BODY PLANS Flashcards
it is when an animal has no shape
asymmetrical
it is when an animal cannot be cut into matching halves
asymmetry
are animals with have body parts arranged around a cenral axis
radial symmetry
it is when teh body p;an can be divided along a plane that splits the animal’s body into right and left sides that are mirror images of each other
bilateral symmetry
corals are example of what body plan
asymmetrical
jellyfish is an example of what body plan
radial symmetry
lobster is an example of what body plan?
bilateral symmetry
they are openings witin the body which contain organs, protect organs and allow expansion and contraction
body cavities
8 examples of body cavities
cranial cavity
thoracic cavity
abdominal cavity
abdomenopelvic cavity
pelvic cavity
spinal cavity
dorsal cavity
ventral cavity
what consists the ventral cavity
thoracic cavity
abdominal cavity
abdomenopelvic cavity
what consists of the dorsal cavity
cranial cavity
pelvic cavity
spinal cavity
why is it important for healthcare workers to know/use directioal terms?
because they are the universal terms to be used in the field
it divides the body or organ vertically into equal right and left parts
median/midsagittal
divides the body or organ vertically ino unequal right and left parts
sagittal
a vertical plane dividing the body or an organ into front and back sections
frontal/coronal plane
medical term for back
posterior
medical term for front
anterior
a horizontal plane dividing the body or organ into upper and lower sections
transverse plane
medical term for upper
superior
medical term for lower
inferior
what is the line in the middle or in between called
midline
means toward the midline at the middle
medial
away from the side
medial
toward the side of the body
lateral
away from the midline
lateral
towards or near the trunk of the body
proximal
near the point of attachment to the body
proximal
“away from”
distal
farther from the origin or attachment to the body
distal
front, in front of, or toward the front
anterior
back, behind, toward the rear
posterior
near the upper surface
dorsal
toward the back
dorsal
toward the bottom
ventral
toward the belly
ventral
above something
superior
lower or below something
inferior
refers to the head of the body
cranial
it means tail end
caudal