If the papilla of a hair follicle is destroyed,
A) the hair produced by the follicle will change from terminal to vellus.
B) the color of the hair will become lighter.
C) the texture of the hair will become coarser.
D) the hair matrix will lose its blood supply.
E) hair production will not be affected.
D
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The tube that carries urine from the kidney to the bladder is the __________.
Fill in the blank(s) with the appropriate word(s).
A muscle twitch is ________
A) the maximal force a muscle can generate B) a single contraction of skeletal muscle C) an action potential in a muscle D) a twinge that one feels in an isolated muscle
The developing heart and lungs begin to receive autonomic innervation in the ________ week of development.
A. 10th B. 5th C. 4th D. 6th E. 16th
What are the three concentric layers of connective tissue that protect and anchor the kidneys?
hilum, renal sinus, and renal corpuscle cortex, medulla, and papillae fibrous capsule, perinephric fat capsule, and renal fascia major calyces, minor calyces, and renal pyramids