Medical Dictionary
fossa
noun fos·sa \ˈfäs-ə\
plural fos·sae \-ˌē, -ˌī\
Medical Definition of FOSSA
: an anatomical pit, groove, or depression <the temporal fossa of the skull> <the fossa in the liver for the gallbladder>
—fos·sate \-ˌāt\ adjective
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