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Intro. to A&P

Intro. p. 1-8

Anatomy the study of structures of living things
Physiology deals with functions of living things; purpose of structures and how they accomplish that purpose
Structure Dictates Function 1. Learn Anatomy 2. Understand Physiology
Homeostasis the ability of living things to maintain a relatively stable internal environment examples: temperature, blood pressure, pH, blood sugar, oxygen levels
Sensor monitor & check for changes
Control Center Knows "normal range," decides if something needs to be done
Nerves & Hormones communication system in our body
Effector structures in the body that can produce a change that will allow us to stay in the normal range
"Negative Feedback" feedback that reverses a trend so that we keep something in the normal range
Chemical proteins, minerals, vitamins, water, oxygen
Organelle structures found inside of cells; all have a specific function that they perform for the cell
Cellular smallest unit of life in the body- ALL living things contain cells; basic unit of life in ALL living things
Tissue organized group of cells that work together to perform a function
4 categories of tissues in our bodies muscle, nervous, epithelial & connective
Organ made up of different tissues working together to perform a function
Organ System a group of organs working together to perform a function
Organism a group of organ systems working together to perform a function
Dorsal Cavity towards the back; contains central nervous system
Cranial Cavity contains the brain
Vertebral Cavity contains the spinal cord
Ventral Cavity clavicle to pubic bone; towards the front (on the lung side)
Thoracic Cavity contains the heart, lungs, esophagus, trachea & thymus
Pleural Cavities pleural fluid & lungs
Mediastinum contains the heart, esophagus, trachea & thymus
Pericardial Cavity contains the heart and pericardial fluid
Abdominopelvic Cavity contains the abdominal cavity and the pelvic cavity
Abdominal Cavity contains the liver, spleen, stomach, gall bladder, intestines, pancreas, kidneys (slightly separated), peritoneal fluid (not around kidneys
Pelvic Cavity contains the bladder; F-uterus & ovaries; M-prostate gland
Oral Cavity contains the mouth, tongue & teeth
Nasal Cavity behind the nose; air filter; contains the smell receptors
Orbital Cavity eye sockets
Middle Ear just past the eardrum, contains the smallest bones in our body - the hearing bones
Body Membranes thin sheets of tissues found on surfaces
Visceral outer surface of an organ
Parietal inner surface of the cavity
Visceral Pleura outer surface of the lung
Parietal Pleura inner surface of pleural cavity
Visceral Pericardium outer layer of the heart
Parietal Pericardium sac around the heart
Visceral Peritoneum outer layer connecting the liver, stomach, gall bladder, spleen, intestines & pancreas
Parietal Peritoneum inner surface of the abdominal cavity
Mucous a fluid that is found inside our body that covers & coats all surfaces that open to the outside, except the ear canal; protective barrier
Serous thin watery fluid found in spaces inside of our body that do NOT open to the outside
Pleural Fluid found outside the lungs between the visceral pleura & the parietal pleura
Pericardial Fluid fluid found around the heart between the heart and the parietal pericardium
Anatomical Position standing erect with nose, toes, and eyes forward, with palms up
Superior above
Inferior below
Anterior (ventral) in front of; towards the front; lung side
Posterior (dorsal) behind; in back of; spine side
Medial towards the midline; close to the center
Lateral towards the sides
Proximal close to the connection point of the trunk of the body; also can mean near to something
Distal away from the connection point of the trunk of the body
Superficial closer to the surface of the body
Deep closer to the cord of the body
Saggital any cut that gives us a right and left piece
Midsaggital (median) cut that fives us and equal right and left piece
Transverse and cut that gives us a top and bottom piece
Frontal (coronal) any cut that gives us a front and a back piece (anterior and posterior)
Cross section tube shaped structure cut directly across
longitudinal section tube shaped structure cut along the length
oblique tube shaped structure diagonal cut
Created by: bco