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Planet Ross 2K2

Do you know the muffin man?

Ladies and gentlemen, boys and girls...the mnemonics.

The following is a collection of memory aids that you may find useful in studying for your exams. While helpful, there are not substitute for the 14-16 hours per night that you should be studying (everyone else is). Feel free to print them out and share them with your friends and family.

Disclaimer: The following mnemonics may contain the word "vagina."


Cranial Nerves

I On Oh Olfactory
II Old Oh Optic
III Olympus Oh Oculomotor
IV Towering To Trochlear
V Tops Touch Trigeminal
VI A And Abducens
VII Finn Feel Facial
VIII And A Auditory
IX German Girl's Glossopharyngeal
X Viewed Vagina Vagus
XI Astounding And Accessory
XII Hops Hymus Hypoglossal
I Some Sensory
II Say Sensory
III Marry Motor
IV Money Motor
V But Both
VI My Motor
VII Brother Both
VIII Says Sensory
IX Big Both
X Breasts Both
XI Matter Motor
XII Most Motor

You have I nose & II eyes
I - Olfactory n.; II - Optic n.

Extraocular muscles

LR6 - SO4 - R3

LR6 Lateral Rectus VI abducens
SO4 Superior Oblique IV trochlear
R3 Remaining eyeball movers III oculomotor

Branches of the facial nerve

Ten Zombies Bought My Car
Two Zulus Buggered My Cat
Temporal, Zygomatic, Buccal, Masseteric, Cervical

Spinal Nerves

C3-4-5 keep the phrenic nerve (or diaphragm) alive
C5-6-7 raise your arms to heaven (nerve roots of long thoracic nerve innervate serratus anterior)
C5-6-7 "mus...culo...cutaneous?" Eros Sanchez 1999

Innervation of the penis

S2,3,4 keeps the penis off the floor
Refers to the innervation of the penis by branches of the pudendal nerve which is derived from spinal cord levels S2-4.
Point, Shoot, Score
Parasympathetic for erection, Sympathetic for ejaculation, Somatomotor for . . .

Supraorbital fissure

Structures that pass through it:
Luscious French Tarts Sit Naked In Anticipation Of Sex
Lacrimal nerve, Frontal nerve, Trochlear nerve, Superior branch of oculomotor nerve, Nasociliary nerve, Inferior branch of oculomotor nerve, Abducent nerve, Ophthalmic veins, Sympathetic nerves

Points of exit for Trigeminal nerve

Standing Room Only:
V1 - Superior orbital fissure
V2 - foramen Rotundum
V3 - foramen Ovale

Cranial bones

Old People From Texas Eat spiders
Pest of 6:
Occipital, Parietal, Frontal, Temporal, Ethnoid, Sphenoid

Brachial plexus

Randy Travis Drinks Cold Beers:
Roots, Trunks, Divisions, Cords, Branches

Extensor Compartment of the Arm

Beer Brachioradialis
Eating CReoLe Extensor Carpi Radialis Longus
Eating CRaB Extensor Carpi Radialis Brevis
Eating Dog Extensor Digitorum
Eating Dog's Mother Extensor Digiti Minimi
Even Cathy's Underwear Extensor Carpi Ulnaris

Great vessels

ABC'S of the aortic arch:
Aortic arch, Brachiocephalic trunk, the left common Carotid, and the left Subclavian artery

Thoracic duct

The duck is between two gooses:
duck = thoracic duct
2 gooses = azyGOUS vein and esophaGOUS

Order of structures in groin (from lateral to medial)

Nerve, Artery, Vein, Empty space, Lymphatics

Muscles inserting into humerus

A lady 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.
The "lati" is between two "majors"

Pectoral nerves

"Lateral is less, medial is more"
Lateral pectoral nerve goes through pectoralis major, while medial pectoral nerve goes though both pectoralis major and minor.

Carpal bones

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

Gluteal Muscles

                    Rhmye Time: "Tensor Fasciae Latae, Gluteus Med & Min...first abduct the femur, then rotate it in."
                    All other gluteal muscles are lateral rotators of the femur.
                    BONUS: Tensor Fasciae Latae, Gluteus Minimus, and Gluteus Maximus are all innervated by the Inferior Gluteal Nerve.

Radial nerve

It innervates the Brachioradialis, Extensors, Supinator, Triceps.

Median nerve

It innervates the Lateral 2 Lumbricals, Opponens pollicis, Abductor pollicis brevis, Flexor pollicis brevis.

Brachial Plexus Lesions


D - wrist Drop (is caused by...)
R - Radial nerve lesion
C - Claw hand (is caused by...)
U - Ulnar nerve lesion
M - Median nerve (lesion causes...)
A - Ape hand

Medial Malleolus

                    From Anterior to Posterior: "Tall Damsels Are Never Very Happy"
                    Tibialis posterior, flexor Digitorum longus, posterior tibial Artery, tibial Nerve, saphenous Vein, flexor Hallucis longus tendon


It measures 1x3x5 inches, weighs 7 ounces and lies between ribs 9-11.


Blood Constituents

Never Let Monkeys Eat Bananas:
Neutrophils, Leukocytes, Monocytes, Eosinophils, Basophils


Brent Spiner Gained Lieutenant Commander
Grandpa Shagged Grandmas Love Child:
Basale/Germinativum, Spinosum, Granulosum, Lucidum, Corneum

Collagen Types

Bone - Bone is collagen type I
Cartwolage - Cartilage is collagen type II


Under construction . . . get it?



Goodness Lateral Rectus
Gracious Superior Oblique
Father Fructose-6-P
Franklin Fructose-1,6-diP
Did Dihydroxyacetone-P
Go Glyceraldehyde-P
By 1,3-Bisphosphoglycerate
Picking 3-phosphoglycerate
Pumkins 2-phosphoglycerate
PrEPare Phosphoenolpyruvate [PEP]
Pies Pyruvate

Citric Acid Cycle

Oh Oxaloacetate
Citric Citrate
Acid Aconitate
Is Isocitrate
Of course Oxalosuccinate
A Alpha-ketoglutarate
SiLly Succinyl-CoA
STupid Succinate
Funny Fumarate
Molecule Malate

Dicarboxylic acids (alpha, omega) from C2-C10

Oh My, Such Good Apple Pie, Sweet As Sugar:
oxalic, malonic, succinic, glutaric, adipic, pimelic, suberic, azelaic, sebacic


In the Phasted (fasted) State, Phosphorylate:
Phosphorylation cascade active when blood glucose low.

Molecular Genetics

EXons EXpressed, INtrons IN the trash:
DNA expression into mature mRNA

Pyrimidines are "CUT" from purines.
Pyrimidines are Cytosine, Uracil, Thiamine and are one ring structures. Purines are double ring structures.

Cell Cycle

Go Sally Go! Make Children!
G1, S, G2, M, C
Growth phase 1, DNA Synthesis (replication), Growth phase 2, Mitosis, Cytokinesis.

Causes of Deviations from Hardy-Weinberg Equilibrium

Maggie May Does Not Smoke
Mutations, Migration, genetic Drift, Non-random mating, Selection.


People Meet And Talk, or
Prophase, Metaphase, Anaphase, Telophase.


Prophase I, Metaphase I, Anaphase I, Telophase I,
Prophase II, Metaphase II, Anaphase II, Telophase II,
(Note: 4 haploid daughter cells instead of 2 diploid daughter cells)


Beta Adrenergic Receptor Distribution

One heart, two lungs
heart is primarily beta-1; airway is beta-2

Chemoreceptor Trigger Zone

Sara Hates Men On Drugs
Serotonin, Histamine, Muscarinic agents, Opioids, Dopamine

Spinal Anesthesia

Little Boys Prefer Toys
Lidocaine, Bupivicaine, Procaine, Tetracaine


Adrenal Cortex

"Go Find Rex, Make Good Sex"
Glomerulosa, Fasiculata, Reticulata
Mineralocorticoids, Glucocorticoids, Sex hormones

Anterior Pituitary

F: Follicle Stimulating Hormone
L: Lutinizing Hormone
G: Growth Hormone
T: Thyroid Stimulating Hormone
P: Prolactin

Autonomic Nervous System

Sympathetic: fight or flight
Parasympathetic: rest and digest


"Profitable Businesses Pollute Our Rural Environment"
Proerythroblast, Basophilic, Polychromatophilic, Orthochromatic, Reticulocyte, Erythroblast

Fat-soluble Vitamins

Vitamins A,D,E, and K

Oxyhemoglobin Dissociation Curve

Think of an exercising muscle for a rightward shift:
Exercising muscle is:

acidic (lactic acid),
and has increased 2,3-DPG.

It benefits from oxygen unloading from red blood cells.

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