USMLE Step 1 Review/Anatomy

LOCATION OF THORACIC DUCT The duck is between two geese (duck = thoracic duct) 2 geese = azyGOUS and esophaGUS BRACHIAL PLEXUS Roots, Trunks, Divisions, Cords, Branches: --> Radical Teachers Drink Cold Beers Randy Travis Drinks Cold Beers. Robert Taylor Drinks Cold Beer. Red Trucks Drive Cats Nuts. Read The Damn Cadaver Book. Real Texans Drink Cold Beer. ATTACHMENTS OF CHEST MUSCLES A lady between two majors. Pectoralis major attaches to lateral lip of bicipital groove. Teres major attaches to medial lip of bicipital groove. Latissimus dorsi attaches to the floor of bicipital groove. The "lati" is between two "majors." "Lateral is less, medial is more." Lateral pectoral nerves goes through pectoralis major while medial pectoral nerve goes through both pectoralis major and minor CRANIAL NERVES I - olfactory, II - optic, III - oculomotor, IV - trochlear, V - trigeminal, VI - abducens, VII - facial, VIII - acoustic (vestibulocochlear), IX - glossophrayngeal, X - vagus, XI - accessory, XII - hypoglossal On Old Olympus Towering Tops, A Finn And German Viewed Some Hops Oh Once One Takes The Anatomy Final, Very Good Vacations Are Had Our Only Object To Touch And Feel Virgin Girls Vagina And Hymen-----is to learn cranial nerve names. You have I nose. You have II eyes. (I - Olfactory; II - Optic) --> Some Say Marry Money But My Brother Says Big Boobs Matter Most (Sensory, Motor, and Both) Sammy Sosa Makes Money But My Brother Says Barry Bonds Makes More OLd OPie OCasionally TRies TRIgonometry And Feels Vague GLOomy And HYPOactive (letters in capital have similar in CN's.) On Occasion Of Trader's Tea, Attractive Faces Are Girl Visitors. Say Hi. Choirs Of Silly Singers Sing Rhyms Out Side In Imertinent Jollienss Joyfully Jogging Home (to remember exits of cranial nerves (+2 for the 3 branches of CN:V) Oh Oh Oh To Touch And Feel Various Girls Very Attractive Hair(Cranial Nerves) Oh Oh Oh To Touch And Feel A Girl's Vagina, AH! (Cranial Nerves) On Occasion Our Trusty Truck Acts Funny - Very Good Vehicle Any-How Oh Once One Takes The Anatomy Final Very Good Vacations Are Heavenly Deep Reflexes Biceps (C5-6) elbow flexion Brachio-radialis (C5-6) elbow flexion & supination Triceps (C7) elbow extension Patellar (L3-4) knee extension = knee jerk Achilles (S1) plantar flexion = ankle jerk LR6 SO4 R3 LR6 - Lateral Rectus --> CN VI Abducens SO4 - Superior Oblique --> CN IV Trochlear R3 - The Remaining 4 eyeball movers --> CN III Occulomotor or LAST: LA = Lateral Rectus - Abducens Nerve, ST = Superior Oblique - Trochlear Nerve BRANCHES OF FACIAL NERVE Temporal, Zygomatic, Buccal, Mandibular, Cervical Two Zebras Bought My Car Two Zebras Bit My Cookie To Zanzibar By Motor Car Ten Zulus Buggered My Cat To Zionsville By Max's Car Tappan Zee Bridge May Close Two Zombies Bit My Cranium CERVICAL SPINAL NERVES c345 keep the diaphragm alive (innervation of diaphragm by the phrenic nerve) c5-6-7 raise your arms to heaven (nerve roots of long thoracic nerve innervate serratus anterior and if severed you see "winging" of the scapula) INNERVATION OF PENIS Parasympathetic causes erection. Sympathetic causes ejaculation. "Point and Shoot." "S2, 3, 4 keep the penis off the floor" Innervation of the penis by branches of the pudendal nerve, derived from spinal cord levels S2-4 AORTIC BRANCHES ABC'S Aortic arch gives off the Brachiocephalic trunk, the left Common Carotid, and the left Subclavian artery Order of things in the Femoral Triangle "N(AVEL)" (From Lateral To Medial) Nerve, Artery, Vein, Empty space, Lymphatics NOTE: Parenthesis includes things contained in the femoral sheath. LOCATION OF INQUINAL HERNIAS with Reference to the Inferior Epigastric Arteries: "MDs don't LIe" (Medial- Direct, Lateral - Indirect): Direct inquinal hernias are Medial while Indirect hernias are Lateral to the inferior epigastric arteries /Addendum Module: More Through Anatomy Notes/ - This page is just temporary until the additional information in that page can be better organized over multiple chapters/sections along with the rest of this book.