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HHB Unit 1.1
Div & Diff
21
Biology
Not Applicable
05/26/2017

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Term
differentiation
Definition
changes to cells that allow them to specialise for different functions
Term
stem cells
Definition
unspecialised cell that can divide and then differentiate
Term
somatic cells
Definition
body cell that divides by mitosis to form more body cells
Term
pluripotent
Definition
(stem cell) has the potential to make almost all differentiated cell types of the body
Term
embryonic stem cells
Definition
stem cells from the embryo that can divide and become any type of body cell
Term
tissue stem cells
Definition
stem cells from tissues that divide and differentiate to become cells of that tissue
Term
multipotent
Definition
(stem cell) has the potential to make almost all cell types within a particular tissue
Term
red blood cells
Definition
blood cell containing haemoglobin, which can carry oxygen in the blood stream
Term
platelets
Definition
blood cell fragments important in blood clotting
Term
phagoctyes
Definition
defence white blood cell that can engulf and destroy foreign material
Term
lymphocytes
Definition
type of white blood cell involved in a specific immune response
Term
diploid
Definition
refers to a cell having two sets of chromosomes
Term
mitosis
Definition
division of the nucleus of somatic or germline cells, giving rise to two diploid daughters
Term
germline cells
Definition
cell that can give rise to gametes
Term
meiosis
Definition
type of cell division resulting in four haploid gametes
Term
haploid
Definition
describes cell having one set of chromosomes
Term
therapeutic
Definition
used as part of medical therapy
Term
cancer cells
Definition
grows and divides in an unregulated way to produce a tumour
Term
tumour
Definition
collection of cancer cells, produced by excessive, uncontrolled cell division
Term
regulatory signals
Definition
molecular signal that can be received by a cell to modify its activity
Term
secondary tumours
Definition
cancer formed from a cell transported from a primary tumour
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