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Vet 116 Skeletal Sy.

Skeletal System for Vet 116, along with other terms.

Study of bone and its related physiology. Osteology
What is the hardest natural substance in the body? (Bone is the second hardest.) Tooth Enamel
Cells embedded in an intracellular matrix make up what? Bone
It starts out soft, then hardens with age as calcium and phosphate are added. Matrix
Cells responsible for producing bone and secreting Matrix: Osteoblasts
Cells responsible for eating away bone for remodeling, also allowing the body to extract calcium from the blood. Osteoclasts
Bone cells/ embedded Osteoblasts. Osteocytes
A process in which Osteoblasts harden bone. Ossification
Where Osteoblasts embed after Ossification. Lacunae
Bone formation; Growing into and replacing a cartilage model. (Starts in fetus): Endochrinal Ossification
The ends of bones are called these: The Epiphyses
The shaft of the bone is named this: The Diaphyses
Growth plates in bone (found more in young) are called this: The Epiphyseal Plates
Bones developing from fibrous tissues that form flat cranial bones. Intramembranous Ossification
This cannot be seen in X-ray: Cartilage
The Diaphyses of the bone elongates and ossifies, then repeats to ________. Lengthen
The primary growth center of the bone (found in the Diaphyses) is what? Calcium filled
The Epiphyses are the place for the Secondary ______ ______. Growth Center
Microscopic openings that contain blood capillaries which are responsible for bringing blood to cells: Volkmanns Canals
Larger canals in bone that allows nerves and vessels to access bone marrow Nutrient Foramen
Contain blood and lymph vessels as well as nerves. (Volkmanns branch off of these): Haversian Canals
Compact bone composed of tiny, tightly packed cylinders of bone: Haversian System
N.Formina (pl) look like these in x-rays: Tiny cracks
Sponge-like bone found in the Epiphyses, with cartilage between the spaces. Cancellous Bone
Bone that is heavy, dense, and smooth. It is always on the outside of the bone. Compact Bone
A layer inside of the bone and contains Osteoblasts. Endosteum
Longer than they are wide; found in limbs. Long Bones
Small and cube shaped, with a core of Cancellous bone covered by Compact bone. (Carpal and Tarsal bones are en example): Short Bones
Bone made of Cancellous bone wedged between Compact bones. Examples: Skull, pelvis and Scapula. Flat Bones
Miscellaneous bones that do not fit any other category: Sesamoid or Irregular bones.
This is found in Cancellous bones, and hollow areas in long bones. Cartilage
Hematopoietic Tissue: Red bone Marrow.
It produces Red Blood Cells, and if found more common in younger animals. Found in the Joints in Adults. Red Marrow
Consists of Adipose, most common in adults and doesnt produce RBC's. Yellow Marrow
Joint surfaces that are smooth areas of Compacted bone; Covered in Hyaline cartilage also called Articular Cartilage Articular Surfaces
Large, round articulars: Condyle
Flat A.S with a joint that makes a rocking motion: Facet
General term to describe all of the lumps, bumps, and other projections present on the bone: Processes
A hole in the bone (like the Natural Forminae) is called: Foramen
A depression or sunken area on the surface of the bone: Fossa
What are functions of bones: Supports Protects Leverage Storage
It prevents Hypercalcemia by allowing the body to deposit calcium into the bones with Osteoblasts. Calcitonin
Prevents Hypocalcemia by allowing the body to extract calcium from the bones with Osteoclasts. Parathyroid
Dairy Cows have issues with calcium levels, do to a large supply of calcium being extracted from the body after birth. Can cause death if not caught in time. Milk Fever
The cranium, bones of the face, and bones of the ears. Axial Skeleton
Immovable joints that join the bones of the Axial Skeleton. Sutures
The only free joint in the Axial Skeleton that connects to the skull: The Mandible
These bones form the caudal portion of the hard palette Palatine Bones
These bones form supports for part of the Pharynx. (Milk can definitely come out the nose!) Pterygoid Bones
This bone is found at the midline and forms the nasal septum: Vomer Bone
Scroll like bones that fill up the space of the nasal cavities are called these: Turbinates
This bone supports the base of the tongue, the larynx, pharynx, and aids in swallowing. (Its also the bone that is broken during manual strangulation for all you CSI fans!) The Hyoid Bone
_______ is the bone that forms the base of the skull. The Occipital Bone
Two small bones on the dorsal midline Interparietal Bones
Paired bones from the dorsolateral walls of the cranium Parietal Bones
Paired bones from the lateral wall of the cranium and contain the bones for the middle and inner ear. Its also where the mandible joins the rest of the skull. Temporal Bones
These bones form the forehead region of the cranium and contain the large sinus': Frontal Bones
This is a single bone that forms the Ventral point of the cranium. Sphenoid Bone
A single bone that lies just in front of the Sphenoid Boone and is the area where the nerves for the sense of smell pass through: Ethmoid Bone
The three bones of the ear are the Mallus, Incus, and the ______. Stapes
This bone is the most rostral of the bones and houses the incisors: Incisive Bones
A pair of bones that forms the bridge of the nose: The Nasal Bones
This pair of bones make up the upper jaw: The Maxillary Bones
Two bones that form the part of the medial portion of the orbit of the eye are called what? Lacrimal Bones
These form a portion of the orbit of the eye and are a part of the Zygomatic Arches: Zygomatic Bones
The two major parts of the Spinal Column are the Axial Skeleton and the: Appendicular
The minor part of the Spinal Cord is the: Visceral SKeleton
How many Cervical Vertebrae are there? 7
How many Thoracic Vertebrae are there? 13
How many Lumbar Vertebrae are there? 7
How many Sacral Vertebrae are there? 3
How many Coccygeal Vertebrae do cats have? 5-23
How many Coccygeal Vertebrae do dogs have? 20
The name for the first Cervical Vertebrae: Atlas
The name for the second Cervical Vertebrae: Axis
The sacrals fuse to make what? Sacram
There are as many pairs of ribs as what kind of bones? Thoracic
This is another name for the bones of the Sternum: Sternebrae
The first bone of the Sternum is called the _______. Manubrium
The eigth bone of the sternum is known as: The Xyphoid Process
This limb is the only limb attached by muscle, to allow for shock absorption: The Front Limb
A shoulder blade is the ________. Scapula
The Verebral Formula for the dog is: c7t13L7s3Ca20
The Verebral Formula for the cat is: c7t13L7s3Ca5-23
The long bone of the upper arm (brachium) is the: Humerous
The bone of the forearm (antebrachium) and the main weight bearing bone: The Radius
The ______ is the second bone of the antebrachium; it forms a major portion of the elbow joint. Ulna
The wrist is called the _______. Carpus
The three top Carpal Bones are the Radial Carpal, the Ulnar Carpal, and the ____________ ________ bone. Accessory Carpal
A pollex is the ______. Thumb
The claw is known as the: Ungual Process
The bone the claw is attached to is the: Ungual crest
The declaw process removes the what in the Phalange? Distal Bone
Bones located between the Distal and Carpal Bones: Metacarpal Bone
What phalange doesnt have the middle phalynx? First DewClaw
All phalanges besides the first DewClaw have a complete set, which means they have a Proximal,______, and Distal bone. Middle
The Pelvis attaches to what? Sacram
The _______ is made with three bones, all joined dorsally with Pelvic Symphysis. Pelvis
This is the forward most of pelvic bones, and forms the sacroliac joint with the pelvis: Ilium
Caudal most pelvic bone: Ischium
Smallest Pubic bone,forms cranial portion of pelvic floor. Pubis
All three pelvic bones form the: Acetabulum
The long bone of the thigh; has a ball and socket. Femur
Knee cap, found in the tendon Quadracepts Fencoris Muscle: Patella
Two Sesamoid bones behind the Femoral Condyle in proximal Gastrocnemius Muscle: Fabella
This supports and carries weight: Tibia
Thin shaft of bone, doesnt support weight: Fibula
This is the ankle or hock. Tarsus
Almost identical to the Metacarpal bones of the front limb; most animals have four, numbered II -> V MetaTarsal Bone
This Skeleton is found only in male dogs, and is known as the OS Penis: Visceral
Created by: Ruvie



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