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

A

Describes the front or direction toward the front of the body; ventral

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6
Q

Anterior Cavity

A

Larger body cavity located anterior to the posterior (dorsal) cavity; includes the serous memberane-lined pleural cavities for the lungs, pericardial cavity for the heart, and peritoneal cavity for the abdominal and pelvic organs; ventral cavity

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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; 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

Computed Tomography (CT)

A

Medical imaging technique in which a computer-enhanced cross-sectional X-ray image is obtained

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11
Q

Control Center

A

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

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12
Q

Cranial

A

Describes a position above or higher than another part of the body proper; superior

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13
Q

Cranial Activity

A

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

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14
Q

Deep

A

Describes a position farther from the surface of the body

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15
Q

Development

A

Changes an organism goes through during its life

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16
Q

Differentiation

A

Process by which unspecialized cells become specialized in structure and function

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17
Q

Distal

A

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

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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

Dorsal Cavity

A

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

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20
Q

Effector

A

Organ that can cause a change in a value

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21
Q

Frontal Plane

A

2D, vertical plane that divides the body into anterior and posterior portions

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22
Q

Gross Anatomy

A

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

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23
Q

Homeostasis

A

Steady state of body systems that living organisms maintain

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24
Q

Inferior

A

Describes a position below or lower than another part of the body proper; near or towards the tail; caudal

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25
Lateral
Describes the side or direction toward the side of the body
26
Magnetic Resonance Imaging (MRI)
Medical imaging technique in which a device generates a magnetic field to obtain detailed sectional images of the internal structures of the body
27
Medial
Describes the middle or direction toward the middle of the body
28
Metabolism
Sum of all the body's chemical reactions
29
Microscopic Anatomy
Study of very small structures of the body using magnification
30
Negative Feedback
Homeostatic mechanism that tends to stabilize an upset in the body's physiological condition by preventing an excessive response to a stimulus, typically as the stimulus is removed
31
Normal Range
Range of values around the set point that do not cause a reaction by the control center
32
Nutrient
Chemical obtained from foods and beverages that is critical to human survival
33
Organ
Functionally distinct structure composed of 2+ types of tissues
34
Organ System
Group of organs that work together to carry out a particular function
35
Organism
Living being that has a cellular structure and that can independently perform all physiological functions necessary for life
36
Pericardium
Sac that encloses the heart
37
Peritoneum
Serous membrane that lines the abdominopelvic cavity and covers the organs found there
38
Physiology
Science that studies the chemistry, biochemistry, and physics of the body's functions
39
Plane
Imaginary 2D surface that passes through the body
40
Pleura
Serous membrane that lines the pleural cavity and covers the lungs
41
Positive Feedback
Mechanism that intensifies a change in the body's physiological condition in response to a stimulus
42
Positron Emission Tomography (PET)
Medical imaging technique where radiopharmaceuticals are traced to reveal metabolic and physiological functions in tissues
43
Posterior
Describes the back or direction toward the back of the body; dorsal
44
Posterior Cavity
Cavity that houses the brain & spinal cord (dorsal cavity)
45
Pressure
Force exerted by a substance in contact with another substance
46
Prone
Face down
47
Proximal
Describes a position nearer to the point of attachment or the trunk of the body
48
Regional Anatomy
Study of the structures that contribute to specific body regions
49
Renewal
Process by which worn-out cells are replaced
50
Reproduction
Process by which new organisms are generated
51
Responsiveness
Ability of an organisms or system to adjust to changes in conditions
52
Sagittal Plane
2D vertical plane that divides the body into R/L sides
53
Section
A single flat surface of a 3D structure that has been cut through
54
Sensor
Reports a monitored physiological value to the control center
55
Serosa
Membrane that covers organs and reduces friction; serous membrane
56
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 homeostasis
57
Spinal Cavity
Division of the dorsal cavity that houses the spinal cord; vertebral cavity
58
Superficial
Describes a position nearer to the surface of the body
59
Superior
Describes a position above or higher than another part of the body proper; cranial
60
Supine
Face up
61
Systemic Anatomy
Study of the structures that contribute to specific body systems
62
Thoracic Cavity
Division of the anterior (ventral) cavity that houses the heart, lungs, esophagus, and trachea
63
Tissue
Group of similar or closely related cells that act together to perform a specific function
64
Transverse Plane
2D, horizontal plane that divides the body or organ into superior and inferior portions
65
Ultrasonography
Application of ultrasonic waves to visualize subcutaneous body structures such as tendons and organs
66
Ventral
Describes the front direction towards the front of the body; anterior
67
X-Ray
Form of high energy electromagnetic radiation with a short wavelength capable of penetrating solids and ionizing gases; used in medicine as a diagnostic aid to visualize body structures such as bones