Examlex
Astronomers can determine the interiors of main sequence stars by _____.
Obturator
Anything that obstructs or closes a cavity or opening; refers to that internal portion of an examining instrument that facilitates the introduction of the instrument into the body and is then withdrawn, permitting visualization of the internal area.
Biopsy Forceps
A surgical tool used to take small samples of tissue from the body for examination and diagnosis of disease.
Sigmoidoscope
A medical instrument used to view the interior of the sigmoid colon and rectum, facilitating the detection of abnormalities.
Rectal Speculum
A medical tool used to dilate the rectum for diagnostic examinations or treatments.
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