Key terms Flashcards

1
Q

Posterior/Dorsal body cavity

A

contains cranial cavity and vertebral canal

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2
Q

Anterior/Ventral body cavity

A

thoracic cavity and abdominopelvic cavity

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3
Q

Axial region

A

Main axis of the body (head, neck, trunk)

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4
Q

Appendicular region

A

appendages (arms, legs)

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5
Q

Homeostasis

A

Process by which organisms maintain a relatively stable internal environment

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6
Q

Negative feedback

A

a mechanism of response in which a stimulus initiates reactions that reduce the stimulus

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7
Q

Control center

A

processes the signal and sends instructions

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8
Q

negative feed back loop

A

is designed to stabilize a controlled variable

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9
Q

Anatomy

A

Study of the structure and relationship between body parts

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10
Q

Physiology

A

study of the function of body parts and the body as a whole

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11
Q

Gross anatomy

A

study of body parts visible to the naked eye

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12
Q

Histology

A

study of tissues at the microscopic level

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13
Q

Cytology

A

Study of cells at the microscopic level

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14
Q

Neurophysiology

A

study of how the nervous system functions

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15
Q

cell

A

smallest unit of life

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16
Q

Homeostasis

A

maintenance of stable internal conditions within specific limits

17
Q

Organelles

A

specialized bodies within the cell that preform specific cellular function

18
Q

Tissue

A

group of similar cells performing a common function

19
Q

Organ

A

group of different kinds of tissues working together to perform an activity

20
Q

Organ system

A

two or more organs working together to perform an activity

21
Q

Organism

A

system possessing the characteristics of living things

22
Q

Superior

A

above another structure

23
Q

Inferior

A

Below another structure

24
Q

Anterior/ventral

A

toward the front of the body

25
Q

Posterior/Dorsal

A

toward the back of the body

26
Q

Medial

A

toward the middle of the body

27
Q

Lateral

A

away from the midline of the body (towards the side of the body)

28
Q

Ipsilateral

A

on the same side of the body

29
Q

contralateral

A

on the opposite side of the body

30
Q

Intermediate

A

between two structures

31
Q

Proximal

A

closer to the point of attachment of a limb

32
Q

Superficial

A

toward the surface of the body

33
Q

Deep

A

Away from the surface of the body

34
Q

Sagittal planes

A

divide the body or organ open vertically into right and left parts

35
Q

Midsagittal plane

A

divides the body into equal left and right halves

36
Q

Parasagittal plane

A

divides body into unequal right and left sides

37
Q

Frontal planes

A

divides the body vertically into anterior and posterior parts

38
Q

Horizontal planes/Transversal planes

A

divides the body or organ horizontally into superior and inferior parts

39
Q

Positive Feedback

A

feedback that tends to magnify a process or increase its output