Synonyms: Calot triangle, Cystohepatic triangle Boundaries: Cysto-hepatic triangle (Budde-Rocko triangle): Calot’s triangle as described in modern surgery: Mnemonic: 3 C 1. Cystic duct 2. Common hepatic duct 3. Cystic artery Contents: Importance: The cystic artery and the duct have to be clearly defined to obtain the ‘critical view of safety’. These…
Tag: Anatomy
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Carpal Bones Ossification: Mnemonic
Roughly one center appears per year from the age of 1 year to 7 years, anti-clockwise in right hand and clock-wise in left hand looking from the anterior surface, i.e. from ulnar side to radial side. Pisiform, being a sesamoid bone it gets left behind and only develops years later. capitate: 1-3 months hamate:…
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Venous drainage of Face : “W” shaped arrangement
When we look from lateral side, the veins on each side form a “W” shaped arrangement. Each corner of the “W” is prolonged upward into the scalp, and downward into the neck. Remember the 3 verticla stems of letter “W”: 1st stem (in face): Facial vein 2nd stem (behind mandible,…
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Mathes and Nahai Classification of Muscle Flap based on Vascular Anatomy
Type Dominant pedicle Minor pedicle Example I 1 – Tensor Fascia Lata (TFL) II 1 1 Gracilis III 2 – Gluteus maximus IV – Multiple Sartorius V 1 Multiple Lattisimus dorsi Mnemonic: Ten Graceful Glutes Sat on Latrines Type I: TFL Type II: Gracilis Type III: Gluteus maximus Type IV:…
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Axillary Artery Mnemonics
Origin of Axillary Artery: Continuation of Subclavian artery Extent of Axillary Artery: Outer border of 1st rib to Lower border of teres major (terminates as brachial artery) Relation to Axillary Vein: Lateral to Axillary Vein 3 Parts of Axillary Artery: In relation to Pectoralis Minor muscle 1st part: Proximal 2nd…
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Maxillary Artery : Mnemonic
Origin of Maxillary artery: Terminal branch of External Carotid Artery (ECA) Derived from: 1st Arch Divisions of Maxillary artery: 3 parts by lateral pterygoid Branches of Maxillary artery Remember: Branches from 1st part Branches from the 2nd part Mnemonic: They supply muscles of mastication which are also derivatives of the…
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Branches of Subclavian artery : Mnemonic
Origin of Subclavian artery: Left: Arch of aorta Right: Brachiocephalic artery Extent of Subclavian artery: Arises posterior to sternoclavicular joint and ends at outer border of 1st rib by becoming acillary artery. Divisions of Subclavian artery: 3 parts in relation to Scalenus anterior muscle 1st part (medial to muscle) 2nd…
PGMEE, MRCS, USMLE, MBBS, MD/MS 
Anatomy of Middle Ear with Clinical correlation
The ear, along the evolution has modified structurally and functionally. In lower animals, they functioned as alarm systems to detect any sounds of the prey or predator so as to fix their vision and also maintain the balance of the body to prevent fall. In the course of evolution, this…