Chapter 2: Surface Anatomy Part 1 Flashcards
what region includes the forehead and area above the eyes?
frontal region
where is the supraorbital ridge located?
inferior to each eyebrow
what is the smooth elevated area between the eyebrows termed?
glabella
in what gender and age is the frontal eminence more prominent in contrast with the supraorbital ridge?
children and adult females; frontal eminence; adult males- supraorbital ridge
name the two head regions that are covered by the scalp:
- parietal region
2. occipital region
what head region contains the temple?
temporal region
what head region contains the external ear?
auricular region
what is the oval flap of the external ear termed and what does it collect?
auricle; collect sound waves
through what tube are sound waves transmitted?
external acoustic meatus
what is the superior and posterior free margin of the auricle termed and where is it usually located?
helix; ends inferior at the lobule; upper apex of helix usually level at eyebrows and the glabella
what part of the auricle is found anterior to the external acoustic meatus ?
tragus
what part of the auricle is found posterior to the external acoustic meatus?
antitragus
in what facial region are the eyeball and all its supporting structures located?
orbital region
what is the bony socket of the eyeball termed?
orbit
what is the usual location of the eyes in relationship to the vertical height of the head, as well as the eyes usual widths?
midpoint; width is the same distance between the eyes
the white area of the eye is termed?
sclera
what is the central area of coloration of the eye termed?
iris
what is the opening in the center of the area of coloration termed and how does it respond to light?
pupil; appears black and change size as the iris responds to changing light condition.
what structures covers and protects each eyeball?
upper and lower eyelids
where are the lacrimal glands located and what do they produce?
behind each upper eyelid and deep with in orbit; lacrimal fluid or tears
the delicate and thin membrane lining the inside of the eyelids and the front of the eyeballs is termed?
conjuntiva
the inner and outer corners of the eyes are termed?
inner is medial canthus; outer is lateral canthus
where is the root of the nose located?
between the eyes
what is the midpoint landmark of the nasa region and what bony structure is located inferior to it?
nasion
why is the apex of the nose flexible?
because it is formed from cartilage
what is another term for nostril?
naris
what midline structure separates the nostrils?
nasal septum
what are the winglike cartilaginous structures located laterally to the nostrils termed and what is their width in relationship to the eyes or the space between the eyes?
ala; same width as one eye or space between the eyes
the facial region the overlies the cheekbone is termed?
zygomatic region
what region contains the soft tissue of the cheek and in what part of the face is it located in relationship to the nose, mouth and ear?
buccal region; cheek forms the side of the face and its broad area.
what muscle is used when a patient clenches his or her teeth together?
masseter muscle
what part of lower jaw is inferior to the earlobe?
angle of the mandible
what is the term used when describing the division of the face into thirds?
vertical dimension of the face
what is the darker appearance of the surrounding skin of the lips termed and what is its width in relationship to eyes?
vermilion border; ____
what is the transition zone that outlines the lips?
mucocutaneous junction
what is the vertical groove on the skin superior to the midline of the upper lip termed and what is inferior to it on the termination of the midline of the upper lip?
philtrum
what groove on the facial surface separates the lower lip from the chin in the mental region?
nasolabial sulcus
the inside of the mouth is termed?
oral cavity
the upper jaw is termed?
maxilla
the lower jaw is termed?
mandible
structures closest to the tongue are termed?
lingual
structures closes to the palate are termed?
palatal
structures closest to the inner cheek are termed?
buccal
what membranes lines the oral cavity?
oral mucosa
what lines each of the lips?
oral mucosa
what is the specific membrane lining of the inner cheek and what does it cover?
buccal mucosa; dense pad of inner tissue
on the inner cheek, what is the elevated tissue and what does it contain?
parotid papilla
what are the upper and lower spaces between the cheeks, lips, and gums termed?
vestibules
deep within each space between the cheeks, lips, gums, what is term for the tissue lining it and what is its transition zone?
vestibular fornix; buccal mucosa meets alveolar mucosa
what fold of tissue is located at the midline between the membrane lining the lips?
labial frenum
the gums in general are termed?
gingiva
the gum tissue tightly adhered to the bone around the roots of the teeth is termed?
attached gingiva
the line of demarcation between the firmer and pinker attached tissue and the deeper and redder movable tissue is termed?
mucogingival junction
the tissue along the margin of the gums is termed?
marginal gingiva
the inner surface or space between the tooth and gums is termed?
gingival sulcus
what is the tissue between the teeth termed and what tissue is it an extension of?
interdental gingiva; ???
