Trabeculae carneae

(Redirected from Fleshy beams)
Jump to navigation Jump to search

Template:Infobox Anatomy

WikiDoc Resources for Trabeculae carneae

Articles

Most recent articles on Trabeculae carneae

Most cited articles on Trabeculae carneae

Review articles on Trabeculae carneae

Articles on Trabeculae carneae in N Eng J Med, Lancet, BMJ

Media

Powerpoint slides on Trabeculae carneae

Images of Trabeculae carneae

Photos of Trabeculae carneae

Podcasts & MP3s on Trabeculae carneae

Videos on Trabeculae carneae

Evidence Based Medicine

Cochrane Collaboration on Trabeculae carneae

Bandolier on Trabeculae carneae

TRIP on Trabeculae carneae

Clinical Trials

Ongoing Trials on Trabeculae carneae at Clinical Trials.gov

Trial results on Trabeculae carneae

Clinical Trials on Trabeculae carneae at Google

Guidelines / Policies / Govt

US National Guidelines Clearinghouse on Trabeculae carneae

NICE Guidance on Trabeculae carneae

NHS PRODIGY Guidance

FDA on Trabeculae carneae

CDC on Trabeculae carneae

Books

Books on Trabeculae carneae

News

Trabeculae carneae in the news

Be alerted to news on Trabeculae carneae

News trends on Trabeculae carneae

Commentary

Blogs on Trabeculae carneae

Definitions

Definitions of Trabeculae carneae

Patient Resources / Community

Patient resources on Trabeculae carneae

Discussion groups on Trabeculae carneae

Patient Handouts on Trabeculae carneae

Directions to Hospitals Treating Trabeculae carneae

Risk calculators and risk factors for Trabeculae carneae

Healthcare Provider Resources

Symptoms of Trabeculae carneae

Causes & Risk Factors for Trabeculae carneae

Diagnostic studies for Trabeculae carneae

Treatment of Trabeculae carneae

Continuing Medical Education (CME)

CME Programs on Trabeculae carneae

International

Trabeculae carneae en Espanol

Trabeculae carneae en Francais

Business

Trabeculae carneae in the Marketplace

Patents on Trabeculae carneae

Experimental / Informatics

List of terms related to Trabeculae carneae

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Associate Editor-In-Chief: Cafer Zorkun, M.D., Ph.D. [2]


Overview

The trabeculae carneae (columnae carneae or fleshy beams) are rounded or irregular muscular columns which project from the whole of the inner surface of the ventricle, with the exception of the conus arteriosus.

They are of three kinds:

  • some are attached along their entire length on one side and merely form prominent ridges,
  • others are fixed at their extremities but free in the middle,
  • while a third set (musculi papillares) are continuous by their bases with the wall of the ventricle, while their apices give origin to the chordæ tendineæ which pass to be attached to the segments of the tricuspid valve.

The purpose of the trabeculae carnae is most likely to prevent suction that would occur with a flat surfaced membrane and thus impair the heart's ability to pump efficiently.

The trabeculae carnae also serve a similar function to papillary muscles in that their contraction pulls on the chordae tendinae, preventing inversion of the mitral (bicuspid) and tricuspid valves. This prevents backflow of blood from the ventricles into the atriums.

Echocardiographical and Angiographical Demonstration of Trabeculae Carnae

Images shown below are taken from a case report titled "Atrioventricular and ventriculoarterial discordance associated with Ebstein-like displacement of mitral valve"



External links

Template:Gray's


Template:WikiDoc Sources