Growth And Development Flashcards
What is growth?
The process of increasing in size and cells increasing
What is development?
Grows or changing to become more advanced
What is organogenesis?
The process in which organs and tissues of the body develop from the 3 layers, endoderm mesoderm and ectoderm
What are the main hormones concerned with growth?
Pituitary growth hormone, thyroid hormone, testosterone and oestrogen
What are the 9 human life stages?
1) sperm/egg
2) fertilisation
3) zygote
4) blastocyst
5) embryo
6) foetus
7) child
8) adolescent
9) adult
What are the three germ layers of the embryonic disc?
Ectoderm
Mesoderm
Endoderm
What is fertilisation?
When the egg and sperm joins together
When does the most growth take place?
Birth - 2 years and adolescence
What is synaptic pruning?
Getting rid of old connections and synapses
