Which area of the retina lacks rods and cones and therefore does not detect images?
A.)ciliary body
B.)fovea centralis
C.)optic nerve
D.)choroid
E.)optic disc
optic disc (blind spot)
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Gastric storage takes place in the ____________________ (what part?) of the stomach, whereas gastric mixing takes place in the ____________________
Fill in the blank(s) with correct word
The placenta coverts what hormone into estrogen?
a. DHEA from maternal adrenal cortex b. progesterone c. maternal androgens d. DHEA from fetal adrenal cortex e. it makes endogenous estrogen
Mesangial cells help keep the basement membrane clean by
A. secreting emulsifying agents that dissolve trapped particles. B. engulfing macromolecules caught in its basement membrane. C. secreting antibodies that attack the molecules caught in the endothelium. D. opening larger pores in the membrane so that trapped particles move across.
All of the following are types of neurons except which one?
A. Unipolar B. Multipolar C. Bipolar D. Tripolar