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Bio 223 > Ch. 7 Terminology > Flashcards

Ch. 7 Terminology Flashcards

1
Q

The skeletal system is divided into what 2 groups?

A

Axial and Appendicular

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2
Q

How many total bones are in skeletal system and what groups are they in?

A

206 in total. 80 in axial and 126 in appendicular

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3
Q

What do the depressions and opening do?

A

Allow passage of soft tissues and form joints

OPENINGS

DEPRESSIONS

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4
Q

What is a process?

A

Projection from a structure

**Most of the time its an attachment site

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5
Q

What is a fissure?

A

A slit that allows a passageway of blood vessels or nerves

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6
Q

What is a foramen?

A

Hole for passage for blood vessels, nerves or ligaments

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7
Q

What is a Fossa?

A

A shallow depression

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8
Q

What is a sulcus?

A

Groove on bone for passage of blood vessel, nerve or tendon

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9
Q

What is a meatus?

A

Tube-like opening

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10
Q

What is a condyle?

A

Rounded projection with a smooth articular surface

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11
Q

What is an angle?

A

A bend

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12
Q

What is a ramus?

A

Branch off of the body beyond the angle

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13
Q

What is a Facet?

A

Smooth, flat, slightly concave articular surface

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14
Q

What is a Head?

A

Usually rounded articular process supported on a neck, enlarged and often rounded.

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15
Q

What is a neck?

A

Constriction between head and body

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16
Q

What is a crest?

A

Prominent ridge or elongated process

17
Q

What is a Sinus?

A

Mucous membrane line air spaces

18
Q

Tubercle

A

Rounded projection

*Most likely a tendon or liagment was attached during life

19
Q

Where are the 4 sutures of the skull?

A

Coronal Suture - connects frontal bone to parietals
Sigittal suture - Connected parietals
Lambdoid suture - connects occiptial bone to parietals
Squamous Suture - Connects pariteal to temporal

20
Q

What are the 14 facial bones?

A

(2) Zygomatic bones
(2) Maxilla bones
(2) Palatine bones
(2) lacrimal bones
(2) Nasal bones
(1) Mandible
(1) vomer
(2) Nasal conchae

21
Q

What do the facial bones do?

A

Protect the major sensory organs located in face: eyes, nose, tounge

Also provide attachment for muscles controlling facial expressions associated with emotions and eye movements

22
Q

Alveolar process

A

the thick ridge of bone which contains the tooth sockets

23
Q

What bones make up the axial skeleton?

A

Everything along center axis of body

Skull, auditory ossicles, hyoid, vertebral column, and rib cage

24
Q

What bones make up the appendicular skeleton?

A

Everything that makes up appendages including pelvic and pectoral girdles

25
Q

What is an epicondyle?

A

Projection apon a condyle

26
Q

What is a line?

A

Long narrow ridge or border / less prominent than a crest

27
Q

What is a spinous process?

A

Sharp slender projection

28
Q

What is a process?

A

Prominent projection

29
Q

What is a Trochanter?

A
  • Very large projection only found on femur
30
Q

What is a tubercle?

A

Small rounded bump

31
Q

What is a tuberosity?

A

Variably sized projection with a rough bumpy surface, larger than tubercle

32
Q

How do you tell a right from left Scapula?

A

The glenoid cavity must be facing outward and the spine is posterior

33
Q

How do you tell a right from left Humerus?

A

The head must be facing medial and the Olecranon fossa must be posterior

34
Q

How do you tell a right from left Ulna?

A

The Trochlear notch is facing anteriorly and the radial notch is facing lateral

STYLOID PROCESS IS MEDIAL

35
Q

How

A
36
Q

How do you tell a right from left Tibia?

A

Tibial tuberosity is facing anteriorly and medial melleolus facing medial

37
Q

How do you tell a right from left Femur?

A

Head faces medially and linea aspera is facing posteriorly

38
Q

How do you tell a right from left Os Coxae?

A

The acetabulum faces laterally and the inferior pubic ramus faces medially

Bio 223 (37 decks)

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