Principles Of Embryology

Question 0

What is the name of the period from week 4-week 8?

Answer 0

Embryo

Question 1

What weeks are conceptus?

Answer 1

Fertilisation to the end of week 3

Question 2

What weeks are associated with foetal period?

Answer 2

Week 9-birth

Question 3

What is embryology?

Answer 3

Study of embryos and their development from single fertilised egg to a human baby

Question 4

What is embryogenesis?

Answer 4

Formation and development of an embryo

Question 5

What is the process called where cells undergo meiosis to form gametes?

Answer 5

Gametogenesis

Question 6

What are other names for sperm and egg?

Answer 6

Spermatozoa and oocyte

Question 7

What is fertilisation?

Answer 7

Formation of a zygote

Question 8

What is the name of the period of rapid cell division

Answer 8

Cleavage

Question 9

What is gastrulation

Answer 9

Formation of 3 germ layers-ectoderm, mesoderm, endoderm

Question 10

what is morphogenesis

Answer 10

Formation of the body plan (embryonic folding)

Question 11

What is th r formation of organs called?

Answer 11

Organogenesis

Question 12

What happens during the foetal period?

Answer 12

Growth and weight gain
Tissues mature and become functional
Sexual differentiation

Question 13

Name 6 Primary processes

Answer 13

Apoptosis
Cell division
Differentiation
Cell attachment 
Induction- one cell able to cause another cell type to differentiate 
Cell migration

Question 14

What are 4 secondary processes?

Answer 14

Axis formation
Folding- formation of complex organs
Expansion-hypertrophy and hyperplasia
Compaction- increase cell number

Question 15

What are the controls of development

Answer 15

Genetic, epigenetic and environment