Forehead: Difference between revisions
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In [[physiognomy]] and [[phrenology]], the shape of the forehead was taken to symbolise intellect and intelligence. "Animals, even the most intelligent of them,", wrote Samuel R. Wells in 1942, "can hardly be said to have any forehead at all, and in natural total idiots it is very diminished".<ref>{{cite book|title=New Physiognomy Or Signs of Character as Manifested Through Temperament and External Forms and Especially in the Human Face Divine|author=Samuel R. Wells|edition=reprint|publisher=Kessinger Publishing|date=1998|isbn=0766103579|isbn13=9780766103573|chapter=The Forehead|pages=260}}</ref> |
In [[physiognomy]] and [[phrenology]], the shape of the forehead was taken to symbolise intellect and intelligence. "Animals, even the most intelligent of them,", wrote Samuel R. Wells in 1942, "can hardly be said to have any forehead at all, and in natural total idiots it is very diminished".<ref>{{cite book|title=New Physiognomy Or Signs of Character as Manifested Through Temperament and External Forms and Especially in the Human Face Divine|author=Samuel R. Wells|edition=reprint|publisher=Kessinger Publishing|date=1998|isbn=0766103579|isbn13=9780766103573|chapter=The Forehead|pages=260}}</ref> |
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[[pseudo-Aristotle]], in ''[[Physiognomica]]'', stated that the forehead is governed by [[Mars (mythology)|Mars]].<ref name=Aristotle>{{cite book|title=The Works of Aristotle|author=Aristotle|editor=William Salmon|pages=71|location=New England|date=1828}}</ref> A low and little forehead denoted magnanimity, boldness, and confidence; a fleshy and wrinkle-free forehead, litigiousness, vanity, deceit, and contentiousness; a sharp forehead, weakness and fickleness; a wrinkled forehead, great spirit and wit yet poor fortune; a round forehead, virtue and good understanding; a full large forehead, boldness, malice, boundary issues, and high spirit; and a long high forehead, honesty, weakness, simplicity, and poor fortune. |
[[pseudo-Aristotle]], in ''[[Physiognomica]]'', stated that the forehead is governed by [[Mars (mythology)|Mars]].<ref name=Aristotle>{{cite book|title=The Works of Aristotle|author=Aristotle|editor=William Salmon|pages=71|location=New England|date=1828}}</ref> A low and little forehead denoted magnanimity, boldness, and confidence; a fleshy and wrinkle-free forehead, litigiousness, vanity, deceit, and contentiousness; a sharp forehead, weakness and fickleness; a wrinkled forehead, great spirit and wit yet poor fortune; a round forehead, virtue and good understanding; a full large forehead, boldness, malice, boundary issues, and high spirit; and a long high forehead, honesty, weakness, simplicity, and poor fortune. |
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== Expressions == |
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The muscles of the forehead help to form facial expressions. There are four basic motions, which can occur individually or in combination to form different expressions. The Occipitofrontalis muscles can raise the eyebrows, either together or singly, forming expressions of surprise and quizzicality. The Corrugator supercilii muscles can pull the eyebrows inwards and down, forming a frown. The Procerus muscles can pull down the centre portions of the eyebrows.<ref name=PalastangaFieldSoames>{{cite book|pages=645–646|title=Anatomy and human movement|author=Nigel Palastanga, Derek Field, and Roger Soames|edition=5th|publisher=Elsevier Health Sciences|date=2006|isbn=0750688149|isbn13=9780750688147|chapter=Head and Brain}}</ref> |
The muscles of the forehead help to form facial expressions. There are four basic motions, which can occur individually or in combination to form different expressions. The Occipitofrontalis muscles can raise the eyebrows, either together or singly, forming expressions of surprise and quizzicality. The Corrugator supercilii muscles can pull the eyebrows inwards and down, forming a frown. The Procerus muscles can pull down the centre portions of the eyebrows.<ref name=PalastangaFieldSoames>{{cite book|pages=645–646|title=Anatomy and human movement|author=Nigel Palastanga, Derek Field, and Roger Soames|edition=5th|publisher=Elsevier Health Sciences|date=2006|isbn=0750688149|isbn13=9780750688147|chapter=Head and Brain}}</ref> |
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Revision as of 16:34, 18 February 2010
| Forehead | |
|---|---|
 | |
| Details | |
| System | Unknown, none |
| Artery | supraorbital, supratrochlear |
| Vein | supraorbital, frontal |
| Nerve | trigeminal, facial |
| Identifiers | |
| Latin | sinciput |
| MeSH | D005546 |
| TA98 | A01.1.00.002 A02.1.00.013 |
| TA2 | 101 |
| FMA | 63864 |
| Anatomical terminology | |
In human anatomy, the forehead is the fore part of the head. It is, formally, an area of the head bounded by three features, two of the skull and one of the scalp. The top of the forehead is marked by the hairline, the edge of the area where hair on the scalp grows. The bottom of the forehead is marked by the supraorbital ridge, the bone feature of the skull above the eyes. The two sides of the forehead are marked by the temporal ridge, a bone feature that links the supraorbital ridge to the coronal suture line and beyond.[1][2]
Anatomy
The forehead comprises, and the musculature and skin of the forehead lies above, the portion of the frontal bone of the skull that is known as the squama frontalis, the plate-like portion of the frontal bone.[3][4]
The sensory nerves of the forehead connect to the ophthalmic branch of the trigeminal nerve and the cervical plexus, and lie within the subcutaneous fat. The motor nerves of the forehead connect to the facial nerve.[2]
The musculature of the forehead comprises the Occipitofrontalis, Procerus, and Corrugator supercilii muscles, all of which are controlled by the temporal branch of the facial nerve.[2]
Blood supply to the forehead is via the left and right superorbital, supertrochealar, and anterior branches of the temporal artery.[2]
The ophthalmic branch of the trigeminal nerve, the supraorbital nerve, divides at the orbital rim into two parts in the forehead. One part, the superficial division, runs over the surface of the Occipitofrontalis muscle. This provides sensation for the skin of the forehead, and for the front (anterior) edge of the scalp. The other part, the deep division, runs into the Occipitofrontalis muscle and provides frontoparietal sensation.[1]
Physiognomy
In physiognomy and phrenology, the shape of the forehead was taken to symbolise intellect and intelligence. "Animals, even the most intelligent of them,", wrote Samuel R. Wells in 1942, "can hardly be said to have any forehead at all, and in natural total idiots it is very diminished".[5]
pseudo-Aristotle, in Physiognomica, stated that the forehead is governed by Mars.[6] A low and little forehead denoted magnanimity, boldness, and confidence; a fleshy and wrinkle-free forehead, litigiousness, vanity, deceit, and contentiousness; a sharp forehead, weakness and fickleness; a wrinkled forehead, great spirit and wit yet poor fortune; a round forehead, virtue and good understanding; a full large forehead, boldness, malice, boundary issues, and high spirit; and a long high forehead, honesty, weakness, simplicity, and poor fortune.
Expressions
The muscles of the forehead help to form facial expressions. There are four basic motions, which can occur individually or in combination to form different expressions. The Occipitofrontalis muscles can raise the eyebrows, either together or singly, forming expressions of surprise and quizzicality. The Corrugator supercilii muscles can pull the eyebrows inwards and down, forming a frown. The Procerus muscles can pull down the centre portions of the eyebrows.[7]
Wrinkles
The movements of the muscles in the forehead produce characteristic wrinkles in the skin. The Occipitofrontalis muscles produce the transverse wrinkles across the width of the forehead, and the Corrugator supercilii muscles produce vertical wrinkles between the eyebrows above the nose. The Procerus muscles cause the nose to wrinkle.[7]
See also
References
- ^ a b David M. Knize and Mel Drisko (2001). The Forehead and Temporal Fossa: Anatomy and Technique. Lippincott Williams & Wilkins. p. 4. ISBN 0781720745.
{{cite book}}: Unknown parameter|isnb13=ignored (help) - ^ a b c d Valencia D. Thomas, Wendy Long Mitchell, Neil A. Swanson, Thomas E. Rohrer, and Ken K. Lee (2007). "Reconstructive surgery of Skin Cancer defects". In Keyvan Nouri (ed.). Skin Cancer. McGraw-Hill Professional. p. 523. ISBN 0071472568.
{{cite book}}: Unknown parameter|isbn13=ignored (help)CS1 maint: multiple names: authors list (link) - ^ Diane H. Gronefeld (1998). Radiographic anatomy & positioning: an integrated approach. McGraw-Hill Professional. p. 321. ISBN 0838582389.
{{cite book}}: Unknown parameter|isbn13=ignored (help) - ^ Elaine Nicpon Marieb and Katja Hoehn (2007). Human anatomy & physiology (7th ed.). Pearson Education. p. 204. ISBN 0321372948.
{{cite book}}: Unknown parameter|isbn13=ignored (help) - ^ Samuel R. Wells (1998). "The Forehead". New Physiognomy Or Signs of Character as Manifested Through Temperament and External Forms and Especially in the Human Face Divine (reprint ed.). Kessinger Publishing. p. 260. ISBN 0766103579.
{{cite book}}: Unknown parameter|isbn13=ignored (help) - ^ Aristotle (1828). William Salmon (ed.). The Works of Aristotle. New England. p. 71.
- ^ a b Nigel Palastanga, Derek Field, and Roger Soames (2006). "Head and Brain". Anatomy and human movement (5th ed.). Elsevier Health Sciences. pp. 645–646. ISBN 0750688149.
{{cite book}}: Unknown parameter|isbn13=ignored (help)CS1 maint: multiple names: authors list (link)
External links
Media related to Forehead at Wikimedia Commons- Template:EMedicineDictionary
