Cell junctions in contractile cells are called ________, which consist of two components: ________ and ________.
Fill in the blank(s) with the appropriate word(s).
intercalated disks, desmosomes, gap junctions
You might also like to view...
Which is TRUE about typical, resting neurons?
A. The plasma membrane is completely impermeable to potassium ions. B. The concentration of sodium ion is greater inside the cell than outside. C. The permeability of the plasma membrane to potassium ions is much greater than its permeability to sodium ions. D. The plasma membrane is completely impermeable to sodium ions. E. The plasma membrane is most permeable to sodium ions.
During an annual health examination of a 46-year-old woman, a physician finds hyper- secretion of norepinephrine from her supra- renal medulla. Which of the following types of nerve fibers are most likely overstimulated?
(A) Preganglionic sympathetic fibers (B) Postganglionic sympathetic fibers (C) Somatic motor fibers (D) Postganglionic parasympathetic fibers (E) Preganglionic parasympathetic fibers
A neuron and all the muscle fibers it stimulates is called a ________
A) fascicle B) myoneural junction C) synaptic cleft D) motor unit
During skin development, cuboidal cells of the periderm flatten to form the ectoderm.
Answer the following statement true (T) or false (F)