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Sep 7, 2024 · Anterior refers to the ‘front’, and posterior refers to the ‘back’. Putting this in context, the heart is posterior to the sternum because it lies behind it. Equally, the sternum is anterior to the heart because it lies in front of it. Examples: Pectoralis major lies anterior to pectoralis minor. The triceps are posterior to biceps brachii.
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There are three planes commonly referred to in anatomy and medicine, as illustrated in Figure 1.4.3. The sagittal plane divides the body or an organ vertically into right and left sides. If this vertical plane runs directly down the middle of the body, it is called the midsagittal or median plane.
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Jun 12, 2022 · Biology definition: Anatomy is the study of the structure of the body of an organism. It is the branch of biology that focuses on the bodily structure of living things. It is subdivided into two: (1) gross anatomy (or macroscopic anatomy) and (2) microscopic anatomy. Etymology: from Latin anatomia, from Ancient Greek *ἀνατομία ...
Sep 11, 2024 · Distal: In contrast, distal refers to a point that is farther away from the trunk of the body or the point of origin of a structure. Using the same example, the hand is distal to the elbow, meaning it is farther away from the body’s central point. Summary: Proximal means closer to the center or point of attachment, while distal means farther ...
Oct 30, 2023 · Outside of projections, several bone markings fall into the category of depressions and openings. Bony landmarks in this category form basins, channels and holes that house nerves, vessels, tendons and muscles. Below, we explore some examples. Jugular foramen. Foramen jugulare.
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Feb 21, 2024 · Dorsal and Ventral. “Dorsal” refers to the back or vertebral side, while “ventral” refers to the belly side. In a fish, the dorsal fin is on the back, and the belly is the ventral side. A person’s back is their dorsal surface, while the belly is the ventral surface. But, in humans, these terms more often describe relative positions ...
It does not matter how the body being described is oriented, the terms are used as if it is in anatomical position. For example, a scar in the “anterior (front) carpal (wrist) region” would be present on the palm side of the wrist. The term “anterior” would be used even if the hand were palm down on a table. Figure 1.4.1.
