Embryology Mnemonic: Several Parts Build Diaphragm Embryonic components Parts of Diaphragm 1. Septum transversum Tendinous portion (Central tendon) 2. Pleuroperitoneal folds Muscular portion 3. Body wall muscles Muscular portion 4. Dorsal mesentery of esophagus Crura 3 Major Openings of Diaphragm Mnemonics: 1. I Eat Apples 8, 10, 12 or 2….
Tag: Anatomy
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Superior Orbital Fissure (SOF): Mnemonics
Superior Orbital Fissure (SOF) is a cleft between greater and lesser wing of sphenoid which connects orbit and middle cranial fossa. It is divided into 3 compartments by the tendinous ring (annulus of Zinn). Superior orbital fissure alone (Lateral compartment): Mnemonic: LFTS Superior orbital fissure in tendinous ring (Intermediate compartment):…
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Paranasal sinus drainage in Nasal cavity : Mnemonic
Lateral wall of nasal cavity has: Mnemonic: SPIN 1. Superior meatus: Posterior ethmoidal sinus 2. Inferior meatus: Nasolacrimal duct The sphenoidal sinus drains into spheno-ethmoidal recess (superior to superior concha). All others drain into middle meatus: Mnemonic: AM/FM
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Spermatic Cord : Mnemonics
Spermatic cord enters the inguinal canal through the deep inguinal ring and passes out through the superficial inguinal ring. 3 Coverings Mnemonic: ICE TIE Layer Origin Internal spermatic fascia Transversalis fascia Cremasteric fascia Internal oblique External spermatic fascia External oblique aponeurosis Contents 1. 3 Arteries: Mnemonic: ABCD Arteries – 2….
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Coronary Arteries : Mnemonic
Right coronary artery (RCA) Course: Branches: Mnemonic: TRaP Me IN Large: Small: Left coronary artery (LCA) Course: Branches: Mnemonic: LaTe PAD Large: Left Anterior Descending (LAD) artery – Small: Arterial supply of conducting system of heart 1. RCA: SA node, AV node, AV bundle 2. LCA: Right bundle branch of…
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Venous Drainage of Heart : Mnemonic
Mnemonic: CAT 1. Coronary sinus (50%): Drains blood from left side of heart → Thebesian valve → Right Atrium 2. Anterior cardiac veins (20%): Drain blood from right side of heart → Right Atrium 3. Thebesian veins/Venae cordis minimi (30%): Drain deoxygenated blood from endocardium and myocardium → Respective chamber…
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Transpyloric Plane : Mnemonic
Synonyms: Addison’s plane Definition: An imaginary horizontal line (halfway between suprasternal notch and pubic symphysis) through the L1 vertebra, a line that is important when performing radiographic imaging studies. Structures lying in transpyloric plane: Mnemonic: TRANSPYLORIC
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Bronchopulmonary segments : Mnemonic
Features of Bronchopulmonary segments: Right Lung Mnemonic: A PALM Seed Makes Another Little Palm (from top to bottom) 1. Superior lobe: 2. Middle lobe: 3. Inferior lobe: Left Lung Instead of lateral and medial segment as described in middle lobe of right lung, the left lung lingula has: Some books…