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  LUNGS Lungs are paired organs of respiration invested by pulmonary pleura except at the hilum and the attachment of the pulmonary ligament. For dissection videos of the right and the left lungs- watch these videos: https://youtu.be/Ub4qyKph3Gs https://youtu.be/qQDlDQS_9kI For detailed video of the gross features of the lungs, watch this video: https://youtu.be/3vbYLAykuwI For video of bronchopulmonary segments, watch this video: https://youtu.be/c1_2nUUk7dk Presenting parts : Each lung is half conical shape and presents Apex and base Costal and medial surfaces Three borders – anterior, posterior and inferior Apex :  Apex is an area above the impression of the 1 st rib and its costal cartilage ( not a point) It is situated at the root of the neck Apex is covered by cervical pleura and by supra pleura; membrane. Relations of the apex : The relations are similar on both sides except on the medial side. Infront : Subclavian artery and vein with the scalenus anterior in between Origi

POPLITEAL FOSSA

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CHAPTER – 5 POPLITEAL FOSSA                 For detailed description of popliteal fossa, watch this video: https://youtu.be/uANPw5uZMrk   For dissection of popliteal fossa, watch this video: https://youtu.be/dfbIWzqEzxY A diamond shaped space behind the knee as depression in flexed knee.   Boundaries of popliteal fossa:   Supero-medially: Semitendinosus and semimembranosus Supero-laterally:   Biceps femoris Infero-medially: Medial head of gastrocnemius Infero-laterally:   Lateral head of gastrocnemius and popliteus Floor: from above downwards a)     Popliteal surface of femur b)     Oblique popliteal ligament c)     Upper end of tibia (posterior) and fascia covering popliteus Contents of popliteal fossa: (from deep to superficial) 1)     Popliteal artery 2)     Popliteal vein 3)     Tibial nerve 4)     Common peroneal nerve 5)     Popliteal lymph nodes 6)     Genicular branch of posterior division of obturator nerve. In roof: 7)     Terminat