Chapter 1 Flashcards

1
Q

Abdominopelvic Cavity

A

Division of the anterior (Ventral) cavity that houses the abdominal and pelvic viscera

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2
Q

Anabolism

A

Assembly of more complex molecules from simpler molecules

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3
Q

Anatomical Position

A

Standard reference position used for describing locations and directions on the human body

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4
Q

Anatomy

A

Science that studies the form and composition of the body’s structures

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5
Q

Anterior Cavity

A

The larger body cavity located anterior to the posterior (dorsal) body cavity; includes the serous membranelined pleural cavities for the lungs, pericardial cavity for the heart, and peritoneal cavity for the abdominal and pelvic organs; also refered to as ventral cavity

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6
Q

Anterior

A

Describes the front or direction toward the front of the body; also refered to as ventral

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7
Q

Catabolism

A

Breaking down of more complex molecules into simpler molecules

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8
Q

Caudal

A

Describes a position below or lower than another part of the body proper; near or toward the tail (in humans, the coccyx, or lowest part of the spinal column); also referred to as inferior

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9
Q

Cell

A

Smallest independently functioning unit of all organisms; in animals, a cell contains cytoplasm, composed of fluid and organelles

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10
Q

Control Center

A

Compares values to their normal range; deviations cause the activation of an effector

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11
Q

Cranial Cavity

A

Division of the posterior (dorsal) cavity that houses the brain

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12
Q

Cranial

A

Describes a position above or higher than another part of the body proper; also referes to as superior

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13
Q

Deep

A

Describes a position farther from the surface of the body

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14
Q

Development

A

Changes an organism goes through during its life

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15
Q

Differentiation

A

Process by which unspecialized cells become specialized in structure and function

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16
Q

Distal

A

Describes a position farther from the point of attachment or the trunk of the body

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17
Q

Dorsal Cavity

A

Posterior body cavity that houses the brain and spinal cord; aslo referred to the posterior body cavity

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18
Q

Dorsal

A

Describes the back or direction toward the back of the body; also referred to as posterior

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19
Q

Effector

A

Organ that can cause a change in a value

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20
Q

Frontal Plane

A

Two-dimensional, vertical plane that divides the body or organ into anterior and posterior portions

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21
Q

Gross Anatomy

A

Study of the larger structures of the body, typically with the unaided eye; also referred to macroscopic anatomy

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22
Q

Growth

A

Process of increasing in size

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23
Q

Homeostasis

A

Steady state of body systems that living organisms maintain

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24
Q

Lateral

A

Describes the side or direction toward the side of the body

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25
Inferior
Describes a position below or lower than another part of the body proper; near or toward the tail (in humans, the coccyx, or lowest part of the spinal column); also referred to as caudal
26
Medial
Describes the middle or direction toward the middle of the body
27
Metabolism
Sum of all the bodys chemical reasctions
28
Microscopic Anatomy
Study of very small structures of the body using magnification
29
Negative Feedback
Homeostatic mechanism that tends to stabilize an upset in the bodys physiological condition by preventing an excessive response to a stimulus, typically as the stimulus is removed
30
Normal Range
Range of values around the set point that do not cause a reaction by the control center
31
Nutrient
Chemical obtained from foods and beverages that is critical to human survival
32
Organ System
Group of organs that work together to carry out a particular function
33
Organism
Living being that has a cellular structure and that can independently perform all physiologic functions necessary for life
34
Organ
Functinally disctinct structure composed of two or more types of tissues
35
Pericardium
Sac that encloses the heart
36
Peritoneum
Serous membrane that lines the adbominopelvic cavity and covers the organs found there
37
Physiology
Science that studies the chemistry, biochemistry, and physics of the body's functions
38
Plane
Imagianary two-dimensional surface that passes through the body
39
Pleura
Serous membrane that lines the pleural cavity and covers the lungs
40
Positive feedback
mechanism that intensifies a change in the body's physiological condition in response to a stimulus
41
Posterior Cavity
Posterior body cavity that houses the brain and spinal cord; also referred to as dorsal cavity
42
Posterior
Describes the back or direction toward the back of the body; also referred to as dorsal
43
Pressure
Force exerted by a substance in contact with another substance
44
Prone
Face down
45
Proximal
Describes a position nearer to the point of attachment or the trunk of the body
46
Regional Anatomy
Study of the structures that contribute to specific body regions
47
Renewal
Process by which worn-out cells are replaced
48
Reproduction
Process by which new organisms are generated
49
Responsiveness
Ability of an organisms or a system to adjust to changes in condition
50
Sagittal Plane
Two-dimensional, vertical plane that divides the body or organ into right and left sides
51
Section
In anatomy, a single flat surface of a three-dimensional structure that has been cut through
52
Sensor
(also, receptor) reports a monitored physiological value to the control center
53
Serosa
Membrane that covers organs and reduces friction; also referred to as serous membrane
54
Serous membrane
Membrane that covers organs and reduces friction; also referred to as serosa
55
Set point
Ideal value for a physiological parameter; the level or small range within which a physiological parameter such as blood pressure is stable and optimally healthful, that is, within its parameters of homeostais
56
Spinal Cavity
Division of the dorsal cavity that houses the spinal cord; also referred to as vertebral cavity
57
Superficial
Describes a position nearer to the surface of the body
58
Superior
Describes a position above or higher than another part of the body proper; also referred to as cranial
59
Supine
Face up
60
Systemic Anatomy
study of the structures that contribute to specific body systems
61
Thoracic Cavity
Division of the anterior (ventral) cavity that houses the heart, lungs, esophagus, and trachea
62
Tissue
group of similar or closely related cells that act together to perform a specific function
63
Transverse Plane
Two-dimesional, horizontal plane that divides the body or organ inti superior and inferior portions
64
Vental Cavity
Larger body cavity located anterior to the posterior (dorsal) body cavity; includes the serous membrane-lined pleural cavities for the lungs, pericardial cavity for the heart, and peritoneal cavoty for the abdominal and pelvic organs; also referred to as anterior body cavity
65
Ventral
Describes the front or direction toward the front of the body; also referred to as anterior