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Vanessa Villalba
Anatomy Week 6-12
| Question | Answer |
|---|---|
| Central nervous system | the structural and functional center of the entire nervous system. |
| Peripheral nervous system | consists of the nerve tissues that lie in the periphery or “outer regions” of the nervous system. |
| Somatic nervous system | regulates the somatic effectors, which are the skeletal muscles. |
| Autonomic nervous system | carry information to the autonomic, or visceral, effectors which are mainly the smooth muscles, cardiac muscle, glands, adipose tissue, and other involuntary tissues. |
| Mechanoreceptors | activated by mechanical stimuli that in some way deform or change the position of the receptor, resulting in the generation of a receptor potential. |
| Photoreceptors | found only in the eye. |
| Nociceptors | activated by intense stimuli of any type that results in tissue damage. |
| Fungiform papillae | large, mushroom-shaped bumps found in the anterior tow thirds of the tongue surface. |
| Foliate papillae | red, leaflike ridges of mucosa on the lateral edges of the posterior tongue surface. |
| Otoscope | used to examine the external ear canal and outer surface of the tympanic membrane. |
| Pituitary gland | small but mighty structure that measures only 1.2 to 1.5 cms across. |
| Growth hormone | promotes bodily growth indirectly by stimulating the liver and other tissues to produce another hormone. |
| Thyroid-stimulating hormone | promotes and maintains the growth and development of its target gland the thyroid. |
| What is the falx cerebelli? | The falx cerebelli is a sickle-shaped extension that separates the two halves (hemispheres) of the cerebellum. |
| What is the tentorium cerebelli and what does it separate? | separates the cerebellum from the cerebrum. |
| Where is the subdural space | Between the dura mater and arachnoid mater. |
| When does the subdural space become a real space | When blood leaks into it, forming a subdural hematoma |
| Where is the subarachnoid space? | Under the arachnoid mater and outside the pia mater. |
| What is found in the subarachnoid space | Cerebrospinal fluid (CSF). |
| What is the filum terminale? | A slender filament of pia mater extending below the spinal cord. |
| What is meningitis | Infection or inflammation of the meninges. |
| Where is the third ventricle? | Below and between the lateral ventricles. |
| Where are the lateral ventricles? | One in each cerebral hemisphere. |
| Where is the fourth ventricle? | Behind the brainstem, near the cerebellum. |
| How does CSF flow through the brain | Lateral ventricles → interventricular foramen → third ventricle → cerebral aqueduct → fourth ventricle → central canal or subarachnoid space. |
| What type of receptor is found in sympathetic ganglia | Cholinergic (nicotinic) receptors. |
| antigen | A foreign molecule, usually a protein, that triggers an immune response. |
| hapten | A small molecule that must bind to a protein to become antigenic. |
| What is an antigen-antibody complex? | The structure formed when an antibody binds to an antigen. |
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vanessa020293
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