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Kacey Munsell

Weeks 6-12 Anatomy

Central nervous system (CNS) Brain and spinal cord
Peripheral nervous system (PNS) Consists of the nerve tissues that lie in the periphery, or “outer regions,” of the nervous system.
Somatic nervous system (SNS) Regulates the somatic effectors, which are the skeletal muscles.
Autonomic nervous system (ANS) Carry information to the autonomic, or visceral, effectors, which are mainly the smooth muscles, cardiac muscle, glands, adipose tissue, and other “involuntary” tissue.
Enteric nervous system (ENS) Intestinal nervous system
Nociceptor Pain; temperature; itch; tickle
Tactile (Merkel) disk Discriminative touch (light pressure)
Root hair plexus Sense of “deflection” type of movement of hair
Tactile (Meissner) corpuscle Touch; low-frequency vibration
Bulboid (Krause) corpuscle Touch; low-frequency vibration; textural sensation
Bulbous (Ruffini) corpuscle Crude and persistent touch
Muscle spindles Sense of muscle length (proprioception)
Golgi tendon receptors Sense of muscle tension (proprioception)
Natural immunity- Active (exposure) A child develops measles and acquires an immunity to a subsequent infection
Natural immunity- Passive (exposure) A fetus receives protection from the mother through the placenta, or an infant receives protection through the mother’s milk
Artificial immunity- Active (exposure) Injection of the causative agent, such as a vaccination against polio, confers immunity
Artificial immunity- Passive (exposure) Injection of protective material (antibodies) that was developed by another individual’s immune system
Natural immunity Exposure to the causative agent is not deliberate
Artificial immunity Exposure to the causative agent is deliberate
Upper respiratory tract Nose, nasopharynx, oropharynx, laryngopharynx, and larynx.
Lower respiratory tract Trachea, all segments of the bronchial tree, and the lungs.
Created by: kacey13



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