General

Cavernous sinus contents

O TOM CAT:

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.

Scalp layers

SCALP:

From superficial to deep:

  • Skin
  • Connective tissue
  • Aponeurosis
  • Loose areolar tissue
  • Pericranium

Bell’s palsy: symptoms

BELL’S Palsy:

  • Blink reflex abnormal
  • Earache
  • Lacrimation [deficient, excess]
  • Loss of taste
  • Sudden onset
  • Palsy of VII nerve muscles

All symptoms are unilateral.

Horner’s syndrome components

SPAM:

  • Sunken eyeballs/ Symphathetic plexus (cervical) affected
  • Ptosis
  • Anhydrosis
  • Miosis

Horner’s syndrome components

HORNPAM

  • Horner’s is:
  • Ptosis
  • Anhidrosis
  • Miosis

Horner’s syndrome: components

  • PAM:
  • Ptosis
  • Anhydrosis
  • Miosis

Nasal cavity components

Never Call MNeedle Nose!”:

  • Nares [external]
  • Conchae
  • Meatuses
  • Nares [internal]
  • Nasopharynx

Note: Mnemonic sentence is nasally-related.

Tonsils:

The three types

PPL (people) have tonsils”:

  • Pharyngeal
  • Palatine
  • Lingual

Thyroid: isthmus location

  • “Rings 2,3,4 make the isthmus floor“:
  • Isthmus overlies tracheal rings 2,3,4

Thyroids: relative sizes

  • Thyroid looks like a bra.
  • Breasts are bigger in women, so thyroid bigger in women.
  • Pregnant women have biggest breasts of all, so they have the biggest thyroids.

Voicebox: names of parts in sagittal cross-section

“There’s 3 V‘s in your Voicebox”:

  • Vestibular fold
  • Ventricle
  • Vocal fold

Note: Vestibular and Vocal cord also known as false and true cords respectively.

 You can suggest more mnemonics …

Warm regards,

Dr. Indrajit Rana

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