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Vertical lines: Midline, lateral sternal line, parasternal line and midclavicular line. Horizontal lines: Level of the sternal angle, and zipho-sternal line. Anatomical "lines", or "reference lines," are theoretical lines drawn through anatomical structures and are used to describe anatomical location.
These terms describe how close something is to the midline, or the medial plane. [2] Lateral (from Latin lateralis 'to the side') describes something to the sides of an animal, as in "left lateral" and "right lateral". Medial (from Latin medius 'middle') describes structures close to the midline, [2] or
In human anatomy, the anatomical planes are defined in reference to a body in the upright or standing orientation. A transverse plane (also known as axial or horizontal plane) is parallel to the ground; it separates the superior from the inferior, or the head from the feet.
The anatomical axes of orientation of the human brain are at odds with the anatomical axes of the human body in the standard anatomical position. Red axis shows how the head bent forward as the back pointed upwards: c: Caudal r: Rostral Yellow axes show the conventions for naming directions in the brain itself: c: Caudal (though not tail ...
The sagittal plane (/ ˈ s æ dʒ ɪ t əl /; also known as the longitudinal plane) is an anatomical plane that divides the body into right and left sections. [1] It is perpendicular to the transverse and coronal planes.
Midline Main article: Dental midline. Roughly, an imaginary vertical line dividing the left and right sides of the mouth at the teeth. Occlusal The direction toward the biting surface of posterior teeth or something relating to this surface, such as the terms occlusal interference or occlusal surface.
Providing two cavities generates turbulence within the tight spaces, allowing air to flow quicker bidirectionally. The septal nasal cartilage is also the main structure that provides the orientation of the nose, being the midline structure of the organ. With an offset septal nasal cartilage, the nose will appear crooked to the viewer.
The description of the coronal plane applies to most animals as well as humans even though humans walk upright and the various planes are usually shown in the vertical orientation. [citation needed] The sternal plane (planum sternale) is a coronal plane which transects the front of the sternum. [1]