Degeneration of the neurons in which of the following structures leads to the muscle tremors associated with Parkinson disease?
A) Substantia nigra
B) Tegmentum
C) Pons
D) Inferior colliculi
E) Cerebral crus
A
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__________ is a hormone that is frequently involved with reproductive processes, that is also part of a positive feedback loop
Fill in the blank with the correct word.
The hypothalamic-hypophyseal tract ________
A) runs through the infundibulum B) conducts aldosterone to the hypophysis C) connects the hypophysis to the pituitary gland D) is the site of prolactin synthesis
The _________ nerve is a mixed cranial nerve that conducts sensory impulses
from and motor impulses to the thoracic and abdominal viscera. Fill in the blank(s) with correct word
DNA replication occurs during
A. anaphase. B. metaphase. C. the S phase of interphase. D. telophase. E. the G1 phase of interphase.