Chemistry and All Things Cellular
This is formed when an atom loses or gains an electron
What is an ion?
Feature unique to spongy bone
What is trabeculae?
This part of a homeostatic control system detects a change in a set variable
What is a receptor?
The connective tissue layer surrounding fascicles
What is the perimysium?
Major action of orbicularis oculi
Primary secretion of goblet cells
What is mucus?
Layer of the epidermis found only in thick skin
What is the stratum lucidum?
This type of feedback reverses or shuts down the initial stimulus
What is negative feedback?
The ability of muscle tissue to respond to a stimulus is known as this
What is excitability?
Major action of the deltoid
What is adduction of the arm?
The packaging and distribution center of the cell; directs items out of or to other areas of the cell
What is the Golgi apparatus?
Arrangement of epithelium that is most protective
What is stratified epithelium?
This gyrus is involved in sensory processing
What is the postcentral gyrus?
This region of the sarcomere contains thin myofilaments and Z discs
What is the I band?
Major action of gluteus maximus
What is extension of the hip
These junctions prevent leakage between cells
What are tight junctions?
Bundle of axons in the PNS is called this
What is a nerve?
Smooth muscle, cardiac muscle, and glands are controlled by this division of the nervous system
What is the autonomic nervous system?
Calcium is sequestered here until excitation contraction coupling
What is the sarcoplasmic reticulum?
Muscle that give goosebumps
What is the arrector pili?
A cell placed in a hypertonic solution will do this
What is shrink (crenate)?
This type of neuroglia is phagocytic in the CNS
What are microglia?
This apparatus produces and drains tears
What is the lacrimal apparatus?
The nerve that supplies the hamstrings arises from this plexus
What is the sacral plexus?
This muscle is antagonistic to the erector spinae
What is rectus abdominis?