Rotary joint

Definition
noun, plural: rotary joints
A synovial joint in which a section of a cylinder of one bone fits into a corresponding cavity on the other, permitting rotating motion.
Supplement
Example is the joint in human head on the neck where rotating motion is possible. Other examples are those found in the forearms, knees and other parts of the skeletal system that are capable of rotating.
Synonyms:

trochoid joint
articulatio trochoidea
helicoid ginglymus
lateral ginglymus
trochoid articulation
trochoid joint

Still Freshwater & Plants

Plants in lentic habitats have features not found in terrestrial plants. They acquired these features as they adapt to t..

Developmental Biology

Developmental biology is a biological science that is primarily concerned with how a living thing grows and attains matu..

Digestion and Absorption of Food

The gastrointestinal system breaks down particles of ingested food into molecular forms by enzymes through digestion and..

Principles of Hormonal Control Systems

Hormones are essential in the regulation of the activity of the various biological systems of the human body. The ineffi..

Population Regulation in an Ecosystem

With regard to the population size of a species and what factors may affect them, two factors have been defined. They ar..

Human Reproduction

Humans are capable of only one mode of reproduction, i.e. sexual reproduction. Haploid sex cells (gametes) are produced ..