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Comparative anatomy studies similarities and differences in organisms. The image shows homologous bones in the upper limb of various vertebrates. Comparative anatomy is the study of similarities and differences in the anatomy of different species. It is closely related to evolutionary biology and phylogeny [1] (the evolution of species).
Stereoscopy (also called stereoscopics, or stereo imaging) is a technique for creating or enhancing the illusion of depth in an image by means of stereopsis for binocular vision. [2] The word stereoscopy derives from Greek στερεός (stereos) 'firm, solid', and σκοπέω (skopeō) 'to look, to see'. [3] [4] Any stereoscopic image is ...
The tympanum is an external hearing structure in animals such as mammals, birds, some reptiles, some amphibians and some insects. [1] Using sound, vertebrates and many insects are capable of sensing their prey, identifying and locating their predators, warning other individuals, and locating potential mates and rivals by hearing the intentional ...
In anatomy a chiasm is the spot where two structures cross, forming an X-shape (from Greek letter χ, Chi). Examples of chiasms are: A tendinous chiasm, the spot where two tendons cross. For example, the tendon of the flexor digitorum superficialis muscle, and the tendon of the flexor digitorum longus muscle which even forms two chiasms.
Prism graphs are examples of generalized Petersen graphs, with parameters GP ( n ,1). They may also be constructed as the Cartesian product of a cycle graph with a single edge. [1] As with many vertex-transitive graphs, the prism graphs may also be constructed as Cayley graphs. The order- n dihedral group is the group of symmetries of a regular ...
Siphon (mollusc) A specimen of a venerid bivalve. The adductor muscles have been cut, the valves are gaping. The internal anatomy is visible, including the paired siphons to the right. The siphon of a large herbivore marine volute, Cymbiola magnifica. A siphon is an anatomical structure which is part of the body of aquatic molluscs in three ...
Reduction mammoplasty (also breast reduction and reduction mammaplasty) is the plastic surgery procedure for reducing the size of large breasts. In a breast reduction surgery for re-establishing a functional bust that is proportionate to the patient's body, the critical corrective consideration is the tissue viability of the nipple–areola complex (NAC), to ensure the functional sensitivity ...
A cross-section view of a compression seal. In geometry and science, a cross section is the non-empty intersection of a solid body in three-dimensional space with a plane, or the analog in higher- dimensional spaces. Cutting an object into slices creates many parallel cross-sections. The boundary of a cross-section in three-dimensional space ...