The axial skeleton, most muscle, cartilage, dermis, and connective tissues are derived from blocklike embryonic structures called
A. somites.
B. teratogens.
C. notochords.
D. lateral plates.
E. dermatomes.
Answer: A
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Which lobe of the cerebrum is found deep to the other four lobes and thus cannot be observed from the surface?
a) occipital lobe b) temporal lobe c) parietal lobe d) insula e) corpus callosum
The process of sperm production is called ________.
Fill in the blank(s) with the appropriate word(s).
The tetralogy of Fallot is
A. occlusion of the left coronary artery. B. an exceptionally fast heart rate. C. a developmental disorder that is a cardiac septal defect. D. a condition in which the left and right sides of the heart are completely reversed. E. an inadequate cardiac output due to poorly contracting heart chambers.
The division of the cytoplasm in mitosis is called ________.
anaphase cytokinesis senescence kinetochore