When does the metanephros become functional?
A、At week 3 of development
B、At week 4 of development
C、At week 10 of development
D、Just before birth
A、At week 3 of development
B、At week 4 of development
C、At week 10 of development
D、Just before birth
A、At ovulation
B、Before ovulation
C、At fertilization
D、At puberty
A、Deduction is the reasoning process of drawing a conclusion from two things that are know—general premises
B、It is based on rules, laws, principles or generalizations.
C、A major premise is a statement of general truth dealing with categories rather than individual examples
D、Deductive reasoning has only one form.
A、urogenital sinus
B、urogenital ridge
C、cloaca
D、allantois
A、an abnormal division of the mesonephros
B、formation of an extra mass of intermediate mesoderm
C、a premature division of the metanephric blastema
D、a premature division of the ureteric bud
A、ectoderm
B、endoderm
C、mesoderm
D、endoderm and mesoderm
A、ectoderm
B、endoderm
C、mesoderm
D、endoderm and mesoderm
A、ectoderm
B、endoderm
C、mesoderm
D、neural crest cells
A、incorporation of the lower end of the mesonephric ducts
B、incorporation of the lower end of the pronephric ducts
C、incorporation of the metanephric blastema
D、incorporation of the mesonephric tubules
A、week 3 of development
B、week 5 of development
C、week 7 of development
D、week 12 of development
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