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A&P Lab
Lab J
77
Anatomy
Undergraduate 1
03/18/2019

Additional Anatomy Flashcards

 


 

Cards

Term
Cervical Plexus
Definition
C1, C2, C3, C4
Term
Brachial Plexus
Definition
C5, C6, C7, C8, T1
Term
Lumbar Plexus
Definition
T12, L1, L2, L3, L4
Term
Sacral Plexus
Definition
L5, S1-S4
Term
Phrenic N.
Definition
originates in the neck (C3-C5) and passes down between the lung and heart to reach the diaphragm
Cervical Plexus
Term
Radial N.
Definition
originates from the brachial plexus, carrying fibers from the ventral roots of spinal nerves C5, C6, C7, C8 & T1
provide motor innervation to the dorsal arm muscles
extrinsic extensors of the wrists and hands
Term
Median N
Definition
originates from the lateral and medial cords of the brachial plexus
anterior part of arm, forearm, and hand
Term
[image]
Definition
Radial N
Term
[image]
Definition
Median N
Term
Ulnar N
Definition
directly connected to the little finger, and the adjacent half of the ring finger, innervating the palmar aspect of these fingers, including both front and back of the tips
originates from the C8-T1 nerve roots
form part of the medial cord of the brachial plexus
Term
[image]
Definition
Ulnar N
Term
Femoral N
Definition
nerve in the thigh that supplies skin on the upper thigh and inner leg, and the muscles that extend the knee
the largest branch of the lumbar plexus
Term
[image]
Definition
Femoral N
Term
Saphenous N
Definition
part of the lumbar plexus
branch of femoral nerve that goes to the lower leg and ankle
sensory nerve
Term
[image]
Definition
Saphenous N
Term
Sciatic N
Definition
contains fibers from both the anterior and posterior divisions of the lumbosacral plexus
formed from the L4 to S3 segments
the largest nerve in the human body
supplies sensation to the skin of the foot, as well as the entire lower leg (except for its inner side
Term
[image]
Definition
Sciatic N
Term
Tibial N
Definition
the larger terminal branch of the sciatic nerve
Innervates the skin of the posterolateral side of the leg, lateral side of the foot, and the sole of the foot
part of the sacral plexus
Term
[image]
Definition
Tibial N
Term
Common Fibular N
Definition
a nerve in the lower leg that provides sensation over the posterolateral part of the leg and the knee joint
the smaller terminal branch of the sciatic nerve
also called the common peroneal nerve
Term
[image] Yellow
Definition
Common Fibular N
Term
Superficial Fibular N
Definition
the main nerve of the lateral compartment of the leg
Term
[image] Blue
Definition
Superficial Fibular N
Term
Deep Fibular N
Definition
the nerve of the anterior compartment of the leg and the dorsum of the foot
one of the terminal branches of the common peroneal nerve
Term
[image] Green
Definition
Deep Fibular N
Term
Sympathetic Trunk and Ganglia
Definition
a paired bundle of nerve fibers that run from the base of the skull to the coccyx
It allows nerve fibres to travel to spinal nerves that are superior and inferior to the one in which they originated
Term
[image]
Definition
Sympathetic Trunk and Ganglion
Term
Vagus N
Definition
interfaces with parasympathetic control of the heart, lungs, and digestive tract
Term
[image]
Definition
Vagus N
Term
[image]
Definition
Extrinsic Eye Muscles
Term
[image] 10
Definition
sclera
Term
Extrinsic Eye Muscles Function
Definition
move the eye
Term
Sclera Description and Function
Definition
outer pink/red; to protect and support the eye and maintain its shape
Term
[image] 9
Definition
Choroid Layer
Term
Choroid Layer Description and Function
Definition
vascular layer containing blood vessels that nourishes the eye wall
Term
[image] 11
Definition
Retina
Term
Retina Description and Function
Definition
contains rods and cones that are sensitive to light and converts the light stimulation to nerve impulses
Term
[image] 5
Definition
Cornea
Term
Cornea Description and Function
Definition
front, clear area; functions to protect the front of the eye and bend light for focusing
Term
[image] 8
Definition
ciliary body
Term
Ciliary Body Description and Function
Definition
purple ridges with black underneath them; contains muscles that pull on the lens to change its shape for focusing
Term
[image] 7
Definition
Iris
Term
Iris Description and Function
Definition
contains muscles that contract and relax to change the diameter of the pupil; variable in color
Term
[image] 6
Definition
Pupil
Term
Pupil Description and Function
Definition
opening in the middle of the iris through which light passes to enter the eye
Term
[image] 1
Definition
Lens
Term
Lens Description and Function
Definition
changes shape for focusing on objects closer than 20 feet
Term
[image] 4
Definition
Anterior Cavity
Term
Anterior Cavity Description and Function
Definition
space between cornea and lens which contains the Aqueous Humor
Term
[image] 3
Definition
Posterior Cavity
Term
Posterior Cavity Description and Function
Definition
space behind the lens that contains the vitreous humor
Term
Vitreous Humor Function
Definition
help maintain the shape of the eye
Term
[image] 13
Definition
Optic Disc
Term
Optic Disc Description and Function
Definition
"blind spot"; point at which the optic nerve leaves the back of the eye; no light sensitive cells or rods/cones are at this location
Term
[image] 12
Definition
Fovea Centralis
Term
Fovea Centralis Description and Function
Definition
red depression; point of sharpest vision; image falls on this spot when looking directly at an object; has the highest concentration of cones for very detailed color vision
Term
[image] 14
Definition
Optic Nerve
Term
Optic Nerve Description and Function
Definition
comes off the back of the eye; carries nerve impulses to the brain
Term
Tapetum Lucidum
Definition
not found in humans; iridescent layer, which functions to provide the light sensitive retinal cells which a second opportunity for stimulation, thereby enhancing visual sensitivity in low light situations
Term
[image]
Definition
tapetum lucidum
Term
[image] A
Definition
Pinna or Auricle
Term
[image] O
Definition
External Auditory Canal
Term
[image] C, D, E
Definition
Ear Ossicles (Malleus, Incus, Stapes)
Term
[image] N
Definition
Eustachian Tube
Term
[image] J
Definition
Oval Window
Term
[image] K
Definition
Round Window
Term
[image] B
Definition
Semicircular Canals
Term
[image] H
Definition
Cochlea
Term
[image] G
Definition
Vestibular Branch of the Vestibulocochlear N
carries equilibrium impulses
Term
[image] F
Definition
Cochlear Branch of the Vestibulocochlear N
carries auditory impulses
Term
[image] E
Definition
Scala Vestibuli
Term
[image] F
Definition
Vestibular Membrane
Term
[image] D
Definition
Cochlear Duct
Term
[image] A
Definition
Basilar Membrane
Term
[image] B
Definition
Organ of Corti
Term
[image] C
Definition
Tectorial Membrane
Term
[image] G
Definition
Scala Tympani
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