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Related Concept Videos

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,...
Abdominal Aorta01:25

Abdominal Aorta

Once the aorta traverses the diaphragmatic plane at the aortic hiatus, it is known as the abdominal aorta. This anatomical structure is positioned leftward of the spinal column, encased within a cocoon of adipose tissue behind the peritoneal cavity. It terminates at the L4 vertebra, where it splits into the common iliac arteries. Prior to this bifurcation, the abdominal aorta gives rise to several vital branches.
The celiac trunk, a singular artery, divides into the left gastric artery, which...
Arteries of the Upper Limbs01:12

Arteries of the Upper Limbs

The subclavian artery transitions into the axillary artery as it exits the chest and enters the axillary region. This artery is critical for supplying blood to the shoulder area, including the head of the humerus, through the humeral circumflex arteries. As the vessel continues into the upper arm or brachium, it becomes the brachial artery. This artery plays a key role in vascularizing the brachial region and bifurcates at the elbow into several branches. These branches include the deep...
Veins of the Abdomen and Pelvis01:18

Veins of the Abdomen and Pelvis

The human body is a complex system of interconnected parts, and the circulatory system plays a crucial role in maintaining overall health. One key component of this system is the inferior vena cava, a large vein responsible for returning blood from the abdominopelvic viscera and abdominal walls to the heart.
The inferior vena cava is fed by numerous smaller veins. The lumbar veins, for instance, drain the posterior abdominal wall, emptying both directly into the inferior vena cava and into the...
Veins of Lower Limbs01:15

Veins of Lower Limbs

The human body consists of an intricate network of veins responsible for the crucial task of blood drainage from the lower limbs. These veins can be categorized into two main types: deep veins and superficial veins.
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Blood and Nerve Supply to the Bones01:29

Blood and Nerve Supply to the Bones

Bones are dynamic organs that require a rich supply of oxygen and nutrients. Around 5% to 10% of the cardiac output supplies blood to the bones. A typical long bone has three main sources: the nutrient artery, the metaphyseal and epiphyseal arteries, and the periosteal arteries.
Nutrient Artery
The nutrient artery is the main blood vessel that enters the diaphysis via the nutrient foramen. While most long bones have only one nutrient foramen, large bones, such as the femur, may have two. This...

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Related Experiment Video

Updated: Jun 7, 2026

A Probing Device for Quantitatively Measuring the Mechanical Properties of Soft Tissues during Arthroscopy
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Published on: May 1, 2020

Vascular supply to the acetabular labrum

Morteza Kalhor1, Kevin Horowitz, Martin Beck

  • 1Department of Orthopedic Surgery, Iran University of Medical Sciences, Firouzgar Medical Center, Behafarin Street, Tehran 15934, Iran.

The Journal of Bone and Joint Surgery. American Volume
|November 5, 2010
PubMed
Summary

The acetabular labrum

Area of Science:

  • Orthopedic surgery
  • Anatomy
  • Vascular biology

Background:

  • The acetabular labrum is crucial for hip joint stability and cartilage protection.
  • Its macroscopic blood supply and vascularization patterns remain largely uncharacterized.
  • Understanding labral vasculature is vital for diagnosing and treating hip pathologies.

Purpose of the Study:

  • To delineate the precise origin and course of the blood supply to the acetabular labrum.
  • To investigate whether labral tears impact the vascularization of the acetabular labrum.

Main Methods:

  • Vascular injection of colored silicone into 35 cadaver hips.
  • Anatomical dissection to trace vessels from origin to labrum.
  • Assessment of acetabular rim vascular contribution and intra-articular inspection.

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Main Results:

  • Acetabular labral blood supply originates from radial branches of the periacetabular periosteal vascular ring.
  • Vessels course on the periosteal surface, penetrate the capsule, and supply the labrum's capsular side.
  • No significant vascular contribution from the hip capsule, synovial lining, or osseous acetabular rim was observed.

Conclusions:

  • The acetabular labrum's blood supply is primarily from the periacetabular periosteal vascular ring.
  • This vascularization pattern is located on the capsular side of the labrum.
  • The hip capsule, synovial lining, and osseous rim do not significantly contribute to labral vascularity.