Senses Flashcards
They are widspread, superficial, and found in hairy and hairless skin. F-light, touch, temperature, and pain.
Free nerve endings
A dendrite wrapped around a hair follicle. F-Light touch when the hair is displaced.
Hair follicle receptors
Found in the dermal papillae of hairless skin. F-Light touch and low frequency vibration
Meissner’s corpuscles
Found in the stratum basale of hairy and hairless skin. F-Pressure touch
Merkel’s nerve complex
In the dermis, joint capsules, some viscera, genitals, and breasts. F- High frequency vibration, pressure, stretch, and tickling
Lamellated or Pacinian corpuscles
In the dermis and joint capsules. F-Pressure touch
Ruffini’s cylinders
Form the capsule surrounding the taste receptor cells. Support and protect the receptor cells.
Supporting cells
Develop into supporting cells and then into receptor cells which live about ten days.
Basal Cells
Lack taste buds. Roughen the tongue and aid in food manipulation.
Filliform papillae
These papillae form parallel bands on the sides of the posterior two-thirds of the tongue. They have few taste buds
Foliate papillae
Comprises the two olfactory organs in the nasal cavity
Olfactory epithelium
The connective tissue beneath the olfactory epithelium
Lamina propria
The cells which replace lost or damaged olfactory receptor cells at the base of the olfactory epithelium
Basal cells
These are mucus glands found in the lamina propria that moisten olfactory epithlium, and dissolve odor molecules.
Bowman’s glands
The fleshy external flap located on side of head.Collects sound waves and directs them into the external auditory canal
Auricle
The passageway that directs sound waves from the auricle to the tympanic membrane
External auditory canal
AKA the eardrum. Separates the outer and middle ears. Vibrates when struck by sound waves.
Tympanic membrane