FIRST YEAR EMBRYOLOGY PART 2

FIRST YEAR EMBRYOLOGY PART 2

Stages of early embryonic development in second and third week of intrauterine life.

The above mentioned point is given in chapter 3 and 4 of KLM Embryology.

Second week of human development 

First go through the complete chapter from KLM chapter no. 3.

Important topics:

• Development of chorionic sac

• Difference between extraembryonic somatic and splanchnic mesoderm

• Ectopic pregnancies(important for MCQS,SEQS)

Abnormal positions of placenta (simplified in compiled form written in sharjeel review of embryology)

Third week of human development

Do have a complete read from KLM chapter no. 4.

Important topics:

• Characteristics of 3rd week( first paragraph of chapter)

• Process ofGastrulation (Imp)

• Formation of primitive streak

• Fate of primitive streak

• Formation of notochord(M. imp SEQ)

• Allantois(important for SEQ, viva)

• What are chordomas?(M. imp)

• What are allantoic cysts?(M imp)

• Neurulation

• Derivatives of all regional types of mesoderms( simplified and compiled form written in Langmann embryology.)

• What are hydatidiform moles?