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[2] [3] In 1893, Robert Wiedersheim published The Structure of Man, a book on human anatomy and its relevance to evolutionary history. This book contains a list of 86 human organs he considered vestigial, which he called "wholly or in part functionless, some appearing in the Embryo alone, others present during Life constantly or inconstantly.
Past research suggests that live insects represent at least 14% of foreign objects found in people's ear canals. Other commonly identified objects include cotton balls, beads and earring backings.
On the lateral sides of the female's tail, phasmidal apertures were observed. The caudal end of the male was asymmetrically alate and bore 10 pairs of papillae and two phasmidal apertures." [3] The average length for male worms is 29.1 mm (1.15 in), while the average length for adult females is 58.7 mm (2.31 in). The worm is highly mobile, as ...
The evolution of the mammalian middle ear appears to have occurred in two steps. A partial middle ear formed by the departure of postdentary bones from the dentary, and happened independently in the ancestors of monotremes and therians. The second step was the transition to a definite mammalian middle ear, and evolved independently at least ...
Why some people have a small hole in front of their upper ears. Kelsey Weekman. November 29, 2016 at 2:33 PM. There is a birth defect of the ear that is visible and relatively common around the world.
The common term, earwig, is derived from the Old English ēare, which means ' ear ', and wicga, which means ' insect ', or literally, ' beetle '. [2] Entomologists suggest that the origin of the name is a reference to the appearance of the hindwings, which are unique and distinctive among insects, and resemble a human ear when unfolded.
Image credits: caspii2 First created exactly 13 years ago on February 5, 2012, ‘Mildly Interesting’ has grown to become a second home to a whopping 24 million members from all corners of the ...
The middle ear is the portion of the ear medial to the eardrum, and distal to the oval window of the cochlea (of the inner ear). The mammalian middle ear contains three ossicles (malleus, incus, and stapes), which transfer the vibrations of the eardrum into waves in the fluid and membranes of the inner ear .