Embryologically, which of the following is homologous to the dura mater?
A. Retina
B. Ciliary body
C. Lens
D. Sclera
E. Choroid
Answer: D
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Paired, lateral triangular extensions of the spinal pia mater that extend to the dura to suspend and anchor the spinal cord are known as _________ ligaments
Fill in the blank with correct word.
The enzyme ________ catalyzes the reversible reaction whereby carbon dioxide and water are converted to ________.
A) carboxypeptidase : carbonic acid B) hydrolase : carbonase C) prostacyclin : protein C D) carboxypeptidase : acidic acid E) carbonic anhydrase : carbonic acid
Which of the following events occurs last in intramembranous ossification?
A. Cancellous bone is formed. B. Periosteum is formed. C. Many tiny trabeculae of woven bone develop. D. A membrane of delicate collagen fibers develops. E. Osteoprogenitor cells become osteoblasts.
The surface of the tongue is covered with ________ stratified squamous epithelium, and has bumps called ________, where many taste buds can be found
A) nonkeratinized; vallate papillae B) nonkeratinized; lingual papillae C) keratinized; lingual papillae D) keratinized; lingual frenulum E) nonkeratinized; tonsils