Answer to Question 1
B
Explanation: A ventricle is a cavity within the brain tissue that contains cerebrospinal fluid. Gyri are the convolutions on the surface of the brain. A synapse is the point at which the axon of one neuron meets the dendrite of the next neuron. The sulci are the valleys separating the gyri.
Answer to Question 2
A
Explanation: Urethr/o means urethra and -algia means pain; thus, urethralgia means pain in the urethra. -itis means inflammation, so urethritis means inflammation in the urethra. Ureter/o means ureter and -ectasis means dilation, so ureterectasis means ureter dilation. -algia means pain, so ureteralgia means ureter pain.
Brain Dissection
Midline cut section of the brain.
Australopithecus sediba shares small brain size with other members of Australopithecus but also has
Inferior aspect of brain
Sagittal section of brain showing hypothalamic nuclei
Glomeromycete hypha branching inside the cell of a plant root.