Lecture 1: Cells, Tissue and Body Organisation Flashcards
What does the microscope term ‘Magnification’ refer to?
The microscopes power to increase an objects apparent size
What are the 3 components of The Cell Theory?
- All living things are composed of one or more cells
- Cells are organisms’ basic structural and functional units
- Cells come only from pre-existing cells
What are the Major Structures/Organelles of a Cell?
Nucleus, Cell Membrane, Mitochondria, Golgi Apparatus, Endoplasmic Reticulum, Ribosomes, Lysosomes, Microfilaments, Peroxisomes, Centromeres, Microtubules, Chromatin, Cytoplasm, Cilia, Villi, Microvilli
What makes up a Cell Membrane?
Phospholipid Bilayer, Proteins
Is the ‘Head’ of the Phospholipid Bilayer Hydrophilic or Hydrophobic?
Hydrophilic
Is the ‘Tail’ of the Phospholipid Bilayer Hydrophilic or Hydrophobic?
Hydrophobic
What is the role of the Cell Membrane?
Regulate movement in/out of the cell
What are the 4 categories of Tissue?
Epithelium
Connective
Muscle
Nervous
What are the three types of epithelial tissue?
Squamous, Cuboidal and Columnar
What characteristic does Squamous epithelium have?
flat
What characteristic does cuboidal epithelium have?
Square shaped
what characteristic does columnar epithelium have?
Elongated/rectangular
What are the Three layer terms for epithelium?
Simple, Stratified and Pseudostratified
what is simple epithelium?
one layer of cells
what is stratified epithelium?
more than one layer of cells
what is psuedostratified epithelium?
one layer of cells that look like more than one layer due to nuclei not lining up
what are the three types of muscle tissue?
skeletal, cardiac and smooth
what are the 4 main cavities of the torso?
Thorax, Abdomen, Pelvis and Spinal
what plane passes through the middle of the body anterior-posteriorly?
mid-sagittal plane
what plane passes through the body anterior-posterior that is not median?
sagittal
what plane passes through the body from side to side?
coronal
what plane is through the body horizontally?
transverse
what plane is angled?
oblique
what does the term anterior mean?
the front side of the body in anatomical position
what does the term posterior mean?
the back side of the body in anatomical position
what does the term superior mean?
above
what does the term inferior mean?
below
what does the term medial mean?
towards the middle of the body
what does the term lateral mean?
towards the outer of the body
what does the term proximal mean?
closer to the body
what does the term distal mean?
away from the body
what does the term caudal mean?
towards the feet of the body
what does the term cranial mean?
towards the head of the body
what does the term deep mean?
closer to the interior centre of the body
what does the term superficial mean?
closer to the skin of the body
what does the term elevation mean?
movement in a superior direction
what does the term depression mean?
movement in an inferior direction
what does the term protraction mean?
movement of a body part forward on the coronal plane
what does the term retraction mean?
moving a body part backwards on the coronal plane
what does the term abduction mean?
motion away from the midline of the body
what does the term adduction mean?
motion towards the midline of the body
what does the term supination mean?
rotation of the radioulnar joint so that the palm is facing downwards
what does the term pronation mean?
rotation of the radioulnar joint so that the palm is facing upwards
what does the term flexion mean?
decreasing a joint angle
what does the term extension mean?
increasing a joint angle
what are the 4 main components of the cardiovascular system?
Heart, Arteries, Veins and Capillaries
what are the 5 main components of the respiratory system?
Nasal Cavity, Pharynx, Trachea, Lungs and Bronchial Tree
what are the 3 main components of the nervous system?
Brain, Spinal cord and Nerves
what are the 3 main components of the Integumentary system?
Skin, Hair and Nails
what are the 5 components of the gastrointestinal system?
Oral cavity, Teeth, Oesophagus, Stomach and Intestines
what are the 4 components of the renal system?
Kidneys, Ureters, Bladder and Urethra