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AN9.1-3 | Pectoral region — Glossary
Glossary — Pectoral region
Key terms introduced in this module, in order of first appearance. Use this as a revision checklist.
| Term | Where Introduced |
|---|---|
| Clinical procedures: | relevance |
| Surgery: | relevance |
| Breast cancer: | relevance |
| Examination: | relevance |
| NMC 2024: | relevance |
| calcium homeostasis | relevance |
| nerve and muscle physiology | relevance |
| What you already know: | recall |
| Quick recap — where is the pectoral region? | recall |
| clavicle | recall |
| pectoralis major | recall |
| Attachments (Origin to Insertion): | Pectoralis Major — The Powerful Fan |
| sternum | Pectoralis Major — The Powerful Fan |
| lateral lip of the bicipital groove | Pectoralis Major — The Powerful Fan |
| humerus | Pectoralis Major — The Powerful Fan |
| Actions: | Pectoralis Major — The Powerful Fan |
| Adduction | Pectoralis Major — The Powerful Fan |
| Medial rotation | Pectoralis Major — The Powerful Fan |
| Flexion | Pectoralis Major — The Powerful Fan |
| Extension from flexed position | Pectoralis Major — The Powerful Fan |
| Nerve Supply: | Pectoralis Major — The Powerful Fan |
| lateral pectoral nerve | Pectoralis Major — The Powerful Fan |
| medial pectoral nerve | Pectoralis Major — The Powerful Fan |
| Pectoralis minor | Pectoralis Minor — The Deeper Stabiliser |
| Attachments: | Pectoralis Minor — The Deeper Stabiliser |
| ribs 3, 4, and 5 | Pectoralis Minor — The Deeper Stabiliser |
| Coracoid process | Pectoralis Minor — The Deeper Stabiliser |
| Depresses | Pectoralis Minor — The Deeper Stabiliser |
| Protracts | Pectoralis Minor — The Deeper Stabiliser |
| Clavipectoral fascia | Clavipectoral Fascia — The Gateway to the Axilla |
| Structure and boundaries: | Clavipectoral Fascia — The Gateway to the Axilla |
| subclavius | Clavipectoral Fascia — The Gateway to the Axilla |
| suspensory ligament of the axilla | Clavipectoral Fascia — The Gateway to the Axilla |
| costocoracoid membrane | Clavipectoral Fascia — The Gateway to the Axilla |
| What passes through it — Mnemonic LCTA: | Clavipectoral Fascia — The Gateway to the Axilla |
| Why it matters clinically: | Clavipectoral Fascia — The Gateway to the Axilla |
| breast | The Breast — Location, Extent, and Surface Anatomy |
| serratus anterior | The Breast — Location, Extent, and Surface Anatomy |
| Location and extent: | The Breast — Location, Extent, and Surface Anatomy |
| 2nd rib | The Breast — Location, Extent, and Surface Anatomy |
| 6th rib | The Breast — Location, Extent, and Surface Anatomy |
| sternal edge | The Breast — Location, Extent, and Surface Anatomy |
| mid-axillary line | The Breast — Location, Extent, and Surface Anatomy |
| nipple | The Breast — Location, Extent, and Surface Anatomy |
| 4th intercostal space | The Breast — Location, Extent, and Surface Anatomy |
| Axillary tail of Spence: | The Breast — Location, Extent, and Surface Anatomy |
| axillary tail of Spence | The Breast — Location, Extent, and Surface Anatomy |
| Retromammary space: | The Breast — Location, Extent, and Surface Anatomy |
| retromammary space | The Breast — Location, Extent, and Surface Anatomy |
| Areola and Montgomery glands: | The Breast — Location, Extent, and Surface Anatomy |
| areola | The Breast — Location, Extent, and Surface Anatomy |
| Montgomery glands | The Breast — Location, Extent, and Surface Anatomy |
| Glandular tissue | Structure of the Breast — Gland, Stroma, and Cooper's Ligaments |
| Fibrous and fatty stroma | Structure of the Breast — Gland, Stroma, and Cooper's Ligaments |
| Glandular tissue: | Structure of the Breast — Gland, Stroma, and Cooper's Ligaments |
| 15–20 lobes | Structure of the Breast — Gland, Stroma, and Cooper's Ligaments |
| lobules | Structure of the Breast — Gland, Stroma, and Cooper's Ligaments |
| alveoli | Structure of the Breast — Gland, Stroma, and Cooper's Ligaments |
| lactiferous duct | Structure of the Breast — Gland, Stroma, and Cooper's Ligaments |
| lactiferous sinus | Structure of the Breast — Gland, Stroma, and Cooper's Ligaments |
| Cooper's ligaments and clinical importance: | Structure of the Breast — Gland, Stroma, and Cooper's Ligaments |
| suspensory ligaments of the breast | Structure of the Breast — Gland, Stroma, and Cooper's Ligaments |
| skin dimpling | Structure of the Breast — Gland, Stroma, and Cooper's Ligaments |
| Microanatomy: | Structure of the Breast — Gland, Stroma, and Cooper's Ligaments |
| myoepithelial cells | Structure of the Breast — Gland, Stroma, and Cooper's Ligaments |
| Blood supply: | Blood Supply and Lymphatic Drainage of the Breast |
| Lateral thoracic artery | Blood Supply and Lymphatic Drainage of the Breast |
| Internal thoracic artery | Blood Supply and Lymphatic Drainage of the Breast |
| Intercostal arteries | Blood Supply and Lymphatic Drainage of the Breast |
| Thoracoacromial artery | Blood Supply and Lymphatic Drainage of the Breast |
| Lymphatic drainage — the most clinically critical aspect: | Blood Supply and Lymphatic Drainage of the Breast |
| axillary lymph nodes | Blood Supply and Lymphatic Drainage of the Breast |
| Level I | Blood Supply and Lymphatic Drainage of the Breast |
| Level II | Blood Supply and Lymphatic Drainage of the Breast |
| Level III | Blood Supply and Lymphatic Drainage of the Breast |
| Sentinel lymph node biopsy: | Blood Supply and Lymphatic Drainage of the Breast |
| sentinel node | Blood Supply and Lymphatic Drainage of the Breast |
| Troisier sign: | Blood Supply and Lymphatic Drainage of the Breast |
| Quadrant rule for lymphatic spread in breast cancer: | clinical_pearl |
| Embryological development: | Development of the Breast, Age Changes, and Congenital Anomalies |
| mammary ridge | Development of the Breast, Age Changes, and Congenital Anomalies |
| Hormonal milestones and age changes: | Development of the Breast, Age Changes, and Congenital Anomalies |
| oestrogen | Development of the Breast, Age Changes, and Congenital Anomalies |
| progesterone | Development of the Breast, Age Changes, and Congenital Anomalies |
| prolactin | Development of the Breast, Age Changes, and Congenital Anomalies |
| oxytocin | Development of the Breast, Age Changes, and Congenital Anomalies |
| Congenital anomalies: | Development of the Breast, Age Changes, and Congenital Anomalies |
| Polythelia | Development of the Breast, Age Changes, and Congenital Anomalies |
| Polymastia | Development of the Breast, Age Changes, and Congenital Anomalies |
| Amastia | Development of the Breast, Age Changes, and Congenital Anomalies |
| Gynaecomastia | Development of the Breast, Age Changes, and Congenital Anomalies |
| Inverted nipple | Development of the Breast, Age Changes, and Congenital Anomalies |
| Kolb Reflection — Pectoral Region | reflection |
| CE (Concrete Experience): | reflection |
| RO (Reflective Observation): | reflection |
| AC (Abstract Conceptualisation): | reflection |
| AE (Active Experimentation): | reflection |
| Key Takeaways — Pectoral Region (AN9.1–AN9.3) | summary |
| Breast location | summary |
| Breast structure | summary |
| Blood supply | summary |
| Lymphatic drainage | summary |
| Breast development | summary |
| Congenital anomalies | summary |
| Cross-subject links: | summary |
105 terms in this module