MBBS | Human-Anatomy | Syllabus | Embryology

S No Topic Domain Time (in hour)

Theory & practical

Must Know Desirable to Know Nice to Know
1. Introduction Cell division : mitosis and meiosis 1
2 Gametogenesis Spermato and spermiogenesis,Oogenesis Methods of contraception Menstrual cycle 3
3 First week of development Spermmaturationandcapacitation, ovulation,

fertilization, cleavage, implantation

Stem cells, IVF 1
4 Second week of development Bilaminar germ disc Ectopic pregnancy, H.mole, Teratology 1
5 Third week of development Gastrulation, Formation of notochord,


6 Third to eighth week of development Neurulation, neural crest cells, neural tube defects,

Derivatives of mesoderm


Folding of embryo 1
7 Placenta Foetal membranes,

Placenta : Structure, circulation and functions,Placentalbarrier

Amnion and amniotic fluid

Prenatal diagnosis,Twinning 2
8 Formation of tissues Formation of mesenchyme, blood, cartilage, bone Limb defect 1
9 Body cavities Pleural, pericardial and peritoneal cavities,

Formation of diaphragm with congenital diaphragmatic hernias


10 Skin and appendages Development of mammary gland, skin and appendages






11 Respiratory System Development of Lung buds & trachea

Maturation of the lungs


Tracheo-oesophageal Fistula Respiratory distress syndrome 1
12 Cardiovascular system Cardiac loop, cardiac septa, atrial & ventricular development, sinus venosus

Heart defects (anatomical basis) : ASD,VSD,PDA, Fallot’s Tetralogy, TGA

Fetal circulation,  Aortic arches,

portal vein formation


Development of veins Venous system defects 7
13 Alimentary System Division of gut tube & formation of mesentery,

Development of foregut structures : Oesophagus, Stomach,Duodenum, Hepato-biliary apparatus, Pancreas, Spleen,

Midgut:Rotation and Fixation,Caecum and Appendix,Meckel’sdiverticulum,

Hindgut:Cloaca, Rectum and Anal Canal with congenital malformations


Congenital Hypertrophic Pyloric stenosis, omphalocoele, gastroschisis 7
S.No Topic Domain Time (in hour)

Theory & practical

Must Know Desirable to Know Nice to Know
14 Development of head and neck Derivatives  of Pharyngeal arches and their innervation, pouches and clefts

Tongue, thyroid gland,

with developmental anomalies 5
15 Face, Nose and Palate development of face, nose ,palate with developmental anomalies


12 The Skeleton Development and ossification  of bones, skeleton,neural arch,vertebrae


13 Urogenital system Developmentof Kidneys andUreters

Urinary Bladder and Urethra with developmental anomalies;

Development of gonads (testis  and ovary) and genital ducts

With Congenital malformations

Renal defects ,; Renal tumours

Ambiguous genitalia and Hermaphroditism;

14 Endocrine system Adrenal, Parathyroid, Pituitary With Congenital malformations


15 Nervous System Spinal Cord, Brain- Forebrain, Midbrain and Hindbrain,


 Congenital malformations

Spina bifida, Anencephaly, Hydrocephalus

16 Special senses Development of eye Development of ear and anomalies of eye and ear