Lab Quiz 2 Flashcards
what are the layers of the epidermis?
1) stratum basale
2) stratum spinosum
3) stratuum granulosum
4) stratum lucidum
5) stratum corneum
what are the 3 main patterns on out fingers?
1) loop
2) arches
3) whorls
what are examples of sutures?
skull
what is an example of syndesmosis?
between radius and ulna, ligament attached bone together
what is an example of gomphosis?
in between teeth/ peridontal
what is an example of synchondrosis?
rib cage
what is an example of symphysis?
cartilage pads between vertebrae
what is an example of gliding joints?
carpals/tarsals
what is an example of hinge joints?
elbow/knee
what is an example of pivot joints?
atlas around dens od axis
what is an example of ellipsoidal joints?
metacarpals/ metatarsals
what is an example of saddle joints?
base of thumb
what is an example of ball & socket joints?
shoulder
what are the three layers of the eye?
1) fibrous tunic
2) vascular tunic
3) retina
what composes the fibrous tunic?
1) sclera
2) cornea
what is the function of the sclera?
- Gives shape to eyeball
- Protects inner parts
what is the function of the cornea?
covers the iris
principle refractive medium of eye
what comrises the vascular tunic?
- choroid
- ciliary body
- suspensary ligaments
- iris
- pupil
- lens
what is the function for choroid?
Nourishes retina
Pigment absorbs light rays so they do not bounce around in the eye
what is the function of ciliary body?
Alters shape of lens (through ciliary muscle)
allows eyes to focus on an object
what is the function of suspensary ligaments?
attach lens to ciliary body
what is the function of the iris?
alters pupil size
what is the function of pupil?
determines amount of light that passes
what is the function of lens?
Focuses light rays on retina for image formation
what comrpises the retina/ inner eye layer?
- retina
- ora serrata
- optic nerve endings
- optic disk
- fovea
- macula lutea
what is the function of the retina?
role in image formation
what is the function of macula lutea?
Point of highest image formation
what is the function of optic disk?
blind spot
what is the ora serrata?
scalloped edge that retina ends anteriorly at border with ciliary body
what is the fovea?
depression in macula lutea
what is the function optic nerve?
nerve that runs to brain to form image
what are the 3 parts of the ear?
outer
middle
inner