𝟏𝟎. 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐨𝐟 𝐭𝐡𝐞 𝐫𝐞𝐬𝐩𝐢𝐫𝐚𝐭𝐨𝐫𝐲 𝐬𝐲𝐬𝐭𝐞𝐦 🫁 (تطور الجهاز التنفسي)

"𝗧𝗵𝗶𝘀 𝘃𝗶𝗱𝗲𝗼 𝗲𝘅𝗽𝗹𝗮𝗶𝗻𝘀 𝘁𝗵𝗲 𝗳𝗼𝗿𝗺𝗮𝘁𝗶𝗼𝗻 𝗼𝗳 𝘁𝗵𝗲 𝗹𝘂𝗻𝗴 𝗯𝘂𝗱 𝗮𝗻𝗱 𝗶𝘁𝘀 𝗽𝗮𝗿𝘁𝗶𝗰𝗶𝗽𝗮𝘁𝗶𝗼𝗻 𝗶𝗻 𝘁𝗵𝗲 𝗱𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 𝗼𝗳 𝘁𝗵𝗲 𝗿𝗲𝘀𝗽𝗶𝗿𝗮𝘁𝗼𝗿𝘆 𝘀𝘆𝘀𝘁𝗲𝗺." 𝐂𝐡𝐚𝐩𝐭𝐞𝐫𝐬 (𝐭𝐢𝐦𝐞𝐬𝐭𝐚𝐦𝐩𝐬)💡الفصول (الطوابع الزمنية) 00:00 - Intro (مقدمة) 00:22 - Content (المحتوى) 00:37 - Embryological Origin 02:14 - Development (Embryogenesis) 06:16 - A. Development of the right lung 08:15 - B. Development of the left lung 11:11 - Congenital Anomalies 11:40 - 1. Tracheoosophageal fistula 12:37 - 2. Variation in the number of lobes of the lung 14:30 - MCQ 𝐌𝐂𝐐: 💪🦾 1. A mother complains that her newborn baby is subjected to repeated suffocation during lactation and at the same time to repeated chest infections. What is your provisional diagnosis? A. Laryngeal web B. Tracheoesophageal fistula C. Accessory lobe of the lung D. Congenital laryngeal stenosis 2. Which of the following structures gives rise to the cartilage of the tracheobronchial tree? A. Somatic mesoderm B. Splanchnic mesoderm C. Endoderm D. Ectoderm 3. What are the divisions of the left primary lung bud? A. Two secondary branches B. Three secondary branches C. Two tertiary branches D. Doesn’t divide 4. What is the origin of the endothelium and glands of the lung? A. Ectoderm B. Endoderm of foregut C. Endoderm of hindgut D. Endoderm of midgut 5. What is the most likely outcome of failed separation of the trachea from the esophagus during development? A. Pulmonary hypoplasia B. Laryngomalacia C. Tracheoesophageal fistula D. Bronchiectasis 6. Which of the following structures forms from the splanchnic mesoderm in the developing lung? A. Alveolar epithelium B. Smooth muscle and connective tissue C. Tracheal epithelium D. Ciliated columnar cells of bronchi 7. Surfactant is first produced at which of the following gestational ages? A. 12–14 weeks B. 16–18 weeks C. 20–22 weeks D. 24–28 weeks 8. A newborn presents with severe respiratory distress and air-filled bowel loops visible in the chest on X-ray. What is the most likely diagnosis? A. Tracheoesophageal fistula B. Diaphragmatic hernia C. Pulmonary sequestration D. Bronchial atresia 9. What is the origin of the visceral pleura in embryological development? A. Somatic mesoderm B. Splanchnic mesoderm C. Paraxial mesoderm D. Neural crest cells 😂💞 🤣 𝓦𝓪𝓲𝓽𝓲𝓷𝓰 𝓕𝓸𝓻 𝓨𝓸𝓾𝓻 𝓐𝓷𝓼𝔀𝓮𝓻 😂💞 🤣 𝐀𝐧𝐬𝐰𝐞𝐫𝐬 𝐭𝐨 𝐌𝐂𝐐𝐬: 👇😀 𝟭. 𝗕 𝟮. 𝗕 𝟯. 𝗔 𝟰. 𝗕 𝟱. 𝗖 𝟲. 𝗕 𝟳. 𝗗 𝟴. 𝗕 𝟵. 𝗕 𝐅𝐨𝐫 𝐜𝐨𝐧𝐭𝐚𝐜𝐭: 📢 📌𝐄𝐦𝐚𝐢𝐥: [email protected] 📌𝐅𝐚𝐜𝐞𝐛𝐨𝐨𝐤 𝐩𝐞𝐫𝐬𝐨𝐧𝐚𝐥 𝐚𝐜𝐜𝐨𝐮𝐧𝐭:   / drayman.khanfour   📌𝐅𝐚𝐜𝐞𝐛𝐨𝐨𝐤 𝐠𝐫𝐨𝐮𝐩:   / 314015989895733   📌𝐓𝐞𝐥𝐞𝐠𝐫𝐚𝐦 𝐜𝐡𝐚𝐧𝐧𝐞𝐥: https://t.me/+k-LcyYc-0WsyNDg0 📌𝐓𝐞𝐥𝐞𝐠𝐫𝐚𝐦 𝐠𝐫𝐨𝐮𝐩: https://t.me/+S-dZx8Sf-LBiOWE0 📌𝐈𝐧𝐬𝐭𝐚𝐠𝐫𝐚𝐦:   / dr_aymn   📌𝐘𝐨𝐮𝐓𝐮𝐛𝐞 𝐜𝐡𝐚𝐧𝐧𝐞𝐥 𝐰𝐞𝐛𝐬𝐢𝐭𝐞 𝐥𝐢𝐧𝐤:    / @dr.ayman_khanfour   📞𝐌𝐨𝐛𝐢𝐥𝐞 (𝐚𝐧𝐝 𝐖𝐡𝐚𝐭𝐬𝐀𝐩𝐩): +20 1223815866 𝐇𝐚𝐬𝐡𝐭𝐚𝐠: 🔍 #development_of_respiratory_system #lung_bud #congenital_anomalies