Typically, a hilum of a lymph node contains
A. one afferent lymphatic vessel.
B. one efferent lymphatic vessel.
C. numerous afferent vessels.
D. numerous efferent vessels.
B
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Through the action of osteoclasts,
A) new bone is formed. B) an organic framework is formed. C) bony matrix is dissolved. D) osteoid is calcified. E) fractured bones regenerate.
Hypercalcemia can be caused by_________.
insufficient vitamin D levels in the body hypersecretion of parathyroid hormone reduced parafollicular cell activity All of the listed responses are correct.
Norepinephrine is also called adrenalin.?
Indicate whether the statement is true or false
On a muscle fiber, the two terminal cisternae and the centrally placed T-tubule form a structure called a ________.
Fill in the blank(s) with the appropriate word(s).