A&P Flashcards
What are the spexial senses?
Taste, smell, sight,hearing, equalibrium
What are the general senses?
Somatic, visceral
Somatic senses include?
- Tactile, thermal, pain, and proprioception
Visceral senses include?
Sensation from internal organs
Perceptions are the conscious awarness and interpretation of sensations. This is primarily the function of?
Cerebral cortex
Nociceptors detect what?
Pain
Chemoreceptors detect what?
Presence of Chemicals in solution
Tactile, thermal, and pain senses are a part of what general sense?
Somatic
Somatic sensory sensations arise from stimulation of sensory receptors in?
Skin, mucous membranes, muscles, tendons and joints
How many types of thermal receptors are there? What are the ranges
- 2
- cold receptors- activate 50-105f, they are located in the epidermis
- warm receptors- 90-118F, located im dermis
Proprioreceptors are located where?
Skeletal muscles (muscle spindles), tendons, in and around sinovial joints (kinesthetic receptors), and in inner ear (hair cells).
What is the olfactory pathway?
Axons extend throughout cribriform plate to olfactory bulb. Olfactory tract goes to cerebral cortex and limbic system.
Taste buds convey their impulses to what?
Cranial nerve 7, 9, and 10
Pathway of tears?
- Flow from lacrimal gland, lacrimal ducts.
- Drain from surface of eye through lacrimal canaliculi, then to nasolacrimal duct (nasal cavity).
What 6 extrinsic muscles work to move the eye?
Superior rectus, inferior rectus, lateral rectus, medial rectus, superior oblique , inferior oblique
