Embryology Flashcards
Where does fertilization occur
Ampulla of Fallopian tube
What is a bloastocoel
A cavity in the bloastocyst
What are the structures of a blastocyst
Blastocoel, inner cell mass, trophoblast
What is tetragametic chimera
The fusion of two zygotes to form one human
What is the origin of ectoderm, mesoderm, endoderm?
Epiblast
Which layer forms the placenta by implanting to uterine wall?
Syncytiotrophoblast
What type of stem cell is the inner cell mass described to be?
Pluripotent
What is the neural plate and what is its origin?
Ectodermal in origin. Forms nervous system
Gat is the origin of the notochord?
Mesoderm
What is embryonic induction?
The ability of a cell to change from being one type of cell to another by communicating through signals
What is competence?
The ability of a cell to respond to signals.
What so aomites develop into?
Dermatome
sclerotome (axial skeleton and ribs)
myotome (skeletal muscles)
What is the origin of the epidermis vs origin of the dermis?
Epidermis: ectoderm
Dermis: mesoderm
