Human Dissection Lab Quiz #1 BIOL 4000

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How many cranial bones are there?

8

How many bones compose the skull?

22

How many facial bones are there?

14

What are the cranial bones?

Frontal (1), Parietal (2), Occipital (1), Temporal (2), Sphenoid (1), and Ethmoid (1).

What are the facial bones?

Maxilla (2), Palatine (2), Zygomatic (2), Lacrimal (2), Nasal (2), Vomer (1), Inferior Nasal Concha (2), and Mandible (1).

What are the sutures of the skull?

Coronal, Lambdoidal, Squamosal, and Sagittal.

What is another name for sutural bones?

Wormian bones

What is another name for wormian bones?

Sutural bones

What is the name of the front part of the frontal bone just above the eyes?

Orbital portion

What is the name of the region of bone just above each eye socket?

Supraorbital margin

What is the name of the small hole in the bone just above each eye socket?

Supraorbital foramen

What is the name of the ear hole in the temporal bone?

External auditory meatus

What is the name of the delicate protrusion of the temporal bone that is found just anterior to the external auditory meatus?

Styloid process

What is the name of the large mound-like formation found just behind the ear on the temporal bone?

Mastoid process

What is the name of the bridge-like protrusion of the temporal bone that extends toward the cheek bones?

Zygomatic process

What is the name of the notch of the temporal bone where the mandible articulates?

Mandibular fossa

What is the name of the articulation of the jaw with the rest of the skull?

Temporomandibular joint

What is the name of the large hole in the bottom of the occipital bone?

Foramen magnum

What are the flattened regions of the skull that articulate with the first cervical vertebra?

Occipital condyles

What is the name of the uppermost horizontal ridge of the occipital bone?

Superior nuchal line

What is the name of the saddle-like formation of the sphenoid bone that can be seen from inside the skull?

Sella turcica

What is the name of the hole in the sphenoid bone through which the optic nerve passes?

Optic foramen

What are the names of the holes in the sphenoid bone that are found near the sella turcica?

Foramen ovale, foramen lacerum, foramen rotundum, and foramen spinosum.

What is the name of the cleft between the greater and lesser wings of the sphenoid bone?

Superior orbital fissure

What is the name of the part of the ethmoid bone that contributes to the nasal septum?

Perpendicular plate

What is the name of the short portion of the ethmoid bone that extends into the cranial cavity?

Crista galli

What is the name of the perforated portion of the ethmoid bone that makes up part of the cranial wall?

Cribriform plate

Technical name for the tooth sockets.

Alveoli

What is the portion of the maxilla that makes up part of the hard palate?

Palatine process

What is the name of the small hole under either eye?

Infraorbital foramen

In what bone is the infraorbital foramen found?

Maxilla

What is the name of the small bone found just inside the medial border of either eye socket?

Lacrimal bone

What is the name of the hole through which tears drain out of the eye?

Lacrimal foramen

What is the name of the bridge-like protrusion of the zygomatic bone that extends posteriorly to connect with the cranial bones?

Temporal process

What is the name of the bulky, vertically-oriented portion of the mandible?

Ramus

What is the name of the articular protrusion at the superior posterior end of the mandible?

Condyloid process

What is the name of the protrusion on the superior anterior portion of the mandible?

Coronoid process

What is the name of the depression between the condyloid process and the coronoid process of the mandible?

Mandibular notch

What is the name of the hole found on either side of the chin portion of the mandible?

Mental foramen

What is the name of the hole found on the interior posterior side of the mandible?

Mandibular foramen

How many cervical vertebrae are there?

7

What is the name of the the C1 vertebra?

Atlas

What is the name of the C2 vertebra?

Axis

What do you call the flattened parts of the axis where it contacts the occipital condyles?

Superior articular surfaces

What are the two names for the vertical stick-like protrusion of the C2 vertebra?

Dens and odontoid process

How many thoracic vertebrae are there?

12

How many lumbar vertebrae are there?

5

How many sacral vertebrae are there?

5

How many coccygeal vertebrae are there?

4 or 5

What is the name of the bulky, rounded portion of each vertebra?

Body

What is the name of the posterior portion of the vertebra?

Neural arch (vertebral arch)

What is the name of the thin portion of the vertebra that connects the neural arch to the body?

Pedicle

What is the name of the portion of the vertebra that connects the transverse processes to the spinous process?

Lamina

What is the name of the hole in the vertebra through which the spinal cord passes?

Vertebral foramen

What is the name of the single, posteriorly-extending protrusion of the vertebra?

Spinous process

What is the name of either of the paired lateral protrusions of the vertebra?

Transverse process

What is the name of each contact point on the upper side of the vertebra?

Superior articular process

What is the name of each contact point on the lower side of the vertebra?

Inferior articular process

What are the three parts of the sternum?

Manubrium, gladiolus (body), and xiphoid process.

How many pairs of ribs are there?

12

How many pairs of true ribs are there?

7 (1-7)

How many pairs of false ribs are there?

5 (8-12)

How many pairs of floating ribs are there?

2 (11 and 12)

What is the name of the rounded end of the rib found at the vertebral end?

Head

What is the name of the bump on the rib found at the junction of the neck and the body of the rib?

Turbercle

What is the name of the relatively thin portion of the rib that is found between the head and tubercle?

Neck

What is the name of the most sharply curved portion of the rib?

Angle

What is the name of the long, relatively straight portion of the rib?

Shaft (body)

What is the name of the medial end of the clavicle?

Sternal end

What is the name of the lateral end of the clavicle?

Acromial end

What is the name of the articulation between the clavicle and the sternum?

Sternoclavicular joint

What is the name of the articulation between the clavicle and the scapula?

Acromioclavicular joint

What is the name of the diagonal ridge on either scapula?

Spine

What is the name of the depression found above the spine of the scapula?

Supraspinous fossa

What is the name of the depression found below the spine of the scapula?

Infraspinous fossa

What is the name of the protrusion of the scapula that articulates with the clavicle?

Acromion process

What is the name of the surface of the scapula that articulates with the head of the humerus?

Glenoid cavity

What is the name of the hook-like protrusion that is found on the lateral edge of the superior anterior portion of the scapula?

Coracoid process

What is the name of the depression found on the anterior portion of the scapula?

Subscapular fossa

What is the name of the top edge of the scapula? (found at base of coracoid process)

Superior border

What is the name of the longest side of the scapula that is found along the spine?

Vertebral (medial) border

What is the name of the side of the scapula that extends from the glenoid cavity to the inferior angle?

Axillary (lateral) border

What is the name of the top, medial corner of the scapula?

Superior angle

What is the name of the bottom, medial corner of the scapula?

Inferior angle

What is the name of the depression just medial to the coracoid process along the superior border of the scapula?

Scapular notch

What is another name for the upper arm?

Brachium

What is the rounded portion found at the proximal end of the humerus?

Head

What is the name of the long portion of the humerus?

Shaft (body)

What is the name of the obliquely-angled line that separates the head of the humerus from the tubercles?

Anatomical neck

What is the name of the name of the constriction found just below the tubercles of the humerus?

Surgical neck

What is the larger prominence at the proximal end of the humerus?

Greater tubercle

What is the smaller, more anteriorly-positioned prominence at the proximal end of the humerus?

Lesser tubercle

What is the name of the deep groove found between the tubercles of the humerus?

Intertubercular groove

What is the name of the bump along the lateral side of the shaft of the humerus?

Deltoid tuberosity

What is the name of the hole along the length of the humerus?

Nutrient foramen

What is the name of the lateral portion of the articular surface at the distal end of the humerus?

Capitulum

What is the name of the medial portion of the articular surface at the distal end of the humerus?

Trochlea

What are the names of the prominences found just proximal to the distal end of the humerus?

Medial epicondyle and lateral epicondyle

What is the name of the depression on the anterior side of the humerus just above the trochlea?

Coronoid fossa

What is the name of the depression on the posterior side of the humerus just above the trochlea?

Olecranon fossa

What is another name for the forearm?

Antebrachium

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