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This position provides a definition of what is at the front ("anterior"), behind ("posterior") and so on. As part of defining and describing terms, the body is described through the use of anatomical planes and anatomical axes. The meaning of terms that are used can change depending on whether an animal is bipedal or quadrupedal.
This molar is both posterior, as well as distal, to the premolars in front of it. Most of the principal terms can be combined using their corresponding combining forms (such as mesio-for mesial and disto-for distal). They provide names for directions (vectors) and axes; for example, the coronoapical axis is the long axis of a tooth.
By using precise anatomical terms, such as "proximal," "distal," "palmar," or "dorsal," this ambiguity is eliminated, ensuring clear communication. To standardize this system of terminology, Terminologia Anatomica was established as an international reference for anatomical terms.
The head or distal extremity presents a convex articular surface, oblong from above downward, and extending farther backward below than above. Its sides are flattened, and on each is a depression, surmounted by a tubercle , for ligamentous attachment.
The head of a bone usually refers to the distal end of the bone. The shaft refers to the elongated sections of long bone, and the neck the segment between the head and shaft (or body). The end of the long bone opposite to the head is known as the base.
In male human anatomy, the glans penis or penile glans, [1] commonly referred to as the glans, (/ ɡ l æ n z /; from Latin glans meaning "acorn") [2] is the bulbous structure at the distal end of the human penis that is the human male's most sensitive erogenous zone and primary anatomical source of sexual pleasure.
Distal to this point (the midgut) the arterial supply is from the superior mesenteric artery (SMA), and its branch the inferior pancreaticoduodenal artery supplies the 3rd and 4th sections. The superior and inferior pancreaticoduodenal arteries (from the gastroduodenal artery and SMA respectively) form an anastomotic loop between the celiac ...
A distal radius fracture, also known as wrist fracture, is a break of the part of the radius bone which is close to the wrist. [1]