Categories
Radiology

T2 vs T1 MRI scan

“WW 2” (World War II)

Water is White in a T2 scan.

Conversely, a T1 scan shows fat as being whiter.

Categories
Anatomy

Cerebellum

Fat Guys Eat Donuts

Deep cerebellar nuclei and their positions relative to the midline: “Fat Guys Eat Donuts,” where each letter indicates the medial to lateral location in the cerebellar white matter

  • nucleus fastigii
  • globose nucleus
  • nucleus emboliformis
  • dentate nucleus
Categories
Anatomy

Foramen Magnum

VAMPS-ATM OR VAMPires Sing AT Midnight

The following are the contents of foramen magnum

  • Vertebral arteries
  • Anterior Spinal artery
  • Meningeal branches of the cervical nerves
  • Posterior spinal arteries
  • Spinal part of the accessory nerve
  • Alar and Apical ligaments of the dens
  • Tectorial membrane
  • Medulla oblongata
Categories
Anatomy

Branches of trigeminal nerve

Standing Room Only

  • V1 passes through the superior orbital fissure
  • V2 through the foramen rotundum
  • V3 through the foramen ovale.
Categories
Anatomy

Brachial Plexus

Remember To Drink Cold Beer –
Roots, Trunks, Divisions, Cords, Branches

P – STAR, RATS, ULTRA, ULNAR
L – LLM, LML, LML
M – M4U

  • Posterior cord branches
    • STAR
      • Subscapular (upper and lower) nerve
      • Thoracodorsal nerve
      • Axillary nerve
      • Radial nerve
    • RATS
      • Radial nerve
      • Axillary nerve
      • Thoracodorsal nerve
      • Subscapular (Upper & Lower) nerve.
    • ULTRA –
      • Upper subscapular nerve
      • Lower subscapular nerve
      • Thoracodorsal nerve
      • Radial nerve
      • Axillary nerve.
    • ULNAR
      • Upper subscapular nerve,
      • Lower subscapular nerve,
      • Nerve to latissimus dorsi,
      • Axillary nerve,
      • Radial nerve.
  • Lateral Cord Branches
    • LLM “Lucy Loves Me”
      • Lateral pectoral nerve
      • Lateral root of the median nerve
      • Musculocutaneous nerve.
    • Love Me Latha (LML)
      • Lateral pectoral nerve
      • Musculocutaneous nerve
      • Lateral root of median nerve.
    • Look My Lancer
      • Lateral pectoral nerve
      • Musculocutaneous nerve
      • Lateral root of Median nerve.
  • Medial Cord Branches
    • Most Medical Men Use Morphine” –
      • Medial pectoral nerve
      • Medial cutaneous nerve of arm
      • Medial cutaneous nerve of forearm
      • Ulnar nerve
      • Medial root of the median nerve.
    • Money Makes Many Men Unhappy” or M4U
      • Medial pectoral nerve
      • Medial cutaneous nerve of arm
      • Medial cutaneous nerve of forearm
      • Medial root of median nerve
      • Ulnar nerve.
    • Union of 4 Medials –
      • Ulnar nerve,
      • Medial cutaneous nerve of arm
      • Medial cutaneous nerve of forearm
      • Medial pectoral nerve
      • Medial root of median nerve.
  • 5 main nerves of brachial plexus, in order laterally to medially
    • “My Aunty Rocks My Uncle”
      • Musculocutaneous nerve
      • Axillary nerve
      • Radial nerve
      • Median nerve
      • Ulnar nerve.
Categories
Anatomy

Cavernous sinus contents

O TOM CAT

O TOM are lateral wall components, in order from superior to inferior.

CA are the components within the sinus, from medial to lateral. CA ends at the level of T from O TOM.

  • Occulomotor nerve (III)
  • Trochlear nerve (IV)
  • Ophthalmic nerve (V1)
  • Maxillary nerve (V2)
  • Carotid artery
  • Abducent nerve (VI)
  • T: When written, connects to the T of OTOM
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