Flashcards in Ch 1 Orientation Deck (48):
Gross or Macroscopic Anatomy
The study of large structures visible to the naked eye: Regional, Systemic & Surface.
Studying structures according to region (abd pelvis chect ect.)
Studying system by stetem, (cardiovascular,respiratory reproductive ect.)
Study of internal structures as they relate to overlying skin.
Deals with structures too small to be seen by the naked eye: Cytology and Histology.
The cells in the body
The study of tissues
Traces structural changes that occure throughout the life span. (embryology ia a subdivision)
Levels of organization
Necessary Life functions
Normal body temp
Normal atmosphereic pressure
Maintaining stable internal conditions inspite of changing external conditions.
The factor being regulated
3 Homeostaic controls
Sensor that monitors the enviroment and responds to changes.
Determins the set point, level or range that the variable is maintained.
Provides the means for the control centers responce to the stimuli
Negitive feed back mechanisms
The output shuts off the original effect of the stimuli or reduces it's intensity. Maintian a range
Positive feed back mechanisms
Enhances the original stimuli so that the responce is accelerated. Push pash a range
2 functional divisions of our body
Axial an appendicular
Vertical plane that devides the body into left and right sides
Vertiacal plane, divides body into anterior and posterior.
Horizontal plane that divides the body into superior and inferior
Dorsal Body Cavity
Crainal and vertebral/spinal cavities.
Ventral Body Cavity
Thorasic and Abdominopelvic cavities
9 abdominal quadrants
R hypochondriac, Epigastric, L hypochondriac, R lumbar, umbilical, L lumbar, R iliac (inguinal), hpogastric (pubic), L iliac (inguinal)
Membranes in Ventral cavity
Serosa: thin double layered memnbrne
Parietal Serosa: Lining the cavity walls
Vicceral Serosa: Covering the organs in the cavity
What is the oldest medical science
Anatomy- "cutting open"
Principle of complementary structure and function
All specific functions are performed by specific structures
What is the boundary from microscopic anatomy to microscopic anatomy
At the organ level
Name the physiology specialities
System of advancing knowledge:
Posing a hypothesis to answer a question
Testing the hypothesis with data collected with observation and experiment
The adjustment of physiological systems to preserve homeostasis
A process that occurs when a cell, tissue, organ or organ system responds to some environmental change
A process that results from activities of the nervous system or endocrine system in response to environmental changes
Nervous response vs. endocrine response time
Nervous = rapid-short term
Endocrine = may not be immediate-may last for days/weeks
What is the primary mechanism for maintaining homeostasis
Negative feedback: provides long term control over the bodies internal conditions and systems
In _________, an initial stimulus produces a response that exaggerates or enhances the original change in conditions, rather than opposing it.
Positive feed back
When is a positive feedback typically found in the body?
When a potentially dangerous or stressful process must be completed quickly to restore homeostasis
Astate of ________ exists when opposing processes or forces are in balance.
True body cavities are:
closed, fluid-filled and lined by a thin tissue layer called a serous membrane
Two functions of body cavities in the trunk:
Protect organs from shock and impact
Permit changes in size and shape or the internal organs
Internal organs that are enclosed by body cavities.
Membrane that covers the visceral organs