Which of the following structures is the richest in lipid content?
A) Dura mater
B) Gray matter
C) Arachnoid mater
D) Pia mater
E) White matter
E
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The lens of the eye flattens when
A. extrinsic eye muscles contract. B. intrinsic muscles of the iris contract. C. extrinsic eye muscles relax. D. ciliary muscles contract. E. ciliary muscles relax.
This structure contains unmyelinated axons and serves as a communication route between the right and left sides of the gray matter in the spinal cord
A. Gray commissure B. White commissure C. Lateral commissure D. Posterior commissure E. Denticulate ligaments
What taste sensation results when sodium ions enter gustatory cells through sodium ion channel receptors, and the cell depolarizes?
A) sour B) salty C) bitter D) umami
The space occupied by an osteocyte is called a
A) Volkmann's canal. B) lacuna. C) trabecula. D) Haversian canal. E) Venetian canal.