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Anatomy Mnemonics

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1. Innervation

Innervation of phrenic nerve

c3-4-5 keep the diaphragm alive

  Innervation of serratus anterior

c5-6-7 raise your arms to heaven
nerve roots of long thoracic nerve innervate serratus anterior

  Innervation of penis

Parasympathetic Points it up
Sympathetic Shoots it out

  Innervation of penis

S2, 3, 4 keep the penis off the floor
refers to the innervation of the penis by branches of the pudendal nerve which are derived from spinal cord levels S2-4

Brachial plexus:

Robert Taylor Drinks Cold Beer
Roots, Trunks, Divisions, Cords, Branches

Composition of cranial nerves (Motor, Sensory, or Both)

Some Say Marry Money, But My Brother Says Big Breasts Matter More
Sensory, sensory motor, motor, both, motor, both, sensory, both, both, motor, motor in the order of cranial nerves starting from the olfactory (cranial nerve I).

Edited by: Mikael Kanski
Medical Student

Landmark dermatomes:

T4 at the teat pour (nipple)
T10 at the belly butTEN
L1 at IL (Inguinal ligament)
Down on L4s "i.e. down on all fours" (L4 at the knees)

Level of introduction of spinal needle.

To keep the cord alive, keep the (spinal) needle between L3 & L5.

Peroneal and Tibial nerve injury:

  1. PED (Peroneal Everts and Dorsiflexes --> drop foot).
    (Tibial Inverts and Planterflexes --> can't walk on TIPtoes).

Arterial supply

  1. Arteries coming off the right subclavian artery.
    Thyrocervical trunk, Inferior thyroid artery, Tranverse cervical artery, and Suprascapular artery.

    Submitted by Dr. G. Jones.


  1. Attachment of latissmus, pectoralis major & teres major
    A lady between two majors
    (a "lati" is between two "majors.")
    Pectoralis major attaches to lateral lip of bicipital groove, the teres major attaches to medial lip of bicipital groove, and the latissimus dorsi attaches to the floor of bicipital groove.
  2. Rotator cuff muscles
    SITS (Supraspinatus, Infraspinatus, Teres minor, Subscapularis).
  3. Thenar and hypothenar muscles
    FAO (Flex, Oppose, Abduct)
    Thenar: Flexor pollicis brevis, Opponens pollicis, Abductor pollicis brevis.
    Hypothenar: Flexor digiti minimi, Abductor digiti minimi, Opponens digiti minimi.


  1. Some Lovers Try Positions That They Can't Handle
    Scaphoid Lunate Triquetrum Pisiform Trapezium Trapezoid Capitate Hamate

    Submitted by Mat Harris


  1. Order of things in thigh:
    nerve, artery, vein, empty space, lymphatics (lateral to medial).
  2. Scalp and meninges layers
    SCALP - skull - DAP
    Skin, Connective tissue, Aponeurosis, Loose connective tissue, Periostium.
    Dura mater, Arachnoid mater, Pia mater.

Article reviewed by: Dr. Tamer Fouad, M.D.

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