Inferior Vena Cava Scheme (Visceral + Parietal Tributaries)

Uploaded April 2022 | Updated September 2026, 2 weeks ago

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Content:
0:00 Introduction
0:16 Topography of Inferior Vena Cava
1:22 Tributaries of Inferior Vena Cava
1:33 Visceral Tributaries
3:32 Parietal Tributaries

Inferior Vena Cava
Topography of the Inferior Vena Cava
- Largest Vein of the Human Body
- Collects blood from the lower half of the body
- No valves
- Lies on the right side of the Abdominal Aorta
- Forms the right sagittal groove ont he liver
- Goes through the caval opening (diaphragm)

Visceral Tributaries
- Right Hepatic Vein, Intermediate Hepatic Vein, Left Hepatic Vein (venae hepaticae)
- Right Suprarenal Vein (vena suprarenalis dextra)
- Left Renal Vein (vena renalis sinister)
○ Left Suprarenal Vein (vena suprarenalis sinister)
○ Left Testicular Vein (vena testicularis sinistra)
○ Left Ovarian Vein (vena ovarica sinistra)
- Right Renal Vein (vena renalis dexter)
- Right Ovarian Vein (vena ovarica dextra)
- Right Testicular Vein (vena testicularis dextra)
- Genital branches drain the pampiniform plexus (plexus pampiniformis)

Parietal Tributaries
- Lumbar Veins (venae lumbales)
○ Communicate with: External and Internal Vertebral Venous Plexuses (plexus venosus vertebralis externus et internus) and the Ascending lumbar veins (vena lumbalis ascendens)
- Inferior Phrenic Veins (venae phrenicae Inferiores)

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$Ribs & Sternum (Thoracic Cage): Classification, Landmarks & Clinical Anatomy 🌐 Website: https://taimtalksmed.com/ 🫀 Help keep this content free: youtube.com/channel/UCEr7pkSXVsHcBLLBcJAGV-Q/join 🔬 Get 10% off anatomy lab models (affiliate link): https://anatomywarehouse.com?aff=34 📲 Other Links: Instagram: https://www.instagram.com/taimtalksmed/ Discord: https://discord.com/invite/DENMUpS8ey Content: 00:00 Introduction & Content 00:38 Ribs Anatomy 01:13 True vs False Ribs 02:08 Typical Rib 04:27 Atypical Ribs 07:05 Sternum 09:33 Thorax 10:09 Outro Ribs and Sternum Anatomy | Bones of the Thorax Structures covered in this video: Rib Classification by Sternum Connection: • True ribs (Ribs 1–7) • False ribs (Ribs 8–10) • Floating ribs (Ribs 11–12) Rib Classification by Structure: • Typical ribs (Ribs 3–9) • Atypical ribs (Ribs 1, 2, 10, 11, 12) External and Internal Anatomy of a Typical Rib (e.g., Rib 4): • Costal end / Sternal end (Extremitas costalis) • Head of rib (Caput costae) • Superior articular facet (Facies articularis superior) • Inferior articular facet (Facies articularis inferior) • Crest of the head (Crista capitis costae) • Neck of rib (Collum costae) • Tubercle of rib (Tuberculum costae) • Articular facet of tubercle (Facies articularis tuberculi costae) • Angle of rib (Angulus costae) • Body/Shaft of rib (Corpus costae) • Costal groove (Sulcus costae) Atypical Rib Features: • First rib • Scalene tubercle (Tuberculum musculi scaleni) • Groove for subclavian vein (Sulcus venae subclaviae) • Groove for subclavian artery (Sulcus arteriae subclaviae) • Second rib • Tuberosity for serratus anterior (Tuberositas musculi serrati anterioris) • Tenth to twelfth ribs • Single articular facet • Absence of neck and tubercle (Ribs 11 & 12) • Free anterior ends Muscle Attachments and Clinical Notes: • Scalenus anterior and medius insertion on first rib • Serratus anterior origin on first and second ribs • Latissimus dorsi and quadratus lumborum on floating ribs • Thoracic outlet syndrome and subclavian vessel relationships • Common rib fracture site at rib angle • Intercostal neurovascular bundle in costal groove Sternum Anatomy: • Manubrium (Manubrium sterni) • Jugular notch (Incisura jugularis) • Clavicular notches (Incisurae claviculares) • First costal notch (Incisura costalis prima) • Body of sternum (Corpus sterni) • Costal notches for ribs 2–7 (Incisurae costales) • Xiphoid process (Processus xiphoideus) • Diaphragm, rectus abdominis, and transversus thoracis attachment • Sternal angle (Angulus sterni) Thoracic Apertures: • Superior thoracic aperture • Inferior thoracic aperture Connections to Surrounding Structures: • Costal cartilages • Clavicle articulation (Sternoclavicular joint) • Rib articulation (Sternocostal joints) • Thoracic cage structure and function Clinical anatomy and relevance: • CPR-related xiphoid fractures • Central venous access landmarks • Rib fractures and costal groove neurovascular damage • Palpation of sternal angle and rib counting Sources: • Kozlowski, T. (2017). Memorix Anatomy, 2nd ed. • Standring, S. (2020). Gray’s Anatomy, 42nd ed. • Tubbs RS, Shoja MM, Loukas M. (2016). Bergman’s Encyclopedia of Human Anatomic Variation • White TD, Folkens PA. (2005). The Human Bone Manual Programs used: Complete Anatomy, Biorender, PowerPoint$