Sphere
Sphere (Medicine)
Sphere (pronounced: /sfɪər/) is a term used in various medical contexts, often to describe the shape of certain structures or objects. The term originates from the Greek word "sphaira", meaning ball or globe.
Etymology
The term "sphere" comes from the Latin "sphaera" and the Greek "σφαῖρα" (sphaira), both meaning ball or globe. In medicine, it is often used to describe the round shape of certain structures or objects.
In Anatomy
In anatomy, the term "sphere" is often used to describe the shape of certain structures. For example, the eye is often described as a sphere due to its round shape. Similarly, the cell is also often described as a sphere, particularly when viewed under a microscope.
In Pathology
In pathology, the term "sphere" can refer to the shape of certain pathogens, such as bacteria or viruses, which can be spherical in shape. For example, Staphylococcus bacteria are often described as being spherical.
In Radiology
In radiology, the term "sphere" can refer to the shape of certain structures or objects seen on imaging studies. For example, a tumor or cyst may be described as spherical if it appears round on an imaging study.
Related Terms
- Spherical: Having the shape of a sphere.
- Spheroid: An object that is nearly spherical, but slightly elongated or flattened.
- Hemisphere: Half of a sphere, often used to describe certain structures in the brain.
External links
- Medical encyclopedia article on Sphere
- Wikipedia's article - Sphere
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