Floor
Floor (anatomy)
The Floor (pronunciation: /flɔːr/) in anatomical terms refers to the lower surface of a structure or cavity. It is a term used in various contexts within the field of anatomy and medicine.
Etymology
The term 'Floor' is derived from the Old English 'flōr', which means the bottom or base of a room. In medical terminology, it is used to describe the lower or base part of an organ or cavity.
Anatomy
In anatomy, the term 'Floor' is used to describe the lower surface of a structure. For example, the floor of the mouth, the floor of the orbit (eye socket), and the floor of the cranial cavity.
Floor of the Mouth
The floor of the mouth is a horseshoe-shaped area under the tongue, between the mandible or lower jawbone and the hyoid bone. It is covered by a mucous membrane and contains several important structures including the sublingual glands, lingual frenulum, and the openings of the submandibular ducts.
Floor of the Orbit
The floor of the orbit, also known as the orbital floor, is the part of the eye socket that holds the eyeball and its associated structures. It is formed by the maxilla and zygomatic bone.
Floor of the Cranial Cavity
The floor of the cranial cavity, also known as the base of the skull, is the lower part of the skull that houses the brain. It is divided into three areas: the anterior, middle, and posterior cranial fossae.
Related Terms
- Roof (anatomy): The upper surface of a structure or cavity in contrast to the floor.
- Wall (anatomy): The side of a structure or cavity.
- Base (anatomy): The bottom part of an organ or structure, often used interchangeably with 'floor'.
External links
- Medical encyclopedia article on Floor
- Wikipedia's article - Floor
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