Dictionary > Ilium

Ilium

Definition
noun, plural: ilia
The uppermost and the largest bone of the pelvis that is composed of two major parts in humans: the body and the ala. This bone articulates on the inner aspect with the sacrum.
Supplement
The iliac bone or the ilium is found in most vertebrates such as mammals, reptiles (but not all snakes) and birds. It is not found in bony fish.
(Note: ilium should not be confused with the term ileum, which pertains to a section of the small intestine)
Word origin: from the Latin, meaning “groin” or “flank.”
Also called: iliac bone
See also: pelvis, biiliac width


You will also like...

Lentic community
Freshwater Communities & Lentic Waters

Lentic or still water communities can vary greatly in appearance -- from a small temporary puddle to a large lake. The s..

Chromosome Mutations
Chromosome Mutations

Mutations can also influence the phenotype of an organism. This tutorial looks at the effects of chromosomal mutations, ..

Adaptive Radiation
Adaptive Radiation

The diversification of several new species from a recent ancestral source, each adapted to utilize or occupy a vacant ad..

New Zealand Fauna
New Zealand’s Unique Fauna

Meet some of New Zealand's unique fauna, including endemic insects, frogs, reptiles, birds, and mammals, and investigate..

Geological Periods
Geological Periods

Geological periods is a study guide that cites the different geological periods on Earth's timeline. Each has a brief ov..

Origins of Life on Earth
Origins of Life on Earth

Earth was created around 4.5 billion years ago and life began not long after. Primitive life likely possessed the elemen..