General Characteristics of Vertebral Column Flashcards
What is the number of vertebrae in typical adolescent
33 segments
what is the number of vertebrae in a typical adult
26 segments
what is the number of vertebrae in the typical spine
24 segments
what constitutes the spine
the 24 presacral segments; the cervical, thoracic, and lumbar vertebrae
how many segments unite to form the typical sacrum
5 segments
how many segments unite to form the typical coccyx
4 segments
which mammals have more than seven cervical vertebrae
the ant bear and three toes sloth
which mammals have less than seven cervical vertebrae
the manatee and two toed sloth
which mammals do not have seven cervical vertebrae
the two toed sloth, manatee, ant bear, and three toed sloth
what does the term “cervical” refer to
the region of the neck
what does the term “thoracic” refer to?
breast plate or chest; it referred to the armor bearing region
what other term is often used to identify the vertebral segments of the chest
the dorsal segments; the dorsals
what is the typical number of segments in the dorsal or thoracic region
12 segments
what does the term “lumbar” refer to
the loin; the region between the rib and the hip
what is the typical number of segments in the lumbar region
5 segments
what does the term “sacrum” refer to
the holy bone or holy region
what does the term “coccyx” refer to
a cuckoo bird bill or cuckoo bird beak
differences in the number and morphology of vertebrae within the population based on male and female variation is identified as which type of variation
gender variation or sexual diorphism
differences in the number and morphology of vertebrae within the population based on age r developmental variation is identified as which type of variation
ontogenetic variation
difference in the number and morphology of vertebrae within the population based on ethnicity or locational variation is identified as which type of variation
geographic or population based variation
difference in the number and morphology of vertebrae within the population based on the variation between individuals is identified as which type of variation
idiosyncratic variation
which variations account for the disparity in number and morphology of vertebrae within the population
gender variation or sexual dimorphism, ontogenetic variation, geographic or population based variation, and idiosyncratic variation
