Ch.15 Senses Flashcards
Special senses(5)
-Olfactory/smelling
-Vision
-Taste
-Hearing & Balance
For taste, what cranial nerve matches with parts of the tongue?(3)⭐️
-Anterior 2/3 tongue 🤝🏽 7th CN
-Posterior 1/3 tongue 🤝🏽 9th CN
- Root of tongue 🤝🏽 10th CN
What is a synapse?
Nerve communicates with nerve/organ/gland
3 parts of G-Protein
Alpha, Beta, & Gamma
Subunit that dissociates from G-protein⭐️
Alpha
Types of Papillae (5 FVFF)
Filiform- filament shaped, most numerous
Vallate- Largest, least numerous
Foliate- leaf-shaped & at tongue sides
Fungiform- Mushroom shaped, small red dots
What papillae does NOT have tastes buds?⭐️
Filiform
Taste map/location of tongue ⭐️
(SBSSU 👅)
Sour- Lateral aspect
Salty- lateral TIP of tongue
Butter - Posterior aspect
Sweet- Anterior tip of tongue
Umami- Scattered sensitively
G Protein uses (4)⭐️
-Olfaction
- Sweet
- Bitter
- Umami
Cranial nerve and it’s tongue location⭐️
Facial Nerve(7) - Anterior 2/3
Glossopharyngeal(9)-Posterior 1/3 ETC
Vagus Nerve(10)- tongue root
What nerve does not have taste buds?⭐️
Hypoglossopharyngeal nerve
Water of eye⭐️
Sclera
ToF: Iris determines eye color ⭐️
True
Bestie loves your eyes, what is she referring to?⭐️
Iris
2 Conjunctiva’s and area⭐️
• Palpebral conjunctiva: INNER surface eyelids.
• Bulbar conjunctiva: ANTERIOR surface of eye except over pupil.
Process of Tears⭐️
1) Tears produced by lacrimal gland
2) Tears evaporate to medial canthus
3) Tears pass through caniculi
Muscles within eyeball(Intrinsic)⭐️
-Dilator papillae- increase eye size
-Sphincter papillae- decrease eye size
-ciliary muscles
What controls light into the eye?⭐️
Iris
3 tunics of Eye Wall(FVN)⭐️
Fibrous- Sclera & Cornea
Vascular- Choroid, ciliary body, iris
Nervous- retina
ToF: Path of light through retina is in the same path as direction of AP⭐️
False
Clouding of the lens⭐️
Cataract
Receptor for colors (blue, green, & red)⭐️
Cones
Receptor for visual acticuity?⭐️
Cones
Receptor for dark⭐️
Rod
Does red eye reduction work?⭐️
Yes
Blind spot of eye⭐️
Optic disc
Path of Light entering Eye(CAcPLvcr)⭐️
Cornea~Anterior chamber~Pupil~ Lens vitreous chamber retina
The Visual Pathway - 28:00
When optic nerves cross, what do we call it⭐️
Optic chiasm
Function of Hearing & balance (cochlea, vestibule, semicircular canals)⭐️
Cochlea- hearing
Vestibule- static balance
Semicircular canals- dynamic balance
No muscle association in auditory ossicles⭐️
Incus
Membrane found btw scala vestibuli & scala media⭐️
Vestibular membrane
Membrane found btw vestibular membrane & scala tympani⭐️
Scala media
Membrane found btw scala media & scala tympani⭐️
Basilar membrane
