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Spinal cord. Coloured scanning electron micrograph (SEM) of a cross section through a spinal cord.

Spinal cord. Coloured scanning electron micrograph (SEM) of a cross section through a spinal cord.

Cross-section of the esophagus showing, from the central region outward, the lumen, mucosa, submucosa, a muscularis externa, and a thin adventia or serosa. SEM X60

Cross-section of the esophagus showing, from the central region outward, the lumen, mucosa, submucosa, a muscularis externa, and a thin adventia or serosa. SEM X60

Cross section of the uterus. Part of the female reproductive system, the uterus is a tubular structure containing a central cavity surrounded by layers of epithelium, connective tissue, and smooth muscle. SEM X50 **On Page Credit Required**

Cross section of the uterus. Part of the female reproductive system, the uterus is a tubular structure containing a central cavity surrounded by layers of epithelium, connective tissue, and smooth muscle. SEM X50 **On Page Credit Required**

Blood vessels of the human brain shown via Magnetic Resonance Angiography at 7T #MRI Image by Dr. Jon Polimeni, #MGH

Blood vessels of the human brain shown via Magnetic Resonance Angiography at 7T #MRI Image by Dr. Jon Polimeni, #MGH

A 3D reconstructed CT view of the kidneys and ureters, which connect the kidneys to the bladder. Part of the ribs, spine and pelvis are included in this image.

A 3D reconstructed CT view of the kidneys and ureters, which connect the kidneys to the bladder. Part of the ribs, spine and pelvis are included in this image.

Magnetic Resonance Angiogram of the Brain   Magnetic resonance angiography (MRA) is a group of techniques based on magnetic resonance imaging (MRI) to image blood vessels. Magnetic resonance angiography is used to generate images of the arteries in order to evaluate them for stenosis (abnormal narrowing), occlusion or aneurysms (vessel wall dilation that is at risk of rupture).

Magnetic Resonance Angiogram of the Brain Magnetic resonance angiography (MRA) is a group of techniques based on magnetic resonance imaging (MRI) to image blood vessels. Magnetic resonance angiography is used to generate images of the arteries in order to evaluate them for stenosis (abnormal narrowing), occlusion or aneurysms (vessel wall dilation that is at risk of rupture).

Axial Skeleton (Skull)

Axial Skeleton (Skull)