Special Senses Flashcards
Number of nose receptors
10 - 100 million
First order neurons of olfactory pathway
Olfactory Receptors
Cilia that project from the dendrite
Olfactory hairs
Stimulate the olfactory hair
Odorants
Are columnar epithelial cells of the mucous lining of the nose
Supporting cells
Provide support, nourishment, and electrical insulation for the olfactory receptors
Supporting cells
3 cells of the olfactory epithelium
- Olfactory receptors
- Supporting Cells
- Basal Cells
Sense of taste is otherwise known as __
Gustation
Hair-like structures that give the tongue its rough texture
Lingual Papillae
What are the 4 types of papillae?
- Circumvallate Papillae
- Fungiform Papillae
- Filiform Papillae
- Folliate Papillae
All except this papillae have taste buds
Filiform Papillae
It is located at the midline of the tongue. It is a fold of mucous membrane that connects the tongue to the floor of the oral cavity.
Lingual Frenulum
Enumerate the map of taste receptors.
- Sweet
- Salty
- Sour
- Bitter
- Umami
Enumerate the accessory structures of the eye.
- Eyelid
- Eyelashes
- Eyebrows
- Lacrimal Apparatus
- Extrinsic eye muscles
They shade the eyes during sleep.
Eyelids
They protect the eyes from excessive light and foreign objects.
Eyelids
They spread lubricating secretions over the eyeballs.
Eyelids
They help protect the eyeballs from foreign objects, perspiration, and direct rays of the sun.
Eyelashes / Eyebrows
It is a group of structures that produces and drains lacrimal fluid or tears.
Lacrimal apparatus
These are the muscles responsible for eye movement.
Extraocular muscles
Extraocular muscles that allows eyes to look upward and laterally.
Superior rectus
Extraocular muscles that allows eyes to look downward and laterally.
Inferior rectus
Extraocular muscles that allows eyes to look laterally.
Lateral rectus