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SCRB 165
Words relating to stem cell research
19
Biology
Undergraduate 1
02/11/2010

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Term
ectopic
Definition
occurring out of place
Term
entopic
Definition
occurring in the usual place
Term
ectoderm
Definition
outer germ layer that makes the nervous system and skin
Term
endoderm
Definition
innermost germ layer that makes pancreas, liver, gut, and lungs
Term
mesoderm
Definition
middle germ layer that makes blood, heart, kidney, muscle, and bone
Term
fibroblast
Definition
a cell that contributes to the formation of connective tissue fibers
Term
keratinocyte
Definition
major cell component of the epidermis (outer layer of skin, hair, nails)
Term
doxycycline
Definition
a broad-spectrum potent antibiotic derived from tetracycline
Term
lentivirus
Definition
Slow viruses with a long incubation period. They can deliver a significant amount of genetic information into the DNA of the host cell, so they are one of the most efficient methods of a gene delivery vector. HIV, SIV, and FIV are all examples of lentiviruses.
Term
transgene
Definition
a gene that is taken from the genome of one organism and introduced into the genome of another organism by artificial techniques
Term
retrovirus
Definition
A virus whose RNA codes for DNA, which is then inserted into some part of the host's DNA. This virus comes with its own special enzyme, called reverse transcriptase, which facilitates this insertion.
Term
complementary DNA (cDNA)
Definition
DNA synthesized from a mature mRNA template in a reaction catalyzed by the enzyme reverse transcriptase
Term
ubiquitin
Definition
a small protein in all eukaryotic cells that participates in the destruction of defective proteins and in the synthesis of new proteins
Term
eukaryotic cell
Definition
a cell with a true nucleus, a nuclear membrane and organelles
Term
prokaryotic cell
Definition
a cell lacking a true membrane-bound nucleus, ex: bacteria
Term
epithelial
Definition
a membranous cellular tissue that covers a free surface or lines a tube or cavity of an animal body and serves especially to enclose and protect the other parts of the body, to produce secretions and excretions, and to function in assimilation
Term
Embryonic Stem Cell Properties
Definition
Self-renewal (the ability to proliferate indefinitely in culture while maintaining their properties), Pluripotency (the ability to give rise to any cell type in the body upon differentiation).
Term
ICM (Inner Cell Mass)
Definition
Pluripotent cells inside the blastocyst which give rise to the embryo proper
Term
TE (Trophectoderm)
Definition
Cells on the outer layer of the blastocyst which give rise to the placenta and do not contribute to the embryo
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