: Appendicitis can arise from various causes, primarily rooted in the obstruction of the appendix lumen. Factors contributing to this obstruction include fecal accumulation, lymphoid hyperplasia and, in...
Muscles that Move the Thigh01:20

Muscles that Move the Thigh

The thigh's motion is primarily governed by muscles originating in the pelvic girdle and inserted into the femur. One crucial muscle, the iliopsoas, is a combination of the psoas major and the iliacus muscles, sharing a common insertion point on the lesser trochanter of the femur.
Three other significant muscles are the gluteus maximus, gluteus medius, and gluteus minimus. The gluteus maximus originates from the posterior surface of the ilium, sacrum, and coccyx, and the thoracolumbar fascia...
Abdominal Regions and Quadrants01:19

Abdominal Regions and Quadrants

To promote clear communication, for instance, about the location of a patient's abdominal pain or a suspicious mass, anatomists and clinicians typically use imaginary lines to categorize the abdominopelvic cavity into either four quadrants or nine regions to identify organs in the cavity.
The simpler quadrants approach, which is more commonly used in medicine, subdivides the cavity with one horizontal and one vertical line that intersects at the patient's umbilicus (navel). The four quadrants...
Appendicitis-II: Diagnostic Studies and Management01:29

Appendicitis-II: Diagnostic Studies and Management

Diagnosing and managing appendicitis requires a structured and comprehensive approach that spans from initial assessment to postoperative care. Here is an overview of the process:
Diagnosing Appendicitis
It requires a multifaceted approach, starting with a detailed physical examination to pinpoint the location and nature of the pain and identify any associated symptoms. Laboratory tests play a crucial role. A complete Blood Count (CBC) typically reveals leukocytosis (an increased number of...
Arteries of Lower Limbs01:20

Arteries of Lower Limbs

The external iliac artery transitions out of the body cavity, entering the femoral region of the lower leg, and is renamed the femoral artery at the point where it traverses the body wall. This artery is responsible for the distribution of blood to the thigh's deep muscles and the skin's ventral and lateral regions, achieved through several minor branches and the lateral deep femoral artery, which also spawns a lateral circumflex artery. The knee area receives blood from the genicular artery,...
Appendicitis01:19

Appendicitis

Appendicitis is an acute inflammatory condition of the vermiform appendix, most commonly caused by obstruction of its lumen. The appendix is a narrow, blind-ended pouch that extends from the cecum, making it particularly prone to obstruction. Causes include fecaliths, lymphoid hyperplasia (often after viral infections), parasites, tumors, or foreign bodies. This obstruction initiates a cascade of pathological changes.Luminal Obstruction and Early InflammationAfter obstruction, normal mucosal...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Correction: Alkandari et al. N-Acetylcysteine Amide Against Aβ-Induced Alzheimer's-like Pathology in Rats. <i>Int. J. Mol. Sci.</i> 2023, <i>24</i>, 12733.

International journal of molecular sciences·2026
Same author

Role of Serum Magnesium as Predictor of Preeclampsia.

Journal of obstetrics and gynaecology of India·2026
Same author

Long-Term Benefits of Chronic 5-HT2A Antagonist and 5-HT1A Agonist Treatment on ADHD Behavior in Juvenile Spontaneously Hypertensive Rats.

Current neuropharmacology·2026
Same author

Morphological and topographic analysis of the sesamoid bones of the hand: A radiographic institution-based descriptive cross-sectional study.

JPRAS open·2026
Same author

<i>Ficus religiosa</i> leaf extract mitigates the neurofibrillary tangles and amyloid plaques in aluminium chloride exposed Wistar rat brain.

3 Biotech·2026
Same author

<i>In vivo</i> and <i>in vitro</i> experimental models for urolithiasis pathophysiology research.

Asian journal of urology·2025

Related Experiment Video

Updated: Jul 2, 2026

A Murine Model of Hemodialysis Access-Related Hand Dysfunction
08:39

A Murine Model of Hemodialysis Access-Related Hand Dysfunction

Published on: May 31, 2022

An accessory iliacus muscle: a case report.

Sujatha D'Costa1, Lakshmi A Ramanathan, Sampath Madhyastha

  • 1Department of Anatomy, Centre for Basic Sciences, Kasturba Medical College, Bejai, Mangalore, Karnataka, India. sujathasn@gmail.com

Romanian Journal of Morphology and Embryology = Revue Roumaine De Morphologie Et Embryologie
|September 2, 2008
PubMed
Summary

A rare accessory iliacus muscle was discovered during a cadaver dissection, originating from the iliac crest and potentially compressing the femoral nerve. This anatomical variant may cause referred pain in the hip, knee, and lumbar region.

More Related Videos

Posterior Approach for Debridement of the Psoas Abscess
06:02

Posterior Approach for Debridement of the Psoas Abscess

Published on: March 2, 2020

Related Experiment Videos

Last Updated: Jul 2, 2026

A Murine Model of Hemodialysis Access-Related Hand Dysfunction
08:39

A Murine Model of Hemodialysis Access-Related Hand Dysfunction

Published on: May 31, 2022

Posterior Approach for Debridement of the Psoas Abscess
06:02

Posterior Approach for Debridement of the Psoas Abscess

Published on: March 2, 2020

Area of Science:

  • Anatomy
  • Surgical Anatomy
  • Clinical Anatomy

Background:

  • Anatomical variations of the iliacus muscle are uncommon.
  • Understanding these variations is crucial for interpreting neurological symptoms and surgical procedures in the lumbar and pelvic regions.

Observation:

  • A routine dissection of a 58-year-old male cadaver revealed an anomalous accessory iliacus muscle in the iliac fossa.
  • This muscle originated from the iliac crest and inserted with the iliopsoas muscle.

Findings:

  • The accessory iliacus muscle appeared to compress the L4 nerve root of the femoral nerve.
  • The L4 nerve root supplied this anomalous muscle, with L2 and L3 roots joining distal to it.

Implications:

  • This accessory muscle may cause tension on the femoral nerve, leading to referred pain in the hip, knee, and L4 dermatome.
  • The findings highlight the clinical significance of this variant muscle in potential femoral nerve entrapment syndromes.