AnatomyBox
Anatomy Repository
AnatomyBox
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biomedicalephemera:

Superficial muscles of the thorax and back
While all muscles in a region are affected by a workout, when anaerobic workouts are undertaken, the superficial muscles are the ones that form the majority of the bulk that you see in hardcore athletes and bodybuilders.
There are deep “flat” muscles beneath the superficial layers in these regions, and below and lateral to those, there are the “long” muscles. These are all skeletal muscles - voluntary and striated. Surrounding the muscles is connective tissue, including the linea alba (the dividing line between the two halves of the abdomen), the fascia, and the aponeuroses. All of these consist of dense, fibrous connective tissue, and protect the body from intrusion, as well as protecting the muscles from each other, as they flex and relax in different directions.Atlas and Text-Book of Human Anatomy. Dr. Johannes Sobotta, 1914
biomedicalephemera:

Superficial muscles of the thorax and back
While all muscles in a region are affected by a workout, when anaerobic workouts are undertaken, the superficial muscles are the ones that form the majority of the bulk that you see in hardcore athletes and bodybuilders.
There are deep “flat” muscles beneath the superficial layers in these regions, and below and lateral to those, there are the “long” muscles. These are all skeletal muscles - voluntary and striated. Surrounding the muscles is connective tissue, including the linea alba (the dividing line between the two halves of the abdomen), the fascia, and the aponeuroses. All of these consist of dense, fibrous connective tissue, and protect the body from intrusion, as well as protecting the muscles from each other, as they flex and relax in different directions.Atlas and Text-Book of Human Anatomy. Dr. Johannes Sobotta, 1914
biomedicalephemera:

Superficial muscles of the thorax and back
While all muscles in a region are affected by a workout, when anaerobic workouts are undertaken, the superficial muscles are the ones that form the majority of the bulk that you see in hardcore athletes and bodybuilders.
There are deep “flat” muscles beneath the superficial layers in these regions, and below and lateral to those, there are the “long” muscles. These are all skeletal muscles - voluntary and striated. Surrounding the muscles is connective tissue, including the linea alba (the dividing line between the two halves of the abdomen), the fascia, and the aponeuroses. All of these consist of dense, fibrous connective tissue, and protect the body from intrusion, as well as protecting the muscles from each other, as they flex and relax in different directions.Atlas and Text-Book of Human Anatomy. Dr. Johannes Sobotta, 1914
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bpod-mrc:

30 March 2014
Shock Waves
Cilia are tiny, hair-like projections that cover certain cell surfaces (amber). Present on most animal and plant cells, they can beat rhythmically in gentle waves to aid cell locomotion, remove debris and sense the surroundings. Defects in these small ‘sensors’ can lead to a wide range of problems including birth defects, infertility and recurrent respiratory infections. A gene called ARF4 was thought to be important for the proper formation and functioning of cilia. But scientists have now shown that mice developing without this gene form cilia perfectly – however, these mouse embryos die. So questions still remain regarding the formation and programming of normal cilia and new questions about developmental biology are raised. And the quest for new therapeutic approaches for those with ciliary diseases continues. It seems that science is a wave with peaks and troughs of understanding and pure confusion.
Written by Cara Foley
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Image courtesy of John Follit, Gregory Pazour and colleagues University of Massachusetts Medical SchoolOriginally published under a Creative Commons Licence (BY 4.0)Research published in PLOS Genetics, February 2014
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biomedicalephemera:

Top: Primary mammary blood vessels, deep tissue of nipple, outer nipple and areola
Bottom: Lymphatic supply to breast, vertical view of mammary duct exit, lactiferous ducts
The human breast is an odd organ, even among mammals. It is significantly developed even before pregnancy, while most mammals develop only the ductal regions (the nipple and its connecting supply) prior to parturition, and its variance between individuals can be massive, even while they all function equally well for supplying nutriment to our offspring.
The lactiferous ducts are the smallest units of the lactation (milk-supplying) system of the breast, and the epithelial cells within them extract the nutrients and liquid from the lymphatic and circulatory system when they’re triggered by the hormone prolactin, which is secreted both in response to labor and from suckling. Though the massive dose of prolactin from late-term pregnancy and giving birth is what kick-starts milk production, the suckling action is what keeps it going. In some humans (even some males), the prolactin secretion in response to sustained suckling is enough to begin producing milk, themselves.
Atlas d’Anatomie Descriptive du Corps Humain. C. Bonamy and Paul Broca, 1866.
biomedicalephemera:

Top: Primary mammary blood vessels, deep tissue of nipple, outer nipple and areola
Bottom: Lymphatic supply to breast, vertical view of mammary duct exit, lactiferous ducts
The human breast is an odd organ, even among mammals. It is significantly developed even before pregnancy, while most mammals develop only the ductal regions (the nipple and its connecting supply) prior to parturition, and its variance between individuals can be massive, even while they all function equally well for supplying nutriment to our offspring.
The lactiferous ducts are the smallest units of the lactation (milk-supplying) system of the breast, and the epithelial cells within them extract the nutrients and liquid from the lymphatic and circulatory system when they’re triggered by the hormone prolactin, which is secreted both in response to labor and from suckling. Though the massive dose of prolactin from late-term pregnancy and giving birth is what kick-starts milk production, the suckling action is what keeps it going. In some humans (even some males), the prolactin secretion in response to sustained suckling is enough to begin producing milk, themselves.
Atlas d’Anatomie Descriptive du Corps Humain. C. Bonamy and Paul Broca, 1866.
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radiologysigns:

A child with Ollier’s disease: a non-hereditary, sporadic, skeletal disorder characterised by multiple enchondromas. Later in life there is a high chance (up to 25%) of malignant transformation into chondrosarcoma.
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malformalady:

Lamellar keratoplasty
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radiologysigns:

Arachnoid cyst
 - a common benign CSF containing cyst within the arachnoid space. They are most common within the middle cranial fossa and may expand the Sylvian fissure. They follow CSF signal on all MRI sequences allowing differentiation from epidermoid cysts which show high DWI signal.
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compoundfractur:

Anatomy engraving from the Iconographic Encyclopaedia of Science, Literature, and Art by Johann Georg Heck.
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radiologysigns:

Recurrent UTI in a 3yo boy. Diagnosis? What grade? 

ANSWER: http://goo.gl/G2NrZF
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jewsee-medicalstudent:

Quadricuspid Aortic Valve.
These are the amazing cardiac MRI images of a middle-aged woman with hypertension and 3/6 systolic ejection murmur. The woman was diagnosed with the presence of a Quadricuspid Aortic Valve instead of a normal Aortic Valve with three leaflets .
The aortic valve lies between the left ventricle and the aorta. When the pressure in the left ventricle rises above the pressure in the aorta, the aortic valve opens, allowing blood to exit the left ventricle into the aorta. When the pressure in the left ventricle decreases, the aortic pressure forces the aortic valve to close. 
Bicuspid aortic valve is the most common aortic valve abnormality, occurring in 2% of the population, and in this condition, instead of three cusps, the aortic valve has two cusps. The next most frequent aortic valve abnormality is an unicuspid aortic valve. Historically, quadricuspid aortic valves have been considered rare, most cases discovered incidentally at the time of cardiac surgery or at autopsy.
(Images and clinical informations via VCU Medical Center).
jewsee-medicalstudent:

Quadricuspid Aortic Valve.
These are the amazing cardiac MRI images of a middle-aged woman with hypertension and 3/6 systolic ejection murmur. The woman was diagnosed with the presence of a Quadricuspid Aortic Valve instead of a normal Aortic Valve with three leaflets .
The aortic valve lies between the left ventricle and the aorta. When the pressure in the left ventricle rises above the pressure in the aorta, the aortic valve opens, allowing blood to exit the left ventricle into the aorta. When the pressure in the left ventricle decreases, the aortic pressure forces the aortic valve to close. 
Bicuspid aortic valve is the most common aortic valve abnormality, occurring in 2% of the population, and in this condition, instead of three cusps, the aortic valve has two cusps. The next most frequent aortic valve abnormality is an unicuspid aortic valve. Historically, quadricuspid aortic valves have been considered rare, most cases discovered incidentally at the time of cardiac surgery or at autopsy.
(Images and clinical informations via VCU Medical Center).
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hobnobbly:

MR image of conjoined twins shows fused thorax.