Module 7 - Developmental Biology Flashcards
Hemorrhagic vs Ischemmic stroke
Hemorrhagic
- due to burst blood vessel
- acts like a bruise
- causes inflammation and death of cells
Ischemmic
- due to blood clot
- wide spread death of cells, the worse type of stroke
What do myeloid stem cells produce?
Granulocytes, erythrocytes and platletes
What do lymphoid stem cells produce?
T cells and B cells
What is a totipotent stem cell? Example
Stems cells that have unlimited capability to give rise to any cell within or outside of the body
e.g. embryonic stem cell
What is a phuripotent stem cell? Example
Stem cells that can give rise to any cell within the body
e.g. inner mass cells
What is a multipotent stem cell? Example
Stem cells that can give rise to cells that have specific function
e.g. blood stem cells
What is blastocyst?
early embryo (8 day) consisting of inner cell mass and trophectoderm
What are embryonic stem cells?
Stem cells that proliferate indefinitely and has the potential to differentiate into any kind of cell
A totipotent stem cell
What is a somatic stem cells? What are some other names for such cells?
A stem cells that gives rise to limited cell types
Multipotent stem cells
Adult, body or mature stem cells
What is the trophectoderm?
the layer of cells around the inner cell mass of a blastocyst
How can you make stem cells without using an embryo?
Somatic cell nuclear transfer
What is a fibroblast?
Purified cells developed from sample such as skin scrape
What is an oocyte?
an unfertilised egg without a nucleus
How does SCNT work?
the nucleus gets tricked by egg so it replicates and acts like a fertilised egg and a blastocyst containing the DNA of the fibroblast is produced
