Lecture 1 Introduction to Anatomy Flashcards
-Understand the need for knowledge of human physiology in medical sciences -Appreciate the various levels of organisation of the human body -Develop an understanding of basic human embryonic development
1
Q
What leads to organ failure?
A
Cell death
2
Q
How many cells on average does one human have?
A
10^13 cells
3
Q
Name two examples of gametes
A
Sperm
Ova
4
Q
How many chromosomes does a gamete have?
A
23 chromosomes
5
Q
What is the new cell called when a sperm and ova fuse?
A
Zygote
6
Q
What are the cells formed from the cleavage of a zygote called?
A
Blastomeres
7
Q
Cells in a morula are…..
A
Totipotent
8
Q
By day 3-4 what is the group of cells called?
A
Morula
9
Q
When the morula enters the uterus what happens?
A
The cells are reorganised into the blastocyst.
10
Q
What is the name of the wall that the blastocyst has to attach to?
A
Endometrium
11
Q
What is gastrulation?
A
Stem cell differentiation
12
Q
Name the three germ layers
A
Ectoderm
Mesoderm
Endoderm
