Fossula petrosa –>
petrosal fossula
a small and often only faintly marked depression on the inferior surface of the petrous portion of the temporal bone, between the jugular fossa and the opening of the carotid canal; here opens the canaliculus tympanicus transmitting the tympanic nerve.
Synonym: fossula petrosa, petrosal fossa, receptaculum ganglii petrosi.
Viruses possess both living and non-living characteristics. This unique feature distinguishes them from other organisms...
This tutorial looks at some of the communities in freshwater lentic habitats. For instance, symbiosis occurs in a commun..
Find out more about New Zealand's unique biodiversity by exploring a range of different ecosystems and the key role of s..
Lymphocytes are a type of white blood cell capable of producing a specific immune response to unique antigens. In thi..
Plant cells have plastids essential in photosynthesis. They also have an additional layer called cell wall on their cell..
Learn about the general structure of a eukaryotic gene, the transcription factors, and post-transcriptional regulation....