During embryogenesis of the pituitary gland, the anterior lobe develops from which epithelial process?
a. Infundibular process
b. Median eminence
c. Pars intermedia
d. Rathke's pouch
e. Zona reticularis
ANS: D
A fold in the oral ectoderm known as Rathke's pouch develops into the anterior pituitary gland.
You might also like to view...
With reference to the effort and load, describe the main difference between a lever operating with a mechanical advantage versus a lever operating at a mechanical disadvantage
What will be an ideal response
Which of the following is a normal hematocrit value?
A. 12.5 mg/dL B. 42% C. 78% D. 5.0 X 106 RBCs/L E. 33 mg
The anatomic features of the respiratory membrane that make alveolar gas exchange so efficient are
A. its hearty thickness and the presence of oxygen transport pumps. B. the high degree of moisture and the large ratio of volume to surface area. C. its thinness, high water content, and scarcity of capillaries. D. its large surface area and minimal thickness.
Which of the following statements regarding lipid digestion and absorption is TRUE?
A. The presence of fatty acids in the duodenum stimulates the secretion of CCK, which in turn stimulates secretion of pancreatic enzymes. B. The presence of fatty acids in the duodenum stimulates the secretion of secretin, which in turn stimulates contraction of the gallbladder. C. The presence of fatty acids in the duodenum stimulates the secretion of gastrin, which in turn stimulates bile synthesis in the gallbladder. D. The presence of fatty acids in the duodenum stimulates emptying of the stomach. E. The presence of fatty acids in the stomach stimulates the secretion of secretin, which inhibits motility of the large intestine.