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In animals, the function of the pinna is to collect sound, and perform spectral transformations to incoming sounds which enable the process of vertical localization to take place. [2] It collects sound by acting as a funnel, amplifying the sound and directing it to the auditory canal.
Pinna nobilis, known by the common names noble pen shell and fan mussel, is a large species of Mediterranean clam, a marine bivalve mollusc in the family Pinnidae, the pen shells. [2] It reaches up to 120 cm (4 ft) of shell length. [3] It produces a rare manganese-containing porphyrin protein known as pinnaglobin. [4]
The visible part is called the auricle, also known as the pinna, especially in other animals.It is composed of a thin plate of yellow elastic cartilage, covered with integument, and connected to the surrounding parts by ligaments and muscles; and to the commencement of the ear canal by fibrous tissue.
Fun fact: blue whales are 16 times bigger than a human. The post 50 Animals So Giant It’s Hard To Believe They’re Real (New Pics) first appeared on Bored Panda.
In animals, pinnation occurs in various organisms and structures, including: Some muscles can be unipinnate or bipinnate muscles . The fish Platax pinnatus is known as the pinnate spadefish or pinnate batfish.
Bilateria (/ ˌ b aɪ l ə ˈ t ɪər i ə / BY-lə-TEER-ee-ə) [5] is a large clade or infrakingdom of animals called bilaterians (/ ˌ b aɪ l ə ˈ t ɪər i ə n / BY-lə-TEER-ee-ən), [6] characterized by bilateral symmetry (i.e. having a left and a right side that are mirror images of each other) during embryonic development.
The amber pen shell can be found in coastal western Atlantic waters, ranging from southern Florida across the Caribbean and the West Indies to Brazil. [2] [3] [4] [5]The amber pen shell is benthic and usually occurs in medium to coarse sand or mixed substrata (sand, gravel, rocks), in fine calcareous sandy mud of eelgrass (e.g. Zostera spp.), in sandy substrata of turtle grass (e.g. Thalassia ...
Christophe Pinna (born 1968), French martial artist; Giovanni Pinna, a paleontologist and describer of the Triassic reptile Drepanosaurus; Mattheus Pinna da Encarnaçao (1687–1764), Brazilian theologian