Advance Paper-II Paper IV: Embryology and Teratology

Paper Code: 
25LSC144B
Credits: 
04
Contact Hours: 
60

UNITS

TOPICS

TEACHING HOURS

Unit I

 Teratogenesis

  • General principle of teratology (genetic factors, critical period, initiating mechanism, consequences of abnormal development, Access to embryo and fetus- dose response relationship)
  • Teratological mechanism (mutation, chromosomal abnormalities, mitotic interference, interference with nucleic acid function, nutritional deficiencies , altered energy, changes in osmolarity, changes in cell membrane, enzyme inhibition.)
  • Teratogens; some specific examples.(Human and experimental animals)
  • Transport and biotransformation of xenobiotics by placenta/extra embryonic membranes.

15

Unit II

Reproductive Toxicology

  • Female reproduction (Hypothalamus, ovary assessment of female reproductive functions),
  • Male reproduction (Biology of male reproduction, assessment of male reproductive function)

 

 

Unit III

Embryogenesis of Chick

  • Reproduction
  • Structure and chemistry of the fertilized egg
  • Cleavage
  • Blastulation
  • Gastrulation
  • Neurulation and tubulation

10

Unit IV

Development of chick according to the hours of incubation

  • 25hrs
  • 33 hrs
  • 48 hrs
  • 72 hrs
  • 96 hrs till hatching.
  • Extra embryonic membranes of chick-types and their development

10

Unit V

 Avian Teratology:

  • Acute Oral Toxicity Studies
  • Dietary Toxicity Studies
  • Endocrine Disruptor Studies
  • Embryotoxicity of Industrial Chemical on chick embryo
  • Physiological and Biological effects of pesticide residues in poultry

15

 

ESSENTIAL READINGS: 
  • Developmental Biology:Scott F.Gilbert;Sinauer Associates,Inc.Publishers
  • An Introduction to Embryology:B.I.Balinsky:Thomson Brooks

 

Academic Year: