Embryology/Histology Deck 2 Flashcards
Fertilized egg is called.
Zygote
Fertilized egg after zygote up to 8 weeks is called.
Embryo
After 8 weeks, embryo becomes what?
Fetus
Stem cells are ________ cells that can become specialized cells.
Undifferentiated
The zygote becomes a ___________, which is a hollow ball of cells.
Blastula
The blastula __________ and develops into the Gastrula.
Invaginates
The inner cell mass of blastocyst becomes the _______, while the outer trophoblast becomes the __________.
Embryo
Placenta
At 2-3 weeks you can see three germ cell layers in the Gastrula, which are?
Endoderm, mesoderm, ectoderm
Ectoderm forms?
Outside skin, hair, nails, cornea, neural crest and neural tissues (CNS and PNS)
Mesoderm becomes what?
Middle skin: skeletal muscle, cartilage, bone, kidney, gonads, GI tract
Endoderm becomes what?
Inside skin: epithelium of GI and Respiratory, thyroid
The neural tube forms the hold in the spinal cord and the __________ in the brain.
Ventricles
Telencephalon becomes?
Cerebrum and basal ganglia
Diencephalon becomes?
Thalamus and hypothalamus
Mesencephalon becomes?
Part of brain stem
Rhombencephalon becomes?
Pons, cerebellum, medulla
Supportive tissue of a structure is called?
Stroma=structure
Functional tissue of a structure/organ is called?
Parenchyma