Which of the erector spinae muscles is most lateral to the vertebral column?
A. Longissimus muscle
B. Iliocostalis muscle
C. Semispinalis muscle
D. Spinalis muscle
Ans: B. Iliocostalis muscle
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Using the figure below, identify the labeled items.
1) Label A: ______________________________
2) Label B: ______________________________
3) Label C: ______________________________
4) Label D: ______________________________
5) Label E: ______________________________
6) Label F: ______________________________
7) Label G: ______________________________
8) Label H: ______________________________
Osteoclasts are
A) immature bone cells that give rise to osteocytes. B) cells that secrete bone matrix. C) mature bone cells that maintain the matrix. D) cells that break down bone matrix.
From what structures do microtubules arise?
a. lysosomes b. macrotubules c. centrosomes d. mitochondria e. microfilaments
Study the below image. Which letter represents a layer composed of areolar connective tissue with elastic fibers?
A: A B: B C: C D: D E: G