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Encyclopedia > Malleus
Bone: Malleus
Left malleus. A. From behind. B. From within.
The right membrana tympani with the hammer and the chorda tympani, viewed from within, from behind, and from above. (Malleus visible at center.)
Latin '
Gray's subject #231 1044
Origins
Insertions
Articulations
MeSH A09.246.397.247.524
Dorlands/Elsevier {{{DorlandsPre}}}/{{{DorlandsSuf}}}
This article is about a bone. For a book, see Malleus Maleficarum.

The malleus is hammer-shaped small bone or ossicle of the middle ear which connects with the incus and is attached to the inner surface of the eardrum. The word is Latin, and means 'hammer'. Image File history File links Gray916. ... Image File history File links Gray912. ... The tympanic membrane, colloquially known as the eardrum, is a thin membrane that separates the external ear from the middle ear. ... The chorda tympani are nerves of special sensation given off the facial nerve (VII) inside the skull. ... It has been suggested that History of the Latin language be merged into this article or section. ... Medical Subject Headings (MeSH) is a huge controlled vocabulary (or metadata system) for the purpose of indexing journal articles and books in the life sciences. ... Elseviers logo Elsevier, the worlds largest publisher of medical and scientific literature, forms part of the Reed Elsevier group. ... Cover of the seventh Cologne edition of the Malleus Maleficarum, 1520 (from the University of Sydney Library). ... Grays illustration of a human femur, a typically recognized bone. ... The ossicles (also called auditory ossicles) are the three smallest bones in the human body. ... For an alternative meaning, see ear (botany). ... This article refers to a bone in the mammalian ear. ... The tympanic membrane, colloquially known as the eardrum, is a thin membrane that separates the external ear from the middle ear. ... It has been suggested that History of the Latin language be merged into this article or section. ...


It transmits the sound vibrations from the eardrum to the incus. The tympanic membrane, colloquially known as the eardrum, is a thin membrane that separates the external ear from the middle ear. ...


The malleus is unique to mammals, and evolved from a lower jaw bone in reptiles called the articular. The articular is a bone in the lower jaw of most tetrapods, including reptiles, birds, and amphibians, but has become a middle ear bone (the malleus) in mammals. ...


See also

Sensory system - Auditory system - edit
Outer ear: Pinna | Ear canal 

Middle ear: Eardrum | Ossicles (MalleusIncus & Stapes) | Stapedius | Tensor tympani | Eustachian tube Grays illustration of a human femur, a typically recognized bone. ... In zootomy, several terms are used to describe the location of organs and other structures in the body of bilateral animals. ... This article or section may be confusing for some readers, and should be edited to be clearer or more simplified. ... The auditory system is the sensory system for the sense of hearing. ... The outer ear is the external portion of the ear and includes the eardrum. ... Juzzah is a loser Boom, Headshot Bergamin and Gerald died The pinna (Latin for feather) is the visible part of the ear that resides outside of the head. ... Anatomy of the human ear. ... For an alternative meaning, see ear (botany). ... The tympanic membrane, colloquially known as the eardrum, is a thin membrane that separates the external ear from the middle ear. ... The ossicles (also called auditory ossicles) are the three smallest bones in the human body. ... This article refers to a bone in the mammalian ear. ... The stapes or stirrup is the stirrup-shaped small bone or ossicle in the middle ear which attaches the incus to the fenestra ovalis, the oval window which is adjacent to the vestibule of the inner ear. ... The stapedius is the smallest striated muscle in the human body. ... The tensor tympani muscle arises from the auditory tube and inserts onto the handle of the malleus, damping down vibration in the ossicles and so reducing the amplitude of sounds. ... Anatomy of the human ear. ...


Inner ear: Cochlea (Scala vestibuliScala media & Scala tympani) | Oval window | Helicotrema | Round window | Basilar membrane | Reissner's membrane | Organ of Corti | Hair cells | Stereocilia For an alternative meaning, see ear (botany). ... Cross section of the cochlea. ... Scala vestibuli is a perilymph filled cavity inside the cochlea of the inner ear. ... Scala media is a endolymph filled cavity inside the cochlea, located in between the scala tympani and the scala vestibuli, separated by the basilar membrane and Reissners membrane(the vestibular membrane) respectively. ... Scala tympani is the name of one of the perilymph filled cavities in the cochlear labyrinth. ... The helicotrema is the part of the cochlear labyrinth where the scala tympani and the scala vestibuli meet. ... The round window is one of two membranes that separates the inner ear from the middle ear. ... Cross section of the cochlea. ... Reissners membrane is a membrane inside the cochlea of the inner ear, it separates scala media from scala vestbuli and together with the basilar membrane it creates a compartment in the cochlea filled with perilymph, which is important for the function of the organ of Corti inside the scala... A cross section of the cochlea illustrating the Organ of Corti. ... Hair Cell Hair cells are the sensory cells of both the auditory system and the vestibular system in all vertebrates. ... Stereocilia are mechanosensing organelles of hair cells, which respond to fluid motion or fluid pressure changes in numerous types of animals for various functions, primarily hearing. ...


Brain: Cochlear nerve VIII → Cochlear nuclei → Superior olivary nuclei → Inferior colliculi → Medial geniculate nuclei → Primary auditory cortex Comparative brain sizes In animals, the brain, or encephalon (Greek for in the head), is the control center of the central nervous system. ... The Cochlear nerve (n. ... The vestibulocochlear nerve is the eighth of twelve cranial nerves and also known as the auditory nerve. ... The cochlear nuclei consist of: (a) the lateral cochlear nucleus, corresponding to the tuberculum acusticum on the dorso-lateral surface of the inferior peduncle; and (b) the ventral or accessory cochlear nucleus, placed between the two divisions of the nerve, on the ventral aspect of the inferior peduncle. ... // Anatomy The superior olivary nucleus (or superior olive) is a small mass of gray substance situated on the dorsal surface of the lateral part of the trapezoid body. ... The paired inferior colliculi together with the superior colliculi form the eminences of the corpora quadrigemina. ... The medial geniculate nucleus is a nucleus of the thalamus that acts as a relay for auditory information. ... The primary auditory cortex is the region of the brain that is responsible for processing of auditory (sound) information. ...

Human Bones - edit
VERTEBRAL COLUMN: vertebrae (cervical - atlas - axis | thoracic | lumbar) | sacrum | coccyx

THORAX: sternum | rib A typical adult human skeleton consists of the following 206 bones, though a small portion of the human population have an extra bone, occurring in the form of an extra rib. ... The vertebral column seen from the side Different regions (curvatures) of the vertebral column The vertebral column (backbone or spine) is a column of vertebrae situated in the dorsal aspect of the abdomen. ... A diagram of a thoracic vertebra. ... A cervical vertebra Cervical vertebrae (Vertebrae cervicales) are the smallest of the true vertebrae, and can be readily distinguished from those of the thoracic or lumbar regions by the presence of a foramen (hole) in each transverse process. ... First cervical vertebra, or Atlas In anatomy, the Atlas (C1) is the topmost (first) cervical vertebra of the spine. ... In anatomy, the second cervical vertebra (C2) of the spine is named the axis or epistropheus. ... A typical thoracic vertebra The thoracic vertebrae (vertebrae thoracales) compose the middle segment of the vertebral column, between the cervical vertebrae and the lumbar vertebrae. ... Categories: Anatomy stubs | Anatomy ... Image of pelvis. ... The coccyx is formed of four fused vertebrae. ... Diagram of a tsetse fly, showing the head, thorax and abdomen The thorax is a division of an animals body that lies between the head and the abdomen. ... Figure 1 : Anterior surface of sternum and costa cartilages. ... The human rib cage. ...


cranial bones of SKULL: occipital | parietal | frontal | temporal | sphenoid | ethmoid A hippopotamus skull A skull, or cranium, is a bony structure of Craniates which serves as the general framework for a head. ... The occipital bone [Fig. ... The parietal bones (os parietale) are bones in the human skull and form, by their union, the sides and roof of the cranium. ... The frontal bone (os frontale, TA: A02. ... The temporal bones (os temporales) are situated at the sides and base of the skull. ... Figure 1 : Sphenoid bone, upper surface. ... Your skull is in your back (this is obviously not true, I was just testing the website to see if it really works) The ethmoid bone (os ethmoidale) is a bone in the skull that separates the nasal cavity from the brain. ...


facial bones of SKULL nasal | maxilla | lacrimal | zygomatic | palatine | inferior nasal conchae | vomer | mandible | hyoid A hippopotamus skull A skull, or cranium, is a bony structure of Craniates which serves as the general framework for a head. ... The Nasal Bones (Ossa Faciei & Ossa Nasalia) are two small oblong bones, varying in size and form in different individuals; they are placed side by side at the middle and upper part of the face, and form, by their junction, the bridge of the nose. ... The maxillae are the largest bones of the face, except for the mandible, and form, by their union, the whole of the upper jaw. ... The lacrimal bone (Os Lacrimale), the smallest and most fragile bone of the face, is situated at the front part of the medial wall of the orbit . ... The zygomatic bone (also known as the zygoma; Os Zygomaticum; Malar Bone) is a paired bone of the human skull. ... The palatine bone is a bone situated at the back part of the nasal cavity between the maxilla and the pterygoid process of the sphenoid. ... It has been suggested that this article or section be merged with Nasal concha. ... The vomer bone is one of the unpaired facial bones of the skull. ... The mandible (inferior maxillary bone) (together with the maxilla) is the largest and strongest bone of the face. ... The hyoid bone (Os Hyoideum; Lingual Bone) is a bone in the human neck, not articulated to any other bone; it is supported by the muscles of the neck and in turn supports the root of the tongue. ...


UPPER EXTREMITY: clavicle | scapula | humerus | ulna | radius Left clavicle - from above Left clavicle - from below Collarbone (a bone) redirects here. ... Left scapula - front view () Left scapula - rear view () In anatomy, the scapula, or shoulder blade, is the bone that connects the humerus (arm bone) with the clavicle (collar bone). ... The humerus is a long bone in the arm or fore-legs (animals) that runs from the shoulder to the elbow. ... The ulna (Elbow Bone) [Figs. ... The radius and ulna of the left forearm, posterior surface. ...


carpus (scaphoid | lunate bone | triquetral | pisiform | trapezium | trapezoid | capitate | hamate) | metacarpals | phalanges (prox | int | dist) In Greek mythology, Carpus fruit was a son of Chloris and Boreas. ... The scaphoid bone of the wrist is found on the thumb side of the hand, within the anatomical snuffbox. ... The lunate bone (os lunatum; semilunar bone) is a bone in the human hand that may be distinguished by its deep concavity and crescentic outline. ... The triquetral bone (also called triquetral, os triquetrum, cuneiform bone, pyramidal bone, cubital bone, os pyramidale, os triangulare, three-cornered bone, and triangular bone) is a type of carpal bone. ... The left pisiform bone. ... The trapezium is a bone in the human hand. ... In human anatomy, the trapezoid bone (lesser multangular bone; os multangulum minus) is a bone in the hands. ... The capitate bone (os capitatum; os magnum) is a bone in the human hand. ... The hamate bone (os hamatum; unciform bone) is a bone in the human hand that may be readily distinguished by its wedge-shaped form, and the hook-like process which projects from its volar surface. ... The metacarpus is the intermediate part of the hand skeleton that is located between the fingers distally and the carpus which forms the connection to the forearm. ... Proximal phalanges are bones found in the limbs of most vertebrates. ... Intermediate phalanges are bones found in the limbs of most vertebrates. ... Distal phalanges are bones found in the limbs of most vertebrate skeletons. ...


LOWER EXTREMITY: pelvis (ilium, ischium, pubis, acetabulum) | femur (greater trochanter - lesser trochanter - linea aspera) | patella | fibula | tibia Human male pelvis, viewed from front Human female pelvis, viewed from front The pelvis is the bony structure located at the base of the spine (properly known as the caudal end). ... The ilium is a bone that is part of the pelvis. ... The ischium forms the lower and back part of the hip bone. ... The pubis, the anterior part of the hip bone, is divisible into a body, a superior and an inferior ramus. ... Categories: Anatomy stubs | Skeletal system ... If you were looking for an organization, see FEMA. The femur or thigh bone is the longest, most voluminous and strongest bone of the human body. ... Bones of the Hip In anatomy, the hip is the bony projection of the femur, known as the greater trochanter, and the overlying muscle and fat. ... The Lesser Trochanter (small trochanter) of the femur is a conical eminence, which varies in size in different subjects; it projects from the lower and back part of the base of the neck. ... The linea aspera is a ridge of roughened surface on the posterior aspect of the femur, to which are attached muscles and intermusclular septa. ... Left patella - anterior aspect Left patella - posterior aspect The patella or kneecap is a thick, triangular bone which articulates with the femur and covers and protects the front of the knee joint. ... Figure 1 : Lower extremity of right fibula. ... Figure 1 : Upper surface of right tibia. ...


tarsus (calcaneus | talus | navicular | cuneiform | cuboid ) | metatarsals | phalanges (prox | int | dist) FIG. 268– Bones of the right foot. ... The calcaneus is the large bone making up the heel of the human foot. ... FIG. 270– Left talus, from above. ... The navicular bone (also called the navicular or scaphoid) is a small boat-shaped human bone of the tarsus. ... There are three cuneiform bones in the human foot: the medial cuneiform, the intermediate cuneiform and the lateral cuneiform. ... The cuboid bone is one of seven Tarsal bones. ... The metatarsus consists of the five long bones of the foot, which are numbered from the medial side (ossa metatarsalia I.-V.); each presents for examination a body and two extremities. ... Proximal phalanges are bones found in the limbs of most vertebrates. ... Intermediate phalanges are bones found in the limbs of most vertebrates. ... Distal phalanges are bones found in the limbs of most vertebrate skeletons. ...


OSSICLES: malleus | incus | stapes The ossicles (also called auditory ossicles) are the three smallest bones in the human body. ... This article refers to a bone in the mammalian ear. ... The stapes or stirrup is the stirrup-shaped small bone or ossicle in the middle ear which attaches the incus to the fenestra ovalis, the oval window which is adjacent to the vestibule of the inner ear. ...


  Results from FactBites:
 
Malleus Maleficarum - Wikipedia, the free encyclopedia (1228 words)
Despite popular belief that the Malleus Maleficarum was the classic Roman Catholic text on witchcraft, it was never officially used by the Catholic Church and was, in fact, condemned by the Inquisition in 1490.
The Malleus Maleficarum was originally prefaced by the papal bull Summis desiderantes issued by Pope Innocent VIII on December 5, 1484, the main papal document on witchcraft.
The sexism of the Malleus can’t be denied; the clerics’ belief that women were inferior, weak, and easily corruptible creatures is emphasized often throughout the writing.
Malleus - Wikipedia, the free encyclopedia (138 words)
The right membrana tympani with the hammer and the chorda tympani, viewed from within, from behind, and from above.
The malleus is hammer-shaped small bone or ossicle of the middle ear which connects with the incus and is attached to the inner surface of the eardrum.
The malleus is unique to mammals, and evolved from a lower jaw bone in reptiles called the articular.
  More results at FactBites »

 
 

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