week 1 → glossary Flashcards
homeostasis
The maintenance of a constant and stable environment inside the body.
macroscopic
Structures (such as tissue and organs) that are large enough to be seen with the naked eye
microscopic
Structures (such as tissues and cells) that are so small they must be visualised using a microscope
organism
a living thing
anatomical position
- standing straight up in an erect position
- palms facing upwards/forwards
- feet forwards
- arms/hands hanging on the side
- face directed forward
anterior
closer to the front of the body
posterior
closer to the back of the body
superior
above relative to another structure
inferior
below relative to another structure
medial
closer to the midline of the body
lateral
further to the midline of the body
sagittal plane
cuts the body vertically down dividing it into two equal right + left parts
transverse plane
cuts the body horizontally, parallel to the ground into inferior + superior parts
diagram
a thin skeletal muscle involved in breathing
- separates the thoracic cavity from the abdominal cavity
visceral
relating to internal organs
parietal
relating to wall of the cavity
serous membrane
thin cellular sheet that lines organs and cavities of the body
specific three cavities + location
pleural cavity → lungs
pericardium cavity → heart
peritoneal cavity → abdominal
anatomy definition
the study of living things + their structures
characteristics of a living organism
- organism
- metabolism
- responsiveness
- growth
- development
- reproduction
organisation of body
- chemical level
- cellular level
- tissue level
- organ level
- organ system level
- organism
body cavities
thoratic cavity
abdominal cavity
pelvic cavity
thoracic cavity contains
esophagus, lungs, blood vessels, thymus, heart + nerves
the abdominal cavity contains…
stomach, intestines, spleen, liver, pancreas + kidney
the pelvic cavity contains …
bladder, parts of the large intestine + reproductive systems
parietal serous
lines the body cavaties
visceral serous
lines the internal organs