These cells line the Choroid Plexus, a layer of tissue that lines the inside of the ventricles of the nervous system.  The swollen tips of these cells secrete the cerebrospinal fluid which bathes the brain in glucose and proteins, and prevents it from collapsing under its own weight.

These line the Choroid Plexus, a layer of tissue that lines the inside of the ventricles of the The swollen tips of these cells secrete the cerebrospinal fluid which bathes the in glucose and proteins, and prevents it from collapsing under its own weight.

Nervous Tissue Description: Cells with cytoplasmic extensions  Function: Sensory reception and conduction of electrical impulses Location: Brain, spinal cord, and peripheral nerves

Nervous Tissue Description: Cells with cytoplasmic extensions Function: Sensory reception and conduction of electrical impulses Location: Brain, spinal cord, and peripheral nerves

Adipose cells or adipocytes are specialized connective tissue for the storage of fat. The large adipocytes are held in place by strands of c...

Adipose cells or adipocytes are specialized connective tissue for the storage of fat. The large adipocytes are held in place by strands of collagen fibers and a fine network of reticular fibers. A large capillary is seen near the cell surface.

Cancer migrating SEM. Cancer moving (Metastasising) through a hole in a support film.

Coloured SEM of a cultured cancer cell moving through a hole in a support film. Numerous pseudopodia, fillipodia and surface blebs can be seen and are characteristic of highly mobile cells which enable them to metastasise rapidly.

Muscle fibre, SEM (Scanning Electron Microscope). I changed my mind, I want to be a scientist and study EVERYTHING!

BE_Muscle fibre, SEM (Scanning Electron Microscope). I changed my mind, I want to be a scientist and study EVERYTHING!

이번 주의 최고 핀 | 받은메일함 | Daum 메일

Human Body Ingredients via imaginaryfoundation: 'The average human has approximately 100 trillion cells and each cell is made of approximately 100 trillion atoms, each of which were originally created in the center of a star.' Here it is by mass: http:/

Axones nerviosos - A cross section of a bundle of nerve fibers.  Axons (orange) are wrapped in myelin (purple); an extension of the membrane of glial cells.  Myelin has high lipid content, and acts to insulate the axons, causing them to transmit nerve impulses much faster.

A cross section of a bundle of nerve fibers. Axons (orange) are wrapped in myelin (purple); an extension of the membrane of glial cells. Myelin has high lipid content, and acts to insulate the axons, causing them to transmit nerve impulses much faster.

Sindrome Metabolico 20x26 Anatomy Poster

Sindrome Metabolico 20x26

Bone marrow, coloured scanning electron micrograph (SEM). This freeze-fracture has revealed the cavity (lumen) of a large venous sinus (pink), which contains mature blood cells (red), and developing white blood cells (blue). Either side of the sinus are the haemopoetic foci of the marrow (green). Magnification: x3000 when printed at 10 centimetres across | Steve Gschmeissner

Bone marrow revealing the cavity of a large venous sinus, which contains mature blood cells, and developing white blood cells. Either side of the sinus are the haemopoetic foci of the marrow.

A neuron from the hippocampus at 63-times magnification. There are approximately 100 billion neurons in the human brain. Image by Dr. Carlo Sala, CNR Institute of Neuroscience.

It's pretty awesome to see an actual neuron and be able to identify it's components A neuron from the hippocampus at magnification. There are approximately 100 billion neurons in the human brain. Image by Dr. Carlo Sala, CNR Institute of Neuroscience

The common cold virus mutates all the time to avoid detection. As can be seen in this picture, an infected cell ruptures releasing a stream of new viruses (in blue) into a healthy hosts body.

The Human Immune System like You Have Never Seen It Before

Very devious - The common cold virus, constantly mutates to avoid detection. Just how totally viruses can overcome a healthy host is seen when an infected human cell ruptures, releasing a stream of new viruses (blue) into the system.

SEM of sperm on egg during fertilization

D0386: SEM of sperm on egg during fertilization

In case you ever wondered what fertilization looks like up close: Colored Scanning Electron Micrograph (SEM) of sperm clustered on the surface of a human egg during fertilization

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