Which of the following best describes the cerebral arterial circle (circle of Willis)?
A. An anastomosis surrounding the pituitary gland
B. A portal system connecting the hypothalamus with the anterior pituitary
C. A short anastomosis found in the cerebellum
D. An anastomosis circling the entire cortex
E. Formed by the superior and inferior sagittal sinuses
Answer: A
You might also like to view...
The motor cortex is activated by the ____________________ potential, a widespread pattern of neural discharge
Fill in the blank(s) with correct word
Lymph nodes may be found individually, or clustered in specific regions of the body. Which cluster of lymph nodes receives lymph from the head and neck?
A. Inguinal lymph nodes B. Cervical lymph nodes C. Thoracic lymph nodes D. Axillary lymph nodes E. Abdominal lymph nodes
The visceral pericardium is the same as the:
A) endocardium. B) epicardium. C) fibrous pericardium. D) myocardium.
The kiss and run method of vesicle recycling is most important for maintaining synaptic transmission at:
A. an axon with a high firing rate and small presynaptic terminals B. the neuromuscular junction C. a large CNS synapse D. a presynaptic terminal with a low probability of release