How Do You Spell BASILAR INDEX?

Pronunciation: [bˈazɪləɹ ˈɪndɛks] (IPA)

The basilar index is a measurement of skull shape used in anthropology. The spelling of this word can be explained through its IPA phonetic transcription: /bəˈsɪlər/ /ˈɪndɛks/. The first syllable is pronounced with a weak stress and the second syllable with a strong stress. The "s" sound in "basilar" is pronounced as a voiced /z/ sound, while the "c" in "index" is pronounced with an /s/ sound. This spelling highlights the importance of accurate transcription and communication in scientific fields.

BASILAR INDEX Meaning and Definition

1. The basilar index is a term used in anthropology and anatomy to describe a quantitative measurement used to determine the shape of the base of the skull. It is calculated by dividing the breadth of the skull at its maximum width by its length from the nasion (the midpoint between the forehead and the root of the nose) to the basion (the midpoint between the back of the head and the spinal cord).

   This index provides valuable information about skull morphology and can help in the identification of specific cranial characteristics. It is particularly useful in distinguishing between different human populations, as there could be variations in the shape of the skull base among different ethnic groups.

   A high basilar index indicates a broader skull base compared to its length, resulting in a more circular or rounded shape, while a low basilar index suggests a narrower and elongated skull base. These variations may be associated with different ancestral groups and can be helpful in identifying similarities and differences in human populations.

   Additionally, the basilar index can provide insights into the evolution and development of the human species, as changes in this index over time can reflect adaptation and genetic factors. However, it is important to note that interpreting the basilar index requires careful consideration of various factors such as age, sex, and geographical location, as these can also influence skull morphology.

2. Ratio between the basialveolar line and the maximum length of the cranium, according to the formula basialveolar line x100/length of cranium; alveolar i.

   A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.

Common Misspellings for BASILAR INDEX

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Etymology of BASILAR INDEX

The term "basilar index" is derived from the combination of two words: "basilar" and "index".

1. Basilar: The word "basilar" refers to the base or bottom portion of something. It comes from the Latin word "basis", meaning a base or foundation.

2. Index: The word "index" has multiple meanings, but in this context, it refers to a numerical ratio or measurement used as a comparative figure. It is derived from the Latin word "index", which means a guide, pointer, or indicator.

Therefore, "basilar index" is a phrase that combines these two words to represent a comparative measurement related to the base or bottom part of something. In anthropology, the basilar index specifically refers to the ratio between the breadth and length of the skull's base, used to evaluate and categorize the shape of skulls.

Plural form of BASILAR INDEX is BASILAR INDEXES