Herxheim (archaeological Site)
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Herxheim (archaeological Site)
The archaeological site of Herxheim, located in the municipality of Herxheim in southwest Germany, was a ritual center and a mass grave formed by people of the Linear Pottery culture (LBK) culture in Neolithic Europe. The site is often compared to that of the Talheim Death Pit and Schletz-Asparn, but is quite different in nature. The site dates from between 5300 and 4950 BC. Discovery Herxheim was discovered in 1996 on the site of a construction project when locals reported finds of bones, including human skulls. The excavation was considered a salvage or rescue dig, as parts of the site were destroyed by the construction. Culture The people at Herxheim were part of the LBK culture. Styles of LBK pottery, some of a high quality, were discovered at the site from local populations as well as from distant lands from the north and east, even as far as away. Local flint as well as flints from distant sources were also found. Settlement The structures at Herxheim suggested that ...
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Necropolis
A necropolis (plural necropolises, necropoles, necropoleis, necropoli) is a large, designed cemetery with elaborate tomb monuments. The name stems from the Ancient Greek ''nekropolis'', literally meaning "city of the dead". The term usually implies a separate burial site at a distance from a city, as opposed to tombs within cities, which were common in various places and periods of history. They are different from grave fields, which did not have structures or markers above the ground. While the word is most commonly used for ancient sites, the name was revived in the early 19th century and applied to planned city cemeteries, such as the Glasgow Necropolis. Necropoli in the ancient world Egypt Ancient Egypt is noted for multiple necropoleis. Ancient Egyptian funerary practices and beliefs about the afterlife led to the construction of several extensive necropoleis to secure and provision the dead in the hereafter. These necropoleis are therefore major archaeological si ...
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Spongy Bone
A bone is a rigid organ that constitutes part of the skeleton in most vertebrate animals. Bones protect the various other organs of the body, produce red and white blood cells, store minerals, provide structure and support for the body, and enable mobility. Bones come in a variety of shapes and sizes and have complex internal and external structures. They are lightweight yet strong and hard and serve multiple functions. Bone tissue (osseous tissue), which is also called bone in the uncountable sense of that word, is hard tissue, a type of specialized connective tissue. It has a honeycomb-like matrix internally, which helps to give the bone rigidity. Bone tissue is made up of different types of bone cells. Osteoblasts and osteocytes are involved in the formation and mineralization of bone; osteoclasts are involved in the resorption of bone tissue. Modified (flattened) osteoblasts become the lining cells that form a protective layer on the bone surface. The mineralized matrix ...
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Bone Marrow
Bone marrow is a semi-solid tissue found within the spongy (also known as cancellous) portions of bones. In birds and mammals, bone marrow is the primary site of new blood cell production (or haematopoiesis). It is composed of hematopoietic cells, marrow adipose tissue, and supportive stromal cells. In adult humans, bone marrow is primarily located in the ribs, vertebrae, sternum, and bones of the pelvis. Bone marrow comprises approximately 5% of total body mass in healthy adult humans, such that a man weighing 73 kg (161 lbs) will have around 3.7 kg (8 lbs) of bone marrow. Human marrow produces approximately 500 billion blood cells per day, which join the systemic circulation via permeable vasculature sinusoids within the medullary cavity. All types of hematopoietic cells, including both myeloid and lymphoid lineages, are created in bone marrow; however, lymphoid cells must migrate to other lymphoid organs (e.g. thymus) in order to complete maturation. ...
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Fillet (cut)
A fillet or filet (, ; from the French word , ) is a boneless cut or slice of meat or fish. The fillet is often a prime ingredient in many cuisines, and many dishes call for a specific type of fillet as one of the ingredients. Meat Beef In the case of beef, the term most often refers to beef tenderloin in the United States, especially filet mignon. Chicken Chicken filets, sometimes called inner filets, are a specific cut of meat from the chicken or ostrich steaks. There are two filets in a chicken, and they are each a few inches long and about 1 inch or less wide. They lie under the main portion of the breast just above the ribcage around the center of the sternum. They are separated from the main breast by filament. Chicken filets are very popular in supermarkets in many countries. They can come attached to the main breast itself or separated from the breast in packages of generally four or more filets. File:Kycklingfilé.jpg, Raw chicken filets File:Schweinefilet-1. ...
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Dismemberment
Dismemberment is the act of cutting, ripping, tearing, pulling, wrenching or otherwise disconnecting the limbs from a living or dead being. It has been practiced upon human beings as a form of capital punishment, especially in connection with regicide, but can occur as a result of a traumatic accident, or in connection with murder, suicide, or cannibalism. As opposed to surgical amputation of the limbs, dismemberment is often fatal. In criminology, a distinction is made between offensive dismemberment, in which dismemberment is the primary objective of the dismemberer, and defensive dismemberment, in which the motivation is to destroy evidence. In 2019, Michael H. Stone, Gary Brucato and Ann Burgess proposed formal criteria by which "dismemberment" might be systematically distinguished from the act of "mutilation", as these terms are commonly used interchangeably. They suggested that dismemberment involves "the entire removal, by any means, of a large section of the body of a ...
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Skeleton
A skeleton is the structural frame that supports the body of an animal. There are several types of skeletons, including the exoskeleton, which is the stable outer shell of an organism, the endoskeleton, which forms the support structure inside the body, and the hydroskeleton, a flexible internal skeleton supported by fluid pressure. Vertebrates are animals with a vertebral column, and their skeletons are typically composed of bone and cartilage. Invertebrates are animals that lack a vertebral column. The skeletons of invertebrates vary, including hard exoskeleton shells, plated endoskeletons, or Sponge spicule, spicules. Cartilage is a rigid connective tissue that is found in the skeletal systems of vertebrates and invertebrates. Etymology The term ''skeleton'' comes . ''Sceleton'' is an archaic form of the word. Classification Skeletons can be defined by several attributes. Solid skeletons consist of hard substances, such as bone, cartilage, or cuticle. These can be further ...
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Brain
A brain is an organ that serves as the center of the nervous system in all vertebrate and most invertebrate animals. It is located in the head, usually close to the sensory organs for senses such as vision. It is the most complex organ in a vertebrate's body. In a human, the cerebral cortex contains approximately 14–16 billion neurons, and the estimated number of neurons in the cerebellum is 55–70 billion. Each neuron is connected by synapses to several thousand other neurons. These neurons typically communicate with one another by means of long fibers called axons, which carry trains of signal pulses called action potentials to distant parts of the brain or body targeting specific recipient cells. Physiologically, brains exert centralized control over a body's other organs. They act on the rest of the body both by generating patterns of muscle activity and by driving the secretion of chemicals called hormones. This centralized control allows rapid and coordinated respon ...
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Calvaria (skull)
The calvaria is the top part of the skull. It is the upper part of the neurocranium and covers the cranial cavity containing the brain. It forms the main component of the skull roof. The calvaria is made up of the superior portions of the frontal bone, occipital bone, and parietal bones. In the human skull, the sutures between the bones normally remain flexible during the first few years of postnatal development, and fontanelles are palpable. Premature complete ossification of these sutures is called craniosynostosis. In Latin, the word ''calvaria'' is used as a feminine noun with plural ''calvariae''; however, many medical texts list the word as ''calvarium'', a neuter Latin noun with plural ''calvaria''. Structure The outer surface of the skull possesses a number of landmarks. The point at which the frontal bone and the two parietal bones meet is known as "Bregma". The point at which the two parietal bones and the occipital bone meet is known as "Lambda". Not only do t ...
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Parietal Bone
The parietal bones () are two bones in the Human skull, skull which, when joined at a fibrous joint, form the sides and roof of the Human skull, cranium. In humans, each bone is roughly quadrilateral in form, and has two surfaces, four borders, and four angles. It is named from the Latin ''paries'' (''-ietis''), wall. Surfaces External The external surface [Fig. 1] is convex, smooth, and marked near the center by an eminence, the parietal eminence (''tuber parietale''), which indicates the point where ossification commenced. Crossing the middle of the bone in an arched direction are two curved lines, the superior and inferior temporal lines; the former gives attachment to the temporal fascia, and the latter indicates the upper limit of the muscular origin of the temporal muscle. Above these lines the bone is covered by a tough layer of fibrous tissue – the epicranial aponeurosis; below them it forms part of the temporal fossa, and affords attachment to the temporal muscle. ...
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Sagittal Suture
The sagittal suture, also known as the interparietal suture and the ''sutura interparietalis'', is a dense, fibrous connective tissue joint between the two parietal bones of the skull. The term is derived from the Latin word ''sagitta'', meaning arrow. Structure The sagittal suture is formed from the fibrous connective tissue joint between the two parietal bones of the skull. It has a varied and irregular shape which arises during development. The pattern is different between the inside and the outside. Two anatomical landmarks are found on the sagittal suture: the bregma, and the vertex of the skull. The bregma is formed by the intersection of the sagittal and coronal sutures. The vertex is the highest point on the skull and is often near the midpoint of the sagittal suture. Development At birth, the bones of the skull do not meet. The gap that remains, which is approximately 5 mm wide, allows for the brain to continue to grow normally after birth. The inner parts of ...
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Eye Socket
In anatomy, the orbit is the cavity or socket of the skull in which the eye and its appendages are situated. "Orbit" can refer to the bony socket, or it can also be used to imply the contents. In the adult human, the volume of the orbit is , of which the eye occupies . The orbital contents comprise the eye, the orbital and retrobulbar fascia, extraocular muscles, cranial nerves II, III, IV, V, and VI, blood vessels, fat, the lacrimal gland with its sac and duct, the eyelids, medial and lateral palpebral ligaments, cheek ligaments, the suspensory ligament, septum, ciliary ganglion and short ciliary nerves. Structure The orbits are conical or four-sided pyramidal cavities, which open into the midline of the face and point back into the head. Each consists of a base, an apex and four walls."eye, human."Encyclopædia Britannica from Encyclopædia Britannica 2006 Ultimate Reference Suite DVD 2009 Openings There are two important foramina, or windows, two important fis ...
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