What is the difference between autocrines and paracrines?
What will be an ideal response
Autocrines are self-regulating chemical messengers because their target is the cell from which they are manufactured. Paracrines are chemical messengers that act locally. They tend to affect only the cells immediately around them.
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Diapedesis refers to the chemical attraction of phagocytes to areas of injury, inflammation, or bacterial invasion
Indicate whether the statement is true or false
The ________ phase of muscle contractions occurs as AChE inactivates ACh and calcium ions are returned to the sarcoplasmic reticulum
A) relaxation B) latent period C) contraction phase D) myogram
You pick up the skull and begin examining it. The mastoid process is rather small, and the external occipital protuberance is not well defined. The supraorbital margins are rather sharp, and the mental protuberance is pointed (instead of squared-off). All of these features lead you to the following conclusion: The skull is from a female. Based on the answer you gave to question 3, what feature(s) would you expect to see in the pelvis?
a. narrow pelvic inlet b. elongated, rectangular pubic bones c. narrow, U-shaped sciatic notch d. 90-degree subpubic arch
The GI organ that is the major site of nutrient absorption is the ________
A) large intestine B) esophagus C) stomach D) small intestine