Where is the pituitary gland located?
A. Within the sella turcica of the sphenoid bone
B. Between the cerebrum and cerebellum, inferior to the occipital lobe
C. On the posterior surface of the thyroid gland
D. On the tracheal surface, inferior to the larynx
E. Within the third ventricle of the brain
A
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Define hemocytoblasts
A) Hemocytoblasts form from hematopoietic stem cells and divide into lymphoid stem cells and myeloid stem cells. B) Hemocytoblasts form from megakaryocytes and produce platelets. C) Hemocytoblasts form from myeloid stem cells and divide to become erythrocytes. D) Hemocytoblasts form from lymphoid stem cells and divide to become lymphocytes and monocytes. E) Hemocytoblasts shed their cytoplasm in membrane-enclosed packets called platelets.
Spermatic cords enter the abdominal cavity through ________.
Fill in the blank(s) with the appropriate word(s).
Which organ receives only sympathetic innervation?
A. Arrector pili muscles in the skin B. Most blood vessels C. The adrenal medulla D. All of the choices are correct.
The nerves and blood supply of the teeth are contained in the _____.?
A) ?periodontal membrane B) ?gingiva C) ?dentin D) ?pulp cavity