vocab quiz 4 (8-10)

Question 1

striated

Answer 1

striped, grooved, or ridged.?

Question 2

myo

Answer 2

muscle

Question 3

muscle origin

Answer 3

where muscle begins… Immovable

Question 4

muscle insertion

Answer 4

where muscle ends

Question 5

muscle action

Answer 5

muscle contracts to produce a certain action

Question 6

antagonist

Answer 6

muscles whose actions oppose the movement produced by another muscle

Question 7

quad-

Answer 7

4

Question 8

tri-

Answer 8

3

Question 9

bi-

Answer 9

2

Question 10

oblique

Answer 10

slanted. not parallel or perpendicular.

Question 11

rectus

Answer 11

straight muscles

Question 12

rhomboid

Answer 12

muscle on back, covered by trapezius

Question 13

agonist

Answer 13

muscle whose contraction is chiefly responsible for producing a particular movement

Question 14

-ceps

Answer 14

heads (biceps)

Question 15

sulcus/fissure

Answer 15

depression or groove in the cerebral cortex. gives brain its look. divides the brain into lobes.

Question 16

gyrus

Answer 16

ridge on the cerebral cortex. usually surrounded by one or more sulci.

Question 17

convolutions

Answer 17

a convex fold or coiled part of the brain

Question 18

hemisphere

Answer 18

formed by two left and right cerebral hemispheres that are separated by a groove, the medial longitudinal fissure. each of these hemispheres has an outer layer of grey matter, the cerebral cortex, that is supported by an inner layer of white matter.

Question 19

chiasma

Answer 19

optic chiasma is the part of the brain where the optic nerves (CN II) partially cross. The optic chiasm is located at the bottom of the brain immediately below the hypothalamus

Question 20

ventricle

Answer 20

There are four cavities in the brain, called ventricles. The ventricles are filled with cerebrospinal fluid (CSF),

Question 21

sinus

Answer 21

cavity within a bone or tissue. there are some in the brain/head

Question 22

ampulla

Answer 22

a sac-like enlargement of a canal or duct. The ampulla of Vater is the enlargement of the ducts from the liver and pancreas at the point where they enter the small intestine. theres one also in the ear that helps with orientation

Question 23

extrinsic

Answer 23

having its origin some distance from the part that it moves. muscles that can move the eye.

Question 24

intrinsic

Answer 24

contained wholly within the organ on which it acts. belonging to or lying within a given part.

Question 25

labyrinth

Answer 25

bony labyrinth, a hollow cavity in the temporal bone of the skull with a system of passages comprising two main functional parts: cochlea for hearing and then also sound.

Question 26

soma

Answer 26

the cell body

Question 27

plexus

Answer 27

A structure in the form of a network, especially of nerves, blood vessels, or lymphatics:

Question 28

medulla

Answer 28

The medulla oblongata is the lower half of the brainstem, which is continuous with the spinal cord; the upper half being the pons.

Question 29

cortex

Answer 29

the outer layer of the cerebrum (the cerebral cortex ), composed of folded gray matter and playing an important role in consciousness.

Question 30

vitreous

Answer 30

The vitreous is a thick, transparent substance that fills the center of the eye. It is composed mainly of water and comprises about 2/3 of the eye’s volume, giving it form and shape. The viscous properties of the vitreous allow the eye to return to its normal shape if compressed.

Question 31

vestibule

Answer 31

A body cavity, chamber, or channel that leads to or is an entrance to another body cavity.
The vestibule is the central part of the osseous labyrinth, and is situated medial to the tympanic cavity, behind the cochlea, and in front of the semicircular canals.

Question 32

semicircular

Answer 32

semicircular canal/duct is one of three semicircular, interconnected tubes located inside each ear.