HUMAN HEAD ANATOMY

HUMAN HEAD ANATOMY :

Binocular Vision: Experiment

(a) Keep both eyes open and hold a pen or pencil upright at arm's length.

(b) fast move the pencil to come exactly in line with a more distant vertical object, such as a window frame or lamp-post.

(c) Close and open the left eye.

(d) Close and open the right eye.

(e) Note any change in the apparent position of the pencil and either it was the closure of the left or right eye which produced it.

(f) Which eye did you use in lining up the two objects?

Discussion

Although both eyes are kept open to line up the pencil and the distant object, only one eye, the dominant eye, is used to resolve the alignment. When this eye is closed, the pencil will appear to 'jump' sideways. It is closure of the dominant eye which produces the jump because, according to the eye now remaining open, the pencil and distant object are not in line. If the student is slow to line up the two objects he or she may be aware of a duplicate image of the near object. Nevertheless, the student is still likely to select the image from the dominant eye.

Awarness of Location of Stimuli. Experiment

(a) Place a glass marble on a non-slippery surface, e.g. On the page of an open notebook.

(b) Cross the first and second fingers of one hand and press on the marble with the tips of these fingers.

(c) Close your eyes and roll the marble firmly, forwards and backwards, side to side and then with a circular request for retrial for about 30 seconds.

(d) consideration any unusual impressions you receive from the fingers.

Discussion

1 The subjective impression should be as if there were two marbles with the fingers pressing
between the two.

2 The areas of the finger-tips employed, with the fingers not crossed, would normally be stimulated only by two surfaces separated in space.. The connections that exist in the middle of the receptors and the brain are, presumably, the foundation for this interpretation. When the two areas are stimulated simultaneously by the same object in the absence of optical evidence, the brain makes its usual interpretation, giving the sensation of two objects.

The results also show that we normally rely on facts from some sources for our
interpretations. If the branch watches the fingers and marble, it is far more difficult to elicit the impression of two objects.

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HUMAN HEAD ANATOMY :

Deer antlers are an incredibly captivating biological phenomenon. The shape of antlers range from very small sharp "spikes" to fantastical typical and non-typical racks. To good understand the parts of a deer antler, we will first eye some basic deer antler terminology, the disagreement in the middle of horns and antler then ensue up with the exact name for every part of the deer antler.

Antler Terms

Point: a corner on an antler that is at least one inch long.

Rack: refers to the set of antlers on a singular deer. All racks are divided into two classifications; typical or non-typical.

Typical: typical racks are those antlers that look like a a superior or "normal" rack. On a 10 point buck (a buck with a rack that has a total of ten points,) the buck would show five matched points on each side, and the location of these points would be in typical locations.

Non-typical: non-typical racks, by definition, are racks that do not look normal. They may exhibit unmatched points (for example 3 points on one side and 5 on the other,) they can have points growing off of other points or the points themselves may be abnormaly shaped.

Antlers vs. Horns

Horns are found on mountain goats, bighorn sheep, bison and other game. Horns, unlike antlers, grow all throughout an animals life. If they are lost or damaged for any reason, they cannot be replaced. The exterior of horns is made of a keratin, much like human finger nails. They are alive, in that they receive nutrients by blood vessels that are inside the horn.

Deer, like elk and moose, have antlers, not horns. Antlers, are not made of keratin, they are dead bone that grow out of the skull of the animal. Antlers tend to be much longer than horns, and have numerous branches. Deer grow every year and shed their antlers on a every year basis. Antler tissue is said to be fastest growing creature tissue known to man. Even the largest rack on a mature deer is grown in about three to four months!

Parts of a Deer Antler

Pedicle: The base of the deer's antler, where the antler bone meets the head of the deer.

Beam: The central stem of the antlers, from which all other points arise.

Brow Tine: The first branch or point off of the beam.

Bay Antler: The second branch (or point above the brow tine).

Royal Antler: The third branch on the antlers (or point above the bay antler).

Surroyal Antler: The fourth branch or point above the royal antler.

Fork: The end of deer's antlers, where the central beam divides in two.

Palm: The end of a deer's antlers where the central beam divides into any points, resembling the human hand.

Crown Tine: A tine growing at the very end of the deer's antler, the points above the fork or palm.

These terms should help you correctly identify and discuss the distinct parts of a deer antler.

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HUMAN HEAD ANATOMY :

We are going to give you some astounding facts about the human skeletal system; these facts will help you remember specific things in class and help riposte that one quiz, on your scantron or fill in the blank test!

So let's get started with some of the most astounding facts about the human body that can by all means; of course help you out beginning today!

First of all, let's start off with the fact that your body has 300 bones when you are born! However, this whole reduces because as you grow, your bones fuse together, and as an adult you end up with 206 bones. There is a big incompatibility isn't there!

As you probably already know, if you didn't have bones, you'd be floppy. There are two bones however, Some bones are specifically designed to have structure in your body such as the backbone, and it simultaneously protects your back and the nervous system. A protective bone would be one like the skull, as it obviously protects your brain from face injury and takes much of the force when there trauma to the head.

Your bones move because the muscles and joints allow them to. There are tons of distinct types of joints that do distinct things. Some joints allow transmit and back movement, lateral movement only, and others offer 360 degrees of movement.

What is Bone Marrow
The reckon why this gets it's own category is because bone marrow is no ifs ands or buts one of the more leading and astounding part of the bones. You see, many bones are no ifs ands or buts hollow, this makes the bone strong, and very light; inside the bone is where red blood cells and white blood cells are produced; so your bones make blood, and are requisite to the white blood cells, which of course helps with your immune system.

It's kind of astounding to think that blood comes from your bones right? Other moving facts is that humans have as many bones in their neck as giraffes, it's just giraffes have longer vertebrae, and contrary to favorite belief, 97% of organisms on this earth do not use bones or bone structure!

These are just some of the more astounding facts about your body!

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HUMAN HEAD ANATOMY :

Drawing fantasy creatures takes some skills that go beyond the normal realm of drawing because you can't find a branch to pose for you - unless you live in an enchanted forest! So you are faced with not only the task of studying how to draw you are also faced with the challenge of tapping into your imagination and then putting this down on paper. Here are some solid tips that will help you dream and draw great fantasy creatures.

How to Tap into your Imagination

1. Doodling and drawing with a free style is the best way to get your creativity and imagination flowing. The process to consequent is to simply draw quick sketches and then modify them as things start to appear. It goes something like this: Draw a roughly human shaped head then start to add a body to it but don't consciously make it a human body, vary your lines and see where it goes. You will be surprised by what happens. Your eye will start to see things in a dissimilar way and you will originate some fabulous creatures. These should only be quick sketches and you should draw lots of them - fill the sheet of paper and see where the drawings go. This is a great way to come up with the introductory idea for a new fantasy creature.
2. Changing the shape of existing creatures and animals - Many of the most familiar fantasy creatures are variations of familiar animals. A Unicorn is a difference of a horse and a Dragon is a difference of a Dinosaur. Think of other creatures and doodle their rough shape while mental up variations. What would a cat look like if it had scales instead of fur? Or how about a Giraffe with short legs?
3. The Power of Combining Animals - this is a very powerful way to originate new fantasy creatures and Greek Mythology is loaded with this kind of beast. A Centaur is half man and half horse; and a mermaid is half woman and half fish. The possibilities are endless and when you are doodling out ideas don't limit yourself to just upper and lower body combinations. Try combining limbs, torsos, heads, hands, feet or anything else that strikes you.
4. The creative power of distortion - Often times fantasy creatures are distortions of humans or other animals. Think of your drawing as a lump of clay that you can mold into any shape. Distort the arms, legs, torso, head or anything else. This will reap some great results. If you draw a human that is very skinny with an oversized head you are heading toward something goblin-like. And if you draw a human that is very thick and stocky you might be heading toward a Troll or Ogre.
5. Here are a concentrate of unusual ways to tap into your imagination and originate unusual fantasy creatures. Try development an unusual sound then try to draw the vertebrate or beast that would make that sound. Or write out a description in words for your beast then try to draw it. These two techniques bring other parts of your brain into the process not just your hand-eye coordination.

The Mechanics of How to Draw great Fantasy Creatures

1. Everything relates to human anatomy - If you convention drawing population you will get much great at drawing fantasy creatures. The same basic rules of musculature and skeletal understructure apply to all biological creatures - even made up ones. Remember: Skin or fur is something that covers muscles and bones but don't fully hide it. The bones and muscles show through. So draw more population and your fantasy creatures will improve.
2. Draw more existing creatures - Fantasy creatures are roughly all the time variations of creatures and animals that already exist. If you want to draw a dragon you should think about and look at pictures of dinosaurs and large lizards. If you want to draw a unicorn you should use a horse as your model. And there are many variations on the human form. If you want to draw a dwarf, an elf or a goblin you can use the human form as a excellent starting point. The prominent thing to remember is that the more horses you draw the great your unicorns will be and the more dinosaurs you draw the great your dragons will be. And the best thing about this is that you can positively find pictures of horses and dinosaurs to look at while you draw.
3. Use your drawing tools for more expression - When drawing a vertebrate you have to think of its disposition. Is it a diplomatic vertebrate or a mean creature? Use your pencil in a way that expresses this. Dark, bold and sharp lines are normally great when drawing angry or scary creatures and soft lines are normally great for gentle, mythical creatures. This is something that is often overlooked but it is very important. You are using your pencil in a way that goes beyond just drawing lines. And this applies to a whole spectrum of techniques along with short lines, long lines, choppy lines and even shading.
4. Don't hesitate to look at and copy other peoples work. Thought about seeing at other fantasy work will improve your work dramatically. When doing a copy you are forced to see things you wouldn't normally see and this is a great way to learn how to do it yourself. - Just don't claim the vertebrate as your own.
5. Keep a sketch and doodle book and work in it often. This is something that works real well for me because seeing over many pages of doodles you have done in the past will often inspire new ideas for drawings of creatures.

Drawing fantasy creatures is a piquant yet rewarding hobby. It has the dual benefit of improving your ability to draw while cultivating your creativity and imagination. With a bit of convention and an comprehension of these basic tips you will be drawing some fabulous fantasy creatures in no time at all.

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HUMAN HEAD ANATOMY :

When you first decided to study the human anatomy there must have been a reason. Perhaps you are planning on becoming a physician or Nurse, or some other type of condition care professional. in effect some citizen opt to study it just out of personal interest. Anyhow you were probably thinking that you will be learning the different systems, the organs and Perhaps some illnesses.

You probably didn't give much idea to the basics. For example, to be able to study properly, you will need to learn how to divide the body into parts. I don't mean the systems. When you have to learn about how something works, you must dissect it to see what its made of up. The same applies in human anatomy. Visualization is going to mean everything in your studies. By learning how to visualize the body in sections, will help you when it comes time for the study in the other areas. These sections are particularly leading when it comes to healing imaging.

When you come to this section of your learning, take a piece of blank paper, and draw it into four equal boxes. As you start with a section put a sketch , along with the facts for that singular section in one box. Now do the same in the next three. You will have 4 isolate blocks of information, but when you look at the paper as a whole it is the whole human anatomy. This is an exquisite way to start training your mind how to visualize.

You will probably then go on to learn about position and direction. What this means is what the relationship of one organ is to another. A neat way to learn this is to have the full body drawn on a piece of paper. As you learn the different positions and directions draw a box arrow on the diagram showing its direction. (a box arrow is a fat arrow that you can color in).

Lets take an example. Suppose you are given the terms, cranial, superior, rostra. What are these terms referring to? You probably got a hint from the word cranial, as it is a fairly common term. So what these terms mean is, they refer to a structure being closer to the head, or above someone else structure of the body. So draw a arrow pointing up from the top of the head. Color the arrow in, (now you can write the explanation in small writing, point form beside the arrow. Put a box colse to the writing and color it the same color as the arrow.

Lets do one more. You are given the term anterior, ventral. This means that the structure is more toward the front than someone else structure of the body. So draw a fat arrow on the chest pointing out. With a different color, fill in the arrow. Again in small letters write in the meaning, and put a box colse to the writing in the same color as the arrow.

Continue doing this for each of the terms and positions you will be learning. At the end you will have a condensed study sheet.

It must be pointed that when referring to these terms it is when the body is in the appropriate anatomical position, which is the body standing erect, limbs extended, palms of hands facing forward.

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HUMAN HEAD ANATOMY :

Every mans got one, but how many of us in fact know what goes on down there. I mean for something that we look at and use everyday and something that provides as with so much enjoyment and satisfaction most men know very small about how there reproductive system works.

You could write a whole book on how the male reproductive system works but we'll keep it simple.

Here is a list of main organs of the male reproductive system.

Prostate gland: Produces a fluid that makes up the semen. The prostate gland also squeezes shut the urethral duct to the bladder, thus preventing urine from mixing with the semen and disturbing the pH balance required by sperm.

Foreskin, prepuce: A roll of skin which covers the head of the penis in uncircumsized men.

Ejaculatory ducts: The path straight through the seminal glands which semen travels during ejaculation.

Corpa Cavernosa: The corpora cavernosa are the two spongy bodies of erectile tissue on whether side of the penis which come to be engorged with blood from arteries in the penis, thus causing erection.

Cowper's glands, bulbourethral gland: The Cowper's glands secrete a small number of pre-ejaculate fluid prior to orgasm. This fluid neutralizes the acidity within the urethra itself and assists in lubrication of the urethra to allow sperm to pass through..

Epididymis: The epididymis is a 'holding pen' surrounding the testes where sperm produced by the seminiferous tubules mature. The sperm wait here until ejaculation or nocturnal emission.

Glans: The glans is also known as the head of the penis. The glans in uncircumcised men is ordinarily covered by the prepuce. The glans is very sensitive, as is the corona, the ridge of flesh that connects the glans to the shaft of the penis.

Penis: The penis is the most safe bet organ of the male reproductive system. The median length of the human penis is about 6.5 inches and fills with blood to create an erection when the male is aroused. The erection lasts until the mans arousal subsides or until he ejaculates.

Scrotum: The scrotum is a sac that hangs behind and below the penis, and contains the testes, the male sexual glands. The scrotum's customary function is to avow the testes at roughly 34 C, the temperature at which the testes most effectively furnish sperm.

Seminal vesicles: The seminal vesicles furnish semen, a fluid that activates and protects the sperm after it has left the penis during ejaculation.

Testes, testicles: The male sexual glands, the two testes within the scrotum furnish sperm and testosterone. Within each testis is a kilometer of ducts called the seminiferous tubules, the organs which create sperm. Each testicle produces nearly 150 million sperm every 24 hours.

Urethra, meatus: The occasion at the tip of the penis to allow the duct of both urine and semen.

Vas deferens, ductus deferens: These two tubes are about 30 centimetres long and replacement sperm from the epididymis to the seminal vesicles. These are the ducts that are cut during the policy known as vasectomy.

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HUMAN HEAD ANATOMY :

In terms of learning aids there are many options, the most base being text books, lectures and online study notes. These are all good choices for getting a grip on the basics, but when it comes to learning human anatomy from head to toe, what's the smartest way?

With human anatomy being quite a involved subject, the smartest way to learn is through something called anatomy mnemonics (a principles of memorization techniques, or memory aids). What you may not know is that there are three main stages in the storehouse and retrieval of data when it comes to human memory - encoding (receiving, processing and combining of received information), storehouse (creation of a permanent report of the encoded information) and retrieval (recall). So how can we best use this principles to our benefit when learning anatomy?

One astonishing example of an anatomy mnemonic at work is as follows. To find the arrangement of nerve, artery and vein in the femoral triangle, all you need to do is learn and remember one easy word: Van. Why? Because the arrangement, from medial to lateral, goes like this: Vein, Artery, Nerve. V-A-N. Say this to yourself out loud once or twice (it's proven that your mind is more receptive to audio compared to reading) and quiz yourself tomorrow. That's mnemonics at work!

Mnemonics are the smart way to learn human anatomy. By using the psychologically proven formula found in anatomy mnemonics, you will almost beyond doubt be able to pass your next test at university, all without notes. Likewise, if you are a physician wishing to brush up on your knowledge, or merely someone who wants to study independently, anatomy mnemonics are a great choice. Using the findings of scientists and psychologists, mnemonics help you to retrieve stored knowledge in seconds.

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