Striated muscle tissue

Micrograph of HPS stained skeletal striated muscle (fibularis longus).

Cardiac muscle (heart muscle)

- Striated muscle tissue
Micrograph of HPS stained skeletal striated muscle (fibularis longus).

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General structure of a skeletal muscle cell and neuromuscular junction: 1. Axon

2. Neuromuscular junction

3. Skeletal muscle fiber

4. Myofibril

Muscle cell

Also known as a myocyte when referring to either a cardiac muscle cell , or a smooth muscle cell as these are both small cells.

Also known as a myocyte when referring to either a cardiac muscle cell , or a smooth muscle cell as these are both small cells.

General structure of a skeletal muscle cell and neuromuscular junction: 1. Axon

2. Neuromuscular junction

3. Skeletal muscle fiber

4. Myofibril
Diagram of skeletal muscle fiber structure

Skeletal muscle cells, and cardiac muscle cells contain myofibrils and sarcomeres and form a striated muscle tissue.

Scallop

Common name that encompasses various species of marine bivalve mollusks in the taxonomic family Pectinidae, the scallops.

Common name that encompasses various species of marine bivalve mollusks in the taxonomic family Pectinidae, the scallops.

Anatomical diagram of an Atlantic bay scallop with the left (i.e., upper) valve removed; anterior is to the left, posterior to the right
Diagram of a scallop with two differently sized valves shown positioned in ocean floor sediment: the right valve (shown at the bottom) much deeper than the left, allowing the scallop to appear less visible to predators
A live opened scallop showing the internal anatomy: The pale orange circular part is the adductor muscle; the darker orange curved part is the "coral", a culinary term for the ovary or roe.
Neural map of a giant scallop
Overhead view of a scallop engaged in a zig-zag swimming motion
Overhead view of a scallop engaged in a unidirectional jumping motion
A scallop pearl
Fossil scallop Chlamys with encrusters; Nicosia Formation (Pliocene) of Cyprus
Pecten tigris Lamarck, 1819, museum specimens
Pearl nets used to grow spat to juveniles in scallop aquaculture
Scallops with wine sauce
Saint James by Carlo Crivelli, c. 1480
Shield with symbol of St. James the Great, Church of the Good Shepherd (Rosemont, Pennsylvania)
A scallop shell in a German coat of arms
Aphrodite Anadyomene, from Amisos, 1st century BC – 1st century AD
Large sculpture by Maggi Hambling titled The Scallop erected in 2003 on the beach at Aldeburgh, England
Adductor muscle meat of the giant scallop (seven white circular items) with a large shrimp
Dried scallops, also known as conpoy
Taiwanese steamed scallops
A scallop being grilled next to sausages in Japan
Fried scallops on stick served with rice

Scallops possess fast (striated) and slow (smooth) adductor muscles, which have different structure and contractile properties.

Panniculus carnosus

Part of the subcutaneous tissues in vertebrates.

Part of the subcutaneous tissues in vertebrates.

It is a layer of striated muscle deep to the panniculus adiposus.

Theodor Schwann

German physician and physiologist.

German physician and physiologist.

Bronze statue of Theodor Schwann at the entrance of the Institute of Zoology, University of Liege, Belgium

Schwann also discovered that muscle tissue in the upper esophagus was striated.

Zalmoxes

Extinct genus of rhabdodontid ornithopod dinosaur from the Maastrichtian of Romania.

Extinct genus of rhabdodontid ornithopod dinosaur from the Maastrichtian of Romania.

Skull reconstruction of Z. robustus
Illustrations of Z. robustus and Z. shqiperorum in scale
Zalmoxes robustus (purple) compared in size to a human and other iguanodonts
Articulated sacrum of Zalmoxes
Skull of Zalmoxes shqiperorum

Ossified tendons are known from the juvenile specimen, showing that they were circular or elliptical in cross section and have fine striations in Z. shqiperorum.

Cleavage and division of the cell of an egg of a vertebrate (Remak, 1855).

Germ layer

Primary layer of cells that forms during embryonic development.

Primary layer of cells that forms during embryonic development.

Cleavage and division of the cell of an egg of a vertebrate (Remak, 1855).
Gastrulation of a diploblast: The formation of germ layers from a (1) blastula to a (2) gastrula. Some of the ectoderm cells (orange) move inward forming the endoderm (red).
The endoderm produces tissue within the lungs, thyroid, and pancreas.
The mesoderm aids in the production of cardiac muscle, skeletal muscle, smooth muscle, tissues within the kidneys, and red blood cells.
The ectoderm produces tissues within the epidermis, aids in the formation of neurons within the brain, and constructs melanocytes.
Micrograph of a teratoma, a tumour that characteristically has tissue from all three germ layers. The image shows tissue derived from the mesoderm (immature cartilage - left-upper corner of image), endoderm (gastrointestinal glands - center-bottom of image) and ectoderm (epidermis - right of image). H&E stain.

The mesoderm forms: muscle (smooth and striated), bone, cartilage, connective tissue, adipose tissue, circulatory system, lymphatic system, dermis, Dentine of teeth, genitourinary system, serous membranes, spleen and notochord.

Gilmoreosaurus

Name given to a genus of dinosaur from the Cretaceous of Asia.

Name given to a genus of dinosaur from the Cretaceous of Asia.

Heavily reconstructed skeleton meant to represent "Mandschurosaurus amurensis", to which the type species of the genus Gilmoreosaurus was initially assigned
Reconstructed Bactrosaurus skull at the Museum of Ancient Life; skull material of this taxon proved to be a cornerstone of debate involving Gilmoreosaurus
Charles W. Gilmore, who first described the species; when it received its own genus, the taxon was named after him
Jack Horner was among the palaeontologists debating the nature of the Iren Dabasu material in the late 20th century
Size compared to a 1.8 m tall human
Right maxilla of AMNH FARB 30653 (reversed) in lateral view. Maxillary foramina indicated by arrows
Predentary of AMNH FARB 6369 in bottom view
Maxillar tooth
Anterior and posterior dorsal vertebrae from AMNH FARB 30680-30683)
Right humerus (1) of AMNH FARB 30728 and left ulna (2) with radius (3) of AMNH FARB 30729
Right ilium of AMNH FARB 30736 in lateral view featuring the supraacetabular process
Tibia (2) of AMNH FARB 30742 and femur (3) of AMNH FARB 30741
Composite reconstruction of the right pes (several specimens)

Additionally, the articular lower surface of the radius is triangular and has striations.

Achillobator

Genus of large dromaeosaurid dinosaur that lived in Asia during the Late Cretaceous period about 96 million to 89 million years ago in what is now the Bayan Shireh Formation.

Genus of large dromaeosaurid dinosaur that lived in Asia during the Late Cretaceous period about 96 million to 89 million years ago in what is now the Bayan Shireh Formation.

Fossil localities in Mongolia. Achillobator fossils have been collected at Burkhant (area D)
Illustration of the pelvis
Size comparison of the holotype and an 1.8 m tall human
Life restoration
Diagram featuring the preserved tissue traces on femur and tibia
Many genera of the Dromaeosauridae
Comparison between giant dromaeosaurids including Achillobator
A leaping Deinonychus employing RPR on Zephyrosaurus
Achillobator compared to the known dinosaurs of the Bayan Shireh Formation (Achillobator in dark yellow, second from right)
Restoration of an Achillobator pack surrounding an adult Talarurus

On the anterior edge were microstriations that likely gave form to the m. iliofemoralis in life, behind to this area, traces of the m. ilio tibialis-2 were also present.

A top-down view of skeletal muscle

Extrafusal muscle fiber

Extrafusal muscle fibers are the standard skeletal muscle fibers that are innervated by alpha motor neurons and generate tension by contracting, thereby allowing for skeletal movement.

Extrafusal muscle fibers are the standard skeletal muscle fibers that are innervated by alpha motor neurons and generate tension by contracting, thereby allowing for skeletal movement.

A top-down view of skeletal muscle

They make up the large mass of skeletal striated muscle tissue and are attached to bone by fibrous tissue extensions (tendons).

King brown snake

Species of highly venomous snake of the family Elapidae, native to northern, western, and Central Australia.

Species of highly venomous snake of the family Elapidae, native to northern, western, and Central Australia.

King Brown Snake on roadside near Tibooburra.
Adult snake with prominent two-toned scales giving a reticulated pattern
King brown snake at the Armadale Reptile Centre

Its main effect is on striated muscle tissue, causing paralysis from muscle damage, and also commonly affects blood clotting (coagulopathy).