Dictionary > Trabecula

Trabecula

Definition
noun, plural: trabeculae
(general)
A small supporting structure in the form of a beam, strut or rod.
(anatomy)
(1) A small mineralized spicule that forms a network in spongy bone.
(2) A fibrous strand of connective tissue that supports it in place.
Supplement
On histological section, a trabecula can look like a septum, but in three dimensions they are topologically distinct, with trabeculae being roughly rod or pillar-shaped and septa being sheet-like.
Trabeculae are often composed of fibrous tissue, mainly of collagen. They may also be composed of other materials, such as bone or muscle. They may form in various organ, such as the heart, spleen, bone and penis.
Word origin: from Latin trabēcula, diminutive of trabs, trab-, beam.
Related forms: trabeculation (noun), trabecular (adjective), trabeculate (adjective).
See also: trabecular bone, trabecular reticulum.


You will also like...

Cell Respiration
Cell Respiration

Cell respiration is the process of creating ATP. It is "respiration" because it utilizes oxygen. Know the different stag..

green leaf - close up view
Leaves

Leaves are the major photosynthetic organ of a plant. Apart from that, they are also crucial to water movement. In this ..

Early Mammals on Earth
Early Mammals on Earth

The Earth's ecosphere was rapidly changing and throwing up a wide range of ecological niches that new adaptive organisms..

Neural Control Mechanisms
Neural Control Mechanisms

Neurons generate electric signals that they pass along to the other neurons or target tissues. In this tutorial, you wil..

Ploidy
Polyploidy

Humans are diploid creatures. This means that for every chromosome in the body, there is another one to match it. Howeve..

Kidneys
Kidneys and Regulation of Water and Inorganic Ions

The kidneys are responsible for the regulation of water and inorganic ions. Read this tutorial to learn about the differ..

Related Articles...

No related articles found

See all Related Topics