Medico Guides 5th Block Embryology Guidelines

Prepared by: 

Ahsan Ali (G14)                 

Hadia Imtiaz (G13)    

Compiled by: 

                   Muhammad Ahmad Bhatti (G14)

Reference Books:

  • Langman Medical Emryology 14th Edition

Chapter 17: 

 (EnR-A-027) 

  • Complete thyroid development (initial development and descent + types of cells)
  • Thyroglossal duct/cyst is very imp

(EnR-A-028 & EnR-A-029) 

  • Written in 3rd and 4th pharyngeal pouches (understand and try to write it in your own words as it’s scattered here)
  • Histogenesis
  • Ectopic Parathyroid: Because the 3rd pouch derivatives migrate a long distance with the thymus, inferior parathyroid frequently residing within the thymus or superior mediastinum
  • Aberrant (Ectopic) Thyroid left behind along the path of descent. The most common site is the base of the tongue (lingual thyroid) (functional)

Chapter 18:

(EnR-A-030)

❖ Pituitary development is written in the forebrain section

❖ High Yield things are sources and types of tissues (also Ta

❖ Clinical [craniopharyngiomas (imp)

Chapter 16 / Urogenital System

 (EnR-A-033) 

Indifferent Gonads & Sex Determination

  • The concept about indifferent gonads and SRY gene is imp, rest is just read
  • Development of testis (read)
  • Descent of testis(imp)

(EnR-A-034)

  • Clinical of undescended testis (cryptorchidism) (v imp)

 (EnR-A-035)

  • It covers complete genital system development.
  • Give a read to the whole topic from the book (for mcqs and concept) then do it from the 2nd year embryo notes
  • All clinicals are important so do all of them, nothing to skip here (uterus clinicals are very imp)

UHS 5th Block

(Module No 09)

Chapter 17 / Head and Neck:

(HNSS-A-031&32&33)

  • Study pharyngeal apparatus and its components table 17.1 (vvv imp)
  • Make notes of all the derivatives of pharyngeal pouches, arches, membranes & grooves (as all these often get confused and asked about)

(HNSS-A-034)

  • If you study thoroughly, all these will be covered in the upper section; these are just sub-divisions of it.
  • Do all clinicals 

(HNSS-A-035)

  • All clinicals here are important

(HNSS-A-038)

  • The thyroid part is covered in module 8.
  • Do tongue development and its clinicals.

(HNSS-A-035)

  • Face and nasolacrimal duct development (especially facial prominences and their derivatives and their clinicals)

(HNSS-A-036) 

  • Simple read to paranasal sinuses (not much imp)

(HNSS-A-037) 

Development of larynx. Prepare with pharyngeal arches 

(HNSS-A-038) 

  • Development of lip & palate and their clinicals of cleft lip & palate are very imp

Chapter 19 + 20: 

(HNSS-A-039)

  • Do eye in chap 20 
  • Can do from medico express/Sharjeel/pdf 
  • Do clinicals from Lagman 
  • Chapter 19 Inner Ear Development only (not imp) from Sharjeel or pdf shared and all clinical from Langman

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