Surface ectoderm derivatives Mnemonic: LEVeL Lens Epithelium All ocular adnexa including mebomian gland and glands of Zeis and Moll Skin Cornea Conjunctiva Vitreous (portion) Lacrimal…
Explore more Embryology of Eye : Mnemonic
Tag: Embryology
Embryology Week 4: Rule of Fours
Second week is the week of twos. In third week trilaminal germ disc is formed. And now, here I have attempted to fit the fourth…
Explore more Embryology Week 4: Rule of Fours
Lung Development – Embryology Made Easy
Remember the mnemonic – “Every Premature Child Takes Air“. The development of lungs comprises of 5 distinct stages: Embryonic (3-8 weeks, i.e. embryonic period) Pseudoglandular…
Explore more Lung Development – Embryology Made Easy
Diaphragm and Body Cavities Development – Embryology Made Easy
Let’s go back to the 4th week during the development of heart. The primitive intraembryonic coelom forms in the lateral and cardiogenic mesoderm during 4th…
Explore more Diaphragm and Body Cavities Development – Embryology Made Easy
Fetal Circulation Made Easy
Following are the important features of fetal circulation: 1. Placenta plays the role of lungs; lungs are not functional: Like pulmonary veins, left umbilical vein…
Explore more Fetal Circulation Made Easy
Renal (Kidney) Development – Embryology Made Easy
Kidney development occurs chronologically from cranial to caudal direction from urogenital ridge (intermediate mesoderm) in 3 different phases. Intermediate mesoderm → urogenital ridge (longitudinal elevation…
Explore more Renal (Kidney) Development – Embryology Made Easy
Face and Palate Development – Embryology made Easy
4 week embryo 5 mesenchymal prominences (facial primordia) appear in relation to the stomodeum (a depression in the surface ectoderm which marks the future mouth…
Explore more Face and Palate Development – Embryology made Easy
Heart Development – Embryology Made Easy
Heart Tube At the beginning of 4th week of development, heart is a continuous and valveless linear tube that resembles a chicken hung upside-down. It consists…
Explore more Heart Development – Embryology Made Easy