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The facet joint is the joint between the inferior articular process (labeled at bottom) and the superior articular process (labeled at top) of the subsequent vertebra. The facet joints (also zygapophysial joints, zygapophyseal, apophyseal, or Z-joints) are a set of synovial, plane joints between the articular processes of two adjacent vertebrae.
t. e. An anatomical plane is a hypothetical plane used to transect the body, in order to describe the location of structures or the direction of movements. In human and non-human anatomy, three principal planes are used: The sagittal plane or lateral plane ( longitudinal, anteroposterior) is a plane parallel to the sagittal suture.
The retroperitoneal space ( retroperitoneum) is the anatomical space (sometimes a potential space) behind ( retro) the peritoneum. It has no specific delineating anatomical structures. Organs are retroperitoneal if they have peritoneum on their anterior side only. Structures that are not suspended by mesentery in the abdominal cavity and that ...
Coronal (frontal) plane: separates the front (anterior) and back ( posterior) of the body. Sagittal (longitudinal) plane: separates the left and right sides of the body. Transverse (axial) plane ...
The human skeletal system consists of all of the bones, cartilage, tendons, and ligaments in the body. Altogether, the skeleton makes up about 20 percent of a person’s body weight. An adult’s ...
The bones of your skull surround and protect your brain and also provide support to your face. Many of the bones of your skull are flat bones. These include: Frontal bone. This bone forms your ...
The study of human anatomy reaches back thousands of years, to the Romans and Greeks. Herophilus, the Greek anatomist, is considered the first to take a scalpel to skin to see how our bodies work ...
In anatomy, a spatium or anatomic space is a space (cavity or gap). Anatomic spaces are often landmarks to find other important structures. When they fill with gases (such as air) or liquids (such as blood) in pathological ways, they can suffer conditions such as pneumothorax, edema, or pericardial effusion. Many anatomic spaces are potential ...