𝟎𝟕. 𝐓𝐡𝐢𝐫𝐝 𝐰𝐞𝐞𝐤 𝐨𝐟 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 (𝐠𝐚𝐬𝐭𝐫𝐮𝐥𝐚𝐭𝐢𝐨𝐧) 3️⃣ 🧬 (تطور الأسبوع الثالث - تَكَوُّنُ المُعَيدَة) скачать в хорошем качестве

𝟎𝟕. 𝐓𝐡𝐢𝐫𝐝 𝐰𝐞𝐞𝐤 𝐨𝐟 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 (𝐠𝐚𝐬𝐭𝐫𝐮𝐥𝐚𝐭𝐢𝐨𝐧) 3️⃣ 🧬 (تطور الأسبوع الثالث - تَكَوُّنُ المُعَيدَة)

"𝗧𝗵𝗶𝘀 𝘃𝗶𝗱𝗲𝗼 𝗲𝘅𝗽𝗹𝗮𝗶𝗻𝘀 𝘁𝗵𝗲 𝗽𝗿𝗼𝗰𝗲𝘀𝘀 𝗼𝗳 𝗴𝗮𝘀𝘁𝗿𝘂𝗹𝗮𝘁𝗶𝗼𝗻 𝗶𝗻𝘃𝗼𝗹𝘃𝗶𝗻𝗴 𝘁𝗵𝗲 𝗳𝗼𝗿𝗺𝗮𝘁𝗶𝗼𝗻 𝗼𝗳 𝘁𝗵𝗲 𝗶𝗻𝘁𝗿𝗮𝗲𝗺𝗯𝗿𝘆𝗼𝗻𝗶𝗰 𝗺𝗲𝘀𝗼𝗱𝗲𝗿𝗺 𝗮𝗻𝗱 𝘁𝗵𝗲 𝗻𝗼𝘁𝗼𝗰𝗵𝗼𝗿𝗱 (𝘁𝗿𝗶𝗹𝗮𝗺𝗶𝗻𝗮𝗿 𝗴𝗲𝗿𝗺 𝗱𝗶𝘀𝗰) (𝗶𝗻𝗰𝗹𝘂𝗱𝗶𝗻𝗴 𝗠𝗖𝗤, 𝗽𝗿𝗮𝗰𝘁𝗶𝗰𝗮𝗹, 𝗮𝗻𝗱 𝗶𝗻𝘁𝗲𝗿𝗮𝗰𝘁𝗶𝘃𝗲 𝗾𝘂𝗲𝘀𝘁𝗶𝗼𝗻𝘀)." 𝐂𝐡𝐚𝐩𝐭𝐞𝐫𝐬 (𝐭𝐢𝐦𝐞𝐬𝐭𝐚𝐦𝐩𝐬)💡الفصول (الطوابع الزمنية) 00:00 - Intro (مقدمة) 00:22 - Content (المحتوى) 00:44 - Gastrulation 01:11 - Definition 03:22 - Intraembryonic mesoderm 28:19 - Notochord 28:20 - Formation of notochord 31:12 - Functions of notochord 35:42 - Clinical application 37:54 - MCQs 39:14 - Practical questions 𝐌𝐂𝐐: 💪 👋 1. Gastrulation results in the formation of which of the following structures? A. Neural tube B. Bilaminar germ disc C. Trilaminar germ disc D. Placenta 2. Which week of development does the primitive streak appear? A. First week B. Second week C. Third week D. Fourth week 3. Which of the following structures does the notochord originate from? A. Ectoderm B. Mesoderm C. Endoderm D. Neural crest cells 4. Which structure induces the overlying ectoderm to form the neural plate? A. Somites B. Notochord C. Neural crest D. Yolk sac 5. Which of the following structures is a derivative of neural crest cells? A. Brain ventricles B. Neural tube C. Melanocytes D. Notochord 6. Which of the following events marks the third week of development? A. Organ formation B. Neurulation C. Gastrulation and formation of the primitive streak D. Implantation 7. Somites begin to form during which week? A. Second week B. Third week C. Fourth week D. Fifth week 8. Which of the following structures is a derivative of the somatopleure of the lateral plate mesoderm? A. Axial skeleton B. Voluntary muscles of the trunk C. Visceral layer of the pleura D. Cardiogenic plate 9. A 4-month pregnant patient is being seen due to hypertension and vaginal bleeding. High levels of hCG are found; meanwhile, no inner cell mass (embryo) is present. What is likely her diagnosis? A. Hydatidiform mole B. Ectopic pregnancy C. Placenta previa D. Placenta accrete 10. Folic acid deficiency is now believed to be a major cause of what class of malformations? A. Trisomies B. Neural tube defects C. Ambiguous genitalia D. Polyploidy 😂💞 🤣 𝓦𝓪𝓲𝓽𝓲𝓷𝓰 𝓕𝓸𝓻 𝓨𝓸𝓾𝓻 𝓐𝓷𝓼𝔀𝓮𝓻 😂💞 🤣 𝐀𝐧𝐬𝐰𝐞𝐫𝐬 𝐭𝐨 𝐌𝐂𝐐𝐬: 👇😀 𝟭. 𝗖 𝟮. 𝗖 𝟯. 𝗕 𝟰. 𝗕 𝟱. 𝗖 𝟲. 𝗖 𝟳. 𝗕 𝟴. 𝗗 𝟵. 𝗔 𝟭𝟬. 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: 🔍 #third_week_development #Gastrulation #notochord