Which of the following is a special characteristic of spongy bone?
A) lacuna
B) medullary cavity
C) trabecula
D) central canal
E) canaliculus
Ans: C) trabecula
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Abnormal glucocorticoid production by the adrenal glands results in __________.
a. hypo- and hyperaldosterism b. Addison disease and Cushing disease c. seasonal affective disorder d. adrenogenital and gynecomastia syndrome
Nutrients and ions can pass directly from cell to cell through special membrane junctions known as ________
A) desmosomes B) gap (communicating) junctions C) inclusions D) microvilli E) tight junctions
Secretion of one hormone by the action of another hormone is control by _______ stimuli
A. hormonal B. neural C. humoral D. visceral
Which of the following is/are found only in the PNS?
A. Nerves B. Astrocytes C. Unmyelinated axons D. Myelin E. Lipofuscin