BIOL 109 Chapter 9: General and Special Senses

Flashcards created to help review key concepts from Chapter 9: General and Special Senses.

The general senses detect stimuli such as __, pressure, and temperature.

chemical

Nociceptors are also known as __ receptors.

pain

Thermoreceptors are located in the __, skeletal muscles, liver, and hypothalamus.

dermis

The type of sensory receptors that detect chemicals dissolved in body fluids are called __.

chemoreceptors

Proprioceptors monitor the position of and .

joints, muscles

Tactile corpuscles provide sensations of fine touch and __.

pressure

Baroreceptors are stretch receptors that monitor changes in __.

blood pressure

The special senses include olfaction, gustation, vision, hearing, and __.

equilibrium

The __ gland produces tears to reduce friction and remove debris from the eye surface.

lacrimal

The eye's fibrous layer consists of the __ and the sclera.

cornea

The __ is a structure that regulates light entering the eye through pupil diameter.

iris

In the retina, rods are responsible for __ vision, while cones are responsible for color vision.

black and white

Accommodation refers to the change in shape of the __ for focusing on objects at different distances.

lens

Emmetropia refers to __ vision where distant objects are focused clearly.

normal

Myopia is a condition where a person can see __ objects more clearly than distant ones.

close

__ is the perception of sound that occurs due to the vibration of pressure waves through a medium.

Hearing

The __ tube connects the middle ear to the pharynx and helps equalize pressure on either side of the tympanic membrane.

auditory

The internal ear contains the spiral-shaped __, which is involved in hearing.

cochlea

Hair cells in the ear are involved in both __ and equilibrium.

hearing

Nerve deafness can be caused by damage to the cochlea or along the __ pathway.

auditory