dinosaur bones alone Flashcards
tetrapod skeleton has a vertibre column, composed of ________ that have a lower spool (_____), above which, in the grove lies the spinal cord.
vertibre, centrum
on the centrum straddling the spinal cord is the ____ ____. _____ (bumps on bone that are ridge knob or blade shaped) may stick out
neural arch, processes
girdles are sheets of bone wrapping part way or sandwiching the ribs and pelvic vertibre. limbs attach for supporting the body, and _____ girdle is where hindlimb attach and ____ is where forelimbs attach
pelvic, pectoral
each side of the pelvic girdle is made up of 3 bones - the ____ (flat sheet of bone) which is fused to the ____, a block of vertibre between italic blades, a piece pointing forward and down (the ____), and finally a piece pointing backward and down, called the ______. all 3 come together in a sculpted area of the pelvis (____)
ilium, sacrum. pubis, ischium, acetabulum
in the pectoral girl, a flat sheet of bone (___) 0- shoulder blade - on each side of body exists. it is connected to the ____, a shield like bone, which together support the front lim
scapula, coracoid
in the chest, the _____ (breastbone) is flat that’s locked into position on the chest by chest ribs. includes paired collar bones (________s) sit just above and between the paired coracoids
sternum, clavicles
all limbs have a single upper bone connecting to a pair of lower bones (forearms) the ____ and _____. in the hindlimb, the upper thigh bone = _____, the joint is the knee, and the paired lower bones (shins) are the ____ and ___ (“two bones”).
radius, ulna, femur, tibia and fibula
the wrist and ankle bones = ___ and ___> bones of palm and hand are ______, bones in foot are _______. all together they are the __________.
carpals, carpals, metacarpals, metatarsals, metapodials
sallbones letting you have flexibility in fingers and feet are ________. the tip of each digit beyond the last joint is each ____ _____
phalange, ungual phalange
in the head of a tetrapod, the skull has a ______ (bone covered box with brain), at the back of it there’s the ____ ___, knob of bone connecting it to the vertebrate column. the ___ ___ is a rear facing opening in brain case letting spinal cord in. each side of brain case has ____ for hearing. finally brain case is covered by a curved sheet of interlocking bones - the ___ _
brain case, foramen magnum, stapes, skull roof