shaft

(noun)

In architecture, the body of a column; the cylindrical pillar between the capital and base.

Related Terms

  • Qianling Mausoleum

Examples of shaft in the following topics:

  • Femur (The Thigh)

    • Immediately lateral to the head is the neck that connects the head with the shaft.
    • Located superiorly on the main shaft, lateral to the joining of the neck, the greater trochanter is a projection to which the abductor and lateral rotator muscles of the leg attach.
    • Also located on the main shaft, but inferiorly to the neck joint, is the lesser trochanter.
    • The shaft descends in a slightly medial direction that is designed to bring the knees closer to the body’s center of gravity, increasing stability.
    • Two key features of the shaft are the proximal gluteal tuberosity to which the gluteus maximus attaches, and the distal adductor tubercle to which the adductor magnus attaches.
  • Humerus (The Upper Arm)

    • Finally, the greater and lesser tubercles are found at the most superior end of the main shaft of the humerus.
    • Below this proximal region lies the shaft, which is separated from the proximal region by the surgical neck, so termed as this in an area of frequent fracture.
    • A major feature of the shaft is the deltoid tuberosity located laterally to which the deltoid muscle attaches.
  • Torque on a Current Loop: Rectangular and General

    • This principle is commonly used in motors, in which the loop is connected to a shaft that rotates as a result of the torque.
    • Thus, the electrical energy from the current is converted to mechanical energy as the loop and shaft rotate, and this mechanical energy is then used to power another device .
    • Incidentally, those forces are vertical and thus parallel to the shaft.
    • Electrical energy from the current is converted to mechanical energy as the loop and shaft rotate, and this mechanical energy is then used to power another device.
  • Hair

    • The shaft is the part of the hair projecting from the surface of our skin. 
    • A round shaft results in straight and coarse hair. 
    • An oval hair shaft is responsible for wavy hair. 
    • A flat shaft causes curly hair.
  • Mycenaean Metallurgy

    • Inside are six tombs for nineteen bodies that were buried inside shaft graves.
    • The shaft graves were deep, narrow shafts dug into the ground.
    • Grave Circle A, Grave Shaft IV, Mycenae, Greece.
    • Grave Circle A, Grave shaft V, Mycenae, Greece.
    • Grave Circle A, Grave Shaft IV, Mycenae, Greece.
  • Clavicle

    • The shaft of the clavicle acts as the origin and attachment point for numerous muscles and ligaments.
    • At the medial end of the shaft the pectoralis major originates from the anterior surface, the posterior surface gives origin to the sternohyoid muscle and the superior surface the sternocleidomastoid muscle.
  • Thoracic Cage: Ribs

    • A rib consists of a head, neck, and shaft.
    • Finally, the shaft forms the majority of the length of the rib as it curves around the thoracic cavity forming the rib cage.
  • Overview of the Male and Female Reproductive Systems

    • Only our species has such a distinctive mushroom-capped glans, which is connected to the shaft by a thin tissue of frenulum (the delicate tab of skin just beneath the urethra).
    • Chimpanzees, gorillas, and orangutans have a much less extravagant phallic design: more or less all shaft.
    • The diameter of the glans where it meets the shaft is wider than the shaft itself.
    • This results in the coronal ridge that runs around the circumference of the shaft.
  • Supply of Blood and Nerves to Bone

    • One or two main diaphyseal nutrient arteries enter the shaft obliquely through one or two nutrient foramina leading to nutrient canals.
    • Except for a few with double or no foramina, 90% of long bones have a single nutrient foramen in the middle third of the shaft.
    • Young periosteum is more vascular, has more metaphyseal branches, and its vessels communicate more freely with those of the shaft than adult periosteum .
  • Ulna and Radius (The Forearm)

    • The shaft of the ulna is triangular and numerus muscles involved in pronation and flexion of the forearm attach to its surface.
    • As with the ulna, the shaft of the radius is triangular in shape and numerous muscles, including the protonator teres, attach to it.
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