FACTOID # 8: Bookworms: Vermont has the highest number of high school teachers per capita and third highest number of librarians per capita.
 
 Home   Encyclopedia   Statistics   States A-Z   Flags   Maps   FAQ   About 
   
 
WHAT'S NEW
 

SEARCH ALL

FACTS & STATISTICS    Advanced view

Search encyclopedia, statistics and forums:

 

 

(* = Graphable)

 

 


Encyclopedia > Erector pili muscle

The arrector pili muscle is a minute muscle found in the epidermal layer of the skin. It is attached at the root of the hair, inside the hair's follicle. Under the control of the autonomic nervous system, these tiny muscles aid the body in temperature regulation. Sensory nerves in nerve endings of the skin send messages to the brain, which, if nessecary, triggers contraction and relaxation of the muscle, or shivering, which generates heat. This action also makes the hair stand erect, causing "goose bumps". A top-down view of skeletal muscle Muscle is a contractile form of tissue. ... Epidermis could refer to: In plants, the outermost layer of cells covering the leaves and young parts of a plant is the epidermis. ... Model of the layers of human skin In zootomy and dermatology, skin is an organ of the integumentary system; which is composed of a layer of tissues that protect underlying muscles and organs. ... A human female with brown hair. ... In botany, a follicle is a type of simple dry fruit produced by certain flowering plants. ... // Anatomy and Physiology of the A.N.S. In contrast to the voluntary nervous system, the involuntary or autonomic nervous system is responsible for homeostasis, maintaining a relatively constant internal environment by controlling such involuntary functions as digestion, respiration, perspiration, and metabolism, and by modulating blood pressure. ... Senses are the physiological methods of perception. ...


  Results from FactBites:
 
Anatomy & Physiology: Muscles Day 1 (2167 words)
Striated muscle is the muscle associated with the skeleton and is the most researched and understood type.
Smooth muscles cells are arranged in sheets in the walls of the colon or as straps around certain blood vessels.
Many of the muscles of the body are named in association with their individual function(s), and contain in their name term such as flexor, extensor, abductor, adductor, levator, depressor.
  More results at FactBites »

 
 

COMMENTARY     


Share your thoughts, questions and commentary here
Your name
Your comments

Want to know more?
Search encyclopedia, statistics and forums:

 


Press Releases |  Feeds | Contact
The Wikipedia article included on this page is licensed under the GFDL.
Images may be subject to relevant owners' copyright.
All other elements are (c) copyright NationMaster.com 2003-5. All Rights Reserved.
Usage implies agreement with terms, 1022, m