Answer:
Patient portals!! I've studied it!! :)
Answer:
Most correct answer is all of the germ layers
Explanation:
Mucous membranes constitute the innermost layer of a number of hollow organs (i.e.: gastrointestinal tract). They are composed of an epithelial lining which overlies a deeper layer of connective tissue. Typically, each of these components arises from a different germ layer. For instance: the mucous lining of the gut arises from a combination of endoderm-derived epithelium and lateral mesoderm-derived connective tissue. Other mucous membranes may have different origins, for example: The mucous lining of the oral cavity is composed of ectoderm-derived epithelium and underlying connective tissue derived from head mesenchyme (combination of cephalic neural crest and paraxial mesoderm).
Summary:
Mucous Membrane = Epithelium (derived mainly from endoderm, followed by ectoderm, rarely mesoderm) + Underlying Connective Tissue (usually mesoderm)
When you have a runny nose, "brain fluid leaking" typically isn't the first thing that comes to mind.
<h3>Why does CSF flow out of my nose?</h3>
The skull bone injury causes CSF to seep through the nose. Drainage of clear, watery fluid through one or both sides of the nose is the most typical sign of a CSF leak. When bending forward, tilting the head, or straining, this leaking can get worse.
<h3>Why is clear fluid dripping from my nose?</h3>
Allergies and illnesses like the common cold and influenza are the most frequent causes of clear liquid pouring from the nose. Another cause of a persistent runny nose is vasomotor rhinitis, in which there is no obvious reason why the condition exists. A leaking nose can be caused by nasal polyps, migraines, foreign bodies, and, very rarely, certain tumors.
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