Sertoli cells
a. are epithelial cells.
b. span the distance from the outer membrane of the tubule to the lumen.
c. are joined by tight junctions.
d. form gap junctions with the developing sperm.
e. all of these.
E
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A. pinocytosis B. active transport C. facilitated transport D. countertransport
The downward motion of tapping your foot requires what type of movement?
a. Rotation. b. Supination. c. Dorsiflexion. d. Plantar flexion.
The adrenal cortex produces a steroid hormone called ________ that controls Na+ and K+ homeostasis and another steroid hormone called ________ that controls blood glucose levels.
Fill in the blank(s) with the appropriate word(s).
Which of the following is comprised of anterior rami from C5-T1?
A. Brachial plexus B. Coccygeal plexus C. Cervical plexus D. Lumbar plexus E. Sacral plexus