Final Exam Flashcards
Sperm
Semen
Zygote
A diploid cell resulting from the fusion of 2 haploid gametes; a fertilized ovum
Morula
A solid ball of cells resulting from division of a fertilized ovum, and from which a blastula is formed
Blastula
An animal embryo at the early stage of development when it is a hollow ball of cells
Blastocyst
A mammalian blastula in which some differentiation of cells has occurred
Gastrula
An embryo at the stage following the blastula, when it is a hollow cup- shaped structure having three layers of cells
Fertilization
Involving the fusion of male and female gametes to form a zygote
Implantation
The attachment of the fertilized egg to the wall of the uterus at the start of pregnancy
Gastrulation
A phase early in the embryonic development of most animals, forms into a gastrula
Stem cells
An undifferentiated cell of a multicellular organism
Differentiation
The action or process of differentiating
Placenta
A flattened circular organ in the uterus of pregnant mammals, nourishing and maintaining the fetus
The 2 types of human gamete cells are
Ovum (egg)
Sperm
Ovulation
And egg is released from the female ovary
Fertilization
The egg meets the sperm and gets fertilized, in the fallopian tube
