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3D model of cochlea and semicircular canals. The cochlea is the part of the inner ear involved in hearing.It is a spiral-shaped cavity in the bony labyrinth, in humans making 2.75 turns around its axis, the modiolus.
Standard anatomical terms of location are used to unambiguously describe the anatomy of animals, including humans. The terms, typically derived from Latin or Greek roots, describe something in its standard anatomical position. This position provides a definition of what is at the front ("anterior"), behind ("posterior") and so on.
In amniotes, the clitoris (/ ˈ k l ɪ t ər ɪ s / ⓘ KLIT-ər-iss or / k l ɪ ˈ t ɔːr ɪ s / ⓘ klih-TOR-iss; pl.: clitorises or clitorides) is a female sex organ. [1] In humans, it is the vulva's most erogenous area and generally the primary anatomical source of female sexual pleasure. [2]
An anatomical variation, anatomical variant, or anatomical variability is a presentation of body structure with morphological features different from those that are typically described in the majority of individuals.
The lungs are the main organs of the respiratory system in most terrestrial animals, including all tetrapod vertebrates and a small number of amphibious fish (lungfish and bichirs), pulmonate gastropods (land snails and slugs, which have analogous pallial lungs), and some arachnids (tetrapulmonates such as spiders and scorpions, which have book lungs).
In mammals, invertebrates and most fish, [1] [2] the anus (pl.: anuses or ani; from Latin, 'ring' or 'circle') is the external body orifice at the exit end of the digestive tract (), i.e. the opposite end from the mouth.
Nasal cavity anatomy. The term "nasal cavity" can refer to each of the two cavities of the nose, or to the two sides combined. CT scan in the coronal plane, showing the ostiomeatal complex (green area)
In most terrestrial mammals, the scrotum (pl.: scrotums or scrota; possibly from Latin scortum, meaning "hide" or "skin") [1] [2] or scrotal sac is a part of the external male genitalia located at the base of the penis.