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Medius (Latin) - In the middle
15 terms share this root
Cystic medial degeneration

A condition in which the large artery that originates from the "middle" of the heart (aorta) is "no longer of its kind" because of breakdown of connective tissue; this breakdown often results in "pouch"like cavities between fibers

  • Kustis (Greek) - Bladder, atomical pouch or sac
  • Medius (Latin) - In the middle
  • Degeneratus (Latin) - No Longer of its Kind
  • Causes aortic wall weakness leading to aortic dissections
  • Commonly occurs in patients with Marfan syndrome on the boards
  • Pathologically there is a weakness in the aorta wall from a connective tissue disorder
  • Gluteus medius

    The "middle" muscle of the "butt".

  • Abducts the hip and medially rotates the thigh
  • Innervated by superior gluteal nerve
  • Damage to this nerve causes a hip drop when walking. This is commonly referred to as a Trendelenburg gait due to the inability of the contralateral hip when walking.
  • Immunecomplex mediated hypersensitivity

    A "plait" of antigenantibody (cells that help "exempt" body from disease) complexes that act as the "middle" man of a condition where the body feels "excess" "sensation"

  • Also known as Type III Hypersensitivity
  • AbAg complexes not adequately cleared by innate immune cells accumulate, giving rise to an inflammatory response and attraction of leukocytes
  • Serum sickness, Arthus reaction
  • SLE
  • Polyarteritis nodosa
  • Poststreptococcal glomerulonephritis
  • Intermediate cuneiform bone

    A tarsal bone that is shaped like a "wedge".

    • Inter (Latin) - Among, between, betwixt, in the midst of
    • Medius (Latin) - In the middle
    • Cuneus (Latin) - Wedge, WedShaped Stone, Area
    • Ban (Old English) - Bone, tusk
  • This particular bone articulates with the medial cuneiform, lateral cuneiform, navicular, and second metatarsal bones.
  • Also called "middle" cuneiform bone because it is located between the other 2 cuneiform bones.
  • Intermediate phalanges

    The bones of the fingers located "between" the distal phalanges and the proximal phalanges. Called a phalange because the way the bones are arranged are reminiscent of the Ancient Greek military formation known as the phalanx.

    • Inter (Latin) - Among, between, betwixt, in the midst of
    • Medius (Latin) - In the middle
    • Phalanx (Latin) - Line of battle in close ranks
  • Articulations with the distal and proximal phalanges create the PIP and the DIP joints of the fingers
  • Intermediate phalanges do not exist in the thumb
  • The phalanges comes from the Greek concept of a phalanx, a battle formation in which soldiers lined up in close proximity to one another to protect the person to the right. The fingers are arranged in similar fashion.
  • Medial cord

    A "cord" towards the "middle" of the brachial plexus.

    • Medius (Latin) - In the middle
    • Khorde (Greek) - Gut, string of a musical instrument
  • From the lower trunk
  • Gives rise to the medial pectoral nerve, medial branchial cutaneous nerve, medial antebrachial cutaneous nerve, median nerve, and ulnar nerve
  • Medial cuneiform bone

    The largest "area" cuneiform "bone" in the toe.

    • Medius (Latin) - In the middle
    • Cuneus (Latin) - Wedge, WedShaped Stone, Area
    • Ban (Old English) - Bone, tusk
  • Situated anterior the navicular bone and posterior to the base of the first metatarsal
  • Medial cutaneous nerve

    "Nerve" derived from the "medial" cord of the brachial plexus that provides sensory innervation to medial "skin" of the arm.

    • Medius (Latin) - In the middle
    • Cutis (Latin) - Skin
    • Nervus (Latin) - Sinew, tendon; cord, bowstring
    Medial pectoral nerve

    "Nerve" derived from the "medial" cord of the brachial plexus that innervates "breast".

    • Medius (Latin) - In the middle
    • Pectus (Latin) - Breast
    • Nervus (Latin) - Sinew, tendon; cord, bowstring
  • Innervates the pectoralis minor and pectoralis major
  • Medial plantar nerve

    "Nerve" derived from the "medial" cord of the brachial plexus that innervates the "sole of the foot".

    • Medius (Latin) - In the middle
    • Planta (Latin) - Sole of the foot
    • Nervus (Latin) - Sinew, tendon; cord, bowstring
  • Sensory innervation the sole of the foot
  • Motor innervation to the abductor hallucis, flexor digitorum brevis, flexor hallucis brevis, and the first lumbrical.
  • Medial pterygoid

    "Wing" "shaped" muscle of mastication that elevates the "middle" of the jaw, and assists the lateral pterygoid in moving the jaw from side to side.

    • Medius (Latin) - In the middle
    • Pteryx (Greek) - Wing
    • Eidos (Greek) - Form, Resemblance or Shape, Likeness
  • Innervated by the mandibular branch of the trigeminal nerve (CNV3)
  • Medial pterygoid nerve

    "Wing" "shaped" branch of the trigeminal nerve (CN V3) that innervates the tensor tympani, tensor veli palatini, and "medial" pterygoid muscle.

    • Medius (Latin) - In the middle
    • Pteryx (Greek) - Wing
    • Nervus (Latin) - Sinew, tendon; cord, bowstring
    Medial rectus

    Extraocular "straight" and "middle" muscle that adducts the eye.

  • Innervated by the inferior division of the oculomotor nerve (CN III)
  • Paramedian pontine reticular formation

    A "form/structure" that is located "near" the "middle" of the "bridge" between the medulla and midbrain (pons)

    • Para (Greek) - Along, side, beside, near, against, contrary to
    • Medius (Latin) - In the middle
    • Pons (Latin) - Bridge
    • Reticulum (Latin) - Littlle net, network like structure
    • Forma (Latin) - Form
  • Center of the pons that is responsible for coordination of eye movements, especially horizontal gaze
  • Scalenus medius

    A "triangular" muscle with "unequal sides" that is in the "middle" of two other scalene muscles

    • Scalenus (Latin) - Having three unequal sides, shell pod, husk
    • Medius (Latin) - In the middle
  • Arises from the transverse processes of the lower six cervical vertebrae and attaches to the 1st rib. Elevates first rib and rotates the neck to the opposite side.
  • Thoracic outlet Syndrome
  • Derived from skalenos meaning uneven as in uneven sides of a scalene triangle and borders of the set of scalene muscles