The cheekbones are anatomically termed the ________ bones.
Fill in the blank(s) with the appropriate word(s).
zygomatic
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The area monitored by a single sensory neuron is called the ________ field.
Fill in the blank(s) with the appropriate word(s).
Answer the following statements true (T) or false (F)
1. Glasses can successfully treat presbyopia. 2. The average man and woman have the same number of birthdays. 3. The prenatal period of life usually starts in the oviduct. 4. The blastocyst has about three times the mass of the zygote. 5. Although the function of the placenta is to act as a barrier between the mother and fetus, substances such as alcohol can cross the barrier.
Steroid hormones
a. are lipophilic. b. may be converted into other hormones. c. are derived from cholesterol. d. are synthesized in steroidogenic cells and organs. e. all of these.
In these views of the trachea, what structure does number 1 indicate?
A. Annular ligament B. Trachealis muscle C. Cricoid cartilage D. Thyroid cartilage E. Tracheal cartilage