Bones and ossification

Question	Answer
When the concentration of calcium is high in the blood, the thyroid secretes calcitonin which ___ osteoclasts	Inhibits
When the concentration of calcium is low in the blood, the thyroid secretes calcitonin which ___ osteoclasts	Stimulates
In this type of bone preparation, cellular components can be visualized	Decalcified
In this type of preparation, components of the matrix can be visualized	Ground
Bone forming cells	Osteoblasts
Osteoblasts that are entrapped in the bone matrix and maintain the bone matrix	Osteocytes
Bone resorbing cells that break down the bone matrix	Osteoclasts
Image: 8 A0449 A7 A5 Ad 4 F03 A7 B4 27 F3270 Af0 Ae (binary/octet-stream)	Osteoblast
Image: 24 Be349 B B5 Cc 48 C3 8237 E4 C4729 Ea225 (binary/octet-stream)	Osteocyte
Cuboidal to columnar; single layer on bone surfaces; basophilic cytoplasm; nucleus is often centrally located	Osteoblast
Giant and multi-nucleated; face bone with “ruffled” border; acidophilic cytoplasm Image: 7180 Cf18 Acf7 4 A8 D 99 D4 3 Da16 Fde3 C2 B (binary/octet-stream)	Osteoclasts
Bone ECM is made of an ___ matrix and an ___ matrix	Organic; inorganic
2 types of bone marrow	Red; yellow
T/F Red bone marrow is typically found in older animals	False; it’s typically found in younger animals. Yellow marrow is more common in “older” animals
What type of bone is represented by this slide? Image: 5 E566183 B56 C 43 Dd Bdb8 B2794 C4 Abaf1 (binary/octet-stream)	Cancellous/spongy bone
Which zone of endochondral ossification is outlined in white? Image: 0 D6 E8 C98 E0 Bc 4 Fe6 9 Cfb 87 B539 F36 Ea6 (binary/octet-stream)	Zone of proliferation
Which zone of endochondral ossification is outlined in white? Image: Bd05 Df88 8 B68 420 F B6 Cf Cca34341 C1 Da (binary/octet-stream)	Reserve zone (resting zone)
Which zone of endochondral ossification is outlined in white? Image: D048 Ed62 6795 4 F42 Be6 A 9816 C6980 Adc (binary/octet-stream)	Zone of hypertrophy
Which zone of endochondral ossification is outlined in white? Image: 827 B99 Af 2 A23 4 Df9 9327 C93 Ac07701 F4 (binary/octet-stream)	Zone of resorption
Which zone of endochondral ossification is outlined in white? Image: Cb611 Ae4 1511 4 C2 F 90 Ae Fe675 A03 E17 C (binary/octet-stream)	Zone of ossification
What type of bone is represented in this slide? Image: 6628493 F Bb0 C 4082 B23 F 994 Da82373 D2 (binary/octet-stream)	Compact bone
What type of bone development is represented in this slide? Image: D9 E2 F0 B9 7 Ed2 45 Ef 81 Bf 4 B420 F63 B772 (binary/octet-stream)	Endochondral ossification
What type of bone development is represented in this slide? Image: B82037 Dd F078 4 Add 8843 4261 D65 D8 Ed6 (binary/octet-stream)	Intramembranous ossification
Most bones are formed via ___ ossification	Endochondral
openings that run perpendicular to Haversian canals connecting them with the surface and each other Image: B4420 B9 E 585 D 4 Bfe 9601 A990 A571 F14 C (binary/octet-stream)	Perforating canals AKA volkmann canals
In lamellar bone, ___ ___ ___ lies just underneath the periosteum Image: Dc244378 4 Fbc 46 B4 9636 A68 F47 Aacc4 D (binary/octet-stream)	Outer circumferential lamellae
In lamellar bone, ___ ___ ___ lies just underneath the endosteum Image: Bc8 Ac5 Fa 080 B 4 Cbc 9221 25 Efe938 E855 (binary/octet-stream)	Inner cirumferential lamellae
Functional unit of compact bone Image: 06 A3 B1 B0 Aabf 42 Df Aa64 7334 A054 C3 F4 (binary/octet-stream)	Osteon
Image: E1875 D84 C5 C2 46 D5 A3 D6 25 F57985 C283 (binary/octet-stream)	Central Canal/Haversian canal

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Bones and ossification

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	Created by Diamond Sapphire about 4 years ago