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Lecture

BIOL 1004 Lecture Notes - Lateral Circumflex Femoral Artery, Obturator Artery, Femur Neck

by OneClass88571 , Fall 2012
3 Pages
119 Views
Fall 2012

Department
Biology
Course Code
BIOL 1004
Professor
Tamy Superle

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Outline of Lecture 01 (01-06 A; Ruff)
Synovial Joints, Hip
0. Overview of joint types
A. Fibrous: low/no mobility; fibrous connective tissue
- sutures – in skull
- syndesmosis – unites bones via sheets of fibrous tissue (eg. Interosseous membrane)
B. Cartilaginous: some mobility; hyaline cartilage, fibrocartilage
- eg: pubic symphysis, intervertebral bodies, manubrium -> 1st rib
C. Synovial: high mobility; several components, below
- eg: most limb joints!
I. Introduction to Synovial Joints
A. Components
1. Constant Components
-bone: compact and/or trabecular
- Hyaline cartilage: extent determines range of motion; covers all contact
surfaces between bones
-synovial membrane/cavity: between the two bones
Synovial cavity has no blood supply; nourished by synovial fluid,
slow-healing
-synovial fluid: hyaline cartilage + synovial fluid => very slippery surface
-fibrous capsule: surrounds joint and
2. Optional Components
- fibrocartilage (deepen cavity, promote sliding): located w/in synovial cav.
Labrum: complete rim around joint; deepens concavity
Disk: fibrocartilege ring across joint; strengthens joint
Meniscus: partial disk (moon-shaped
- fat pad: space filler in joint
- Intracapsular tendon: passes thru fibrous capsule but not thru synovial cav.
- bursa(e): double-walled pockets of synovial membrane filled with fluid that
facilitaes movment (independent or continuous with joint)
B. Joint motions
- axis of rotation: point/line which remains stationary during joint movement
-Abduction: moving away from the median plane of the body.
-Adduction: moving toward the median plane of the body.
-Extension: straightening or increasing the angle between body parts.
-Flexion: bending of a part or decreasing the angle between body parts.
-Protonation: medial rotation of the arm such that the palm faces posteriorly.
-Supination: lateral rotation of the arm such that the palm faces anteriorly.
-Rotation: internal or external with relation to a long bone
II. Review of Pelvis
A. Bones
- Innominate (os coxae): three bones ossify separately, fuse in early 20’s

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Description
Outline of Lecture 01 (01-06 A; Ruff) Synovial Joints, Hip 0. Overview of joint types A. Fibrous: low/no mobility; fibrous connective tissue - sutures – in skull - syndesmosis – unites bones via sheets of fibrous tissue (eg. Interosseous membrane) B. Cartilaginous: some mobility; hyaline cartilage, fibrocartilage - eg: pubic symphysis, intervertebral bodies, manubrium -> 1 ribt C. Synovial: high mobility; several components, below - eg: most limb joints! I. Introduction to Synovial Joints A. Components 1. Constant Components - bone: compact and/or trabecular - Hyaline cartilage: extent determines range of motion; covers all contact surfaces between bones - synovial membrane/cavity: between the two bones • Synovial cavity has no blood supply; nourished by synovial fluid, slow-healing - synovial fluid: hyaline cartilage + synovial fluid => very slippery surface - fibrous capsule: surrounds joint and 2. Optional Components - fibrocartilage (deepen cavity, promote sliding): located w/in synovial cav.  Labrum: complete rim around joint; deepens concavity  Disk: fibrocartilege ring across joint; strengthens joint  Meniscus: partial disk (moon-shaped - fat pad: space filler in joint - Intracapsular tendon: passes thru fibrous capsule but not thru synovial cav. - bursa(e): double-walled pockets of synovial membrane filled with fluid that facilitaes movment (independent or continuous with joint) B. Joint motions - axis of rotation: point/line which remains stationary during joint movement - Abduction: moving away from the median plane of the body. - Adduction: moving toward the median plane of the body. - Extension: straightening or increasing the angle between body parts. - Flexion: bending of a part or decreasing the angle between body parts. - Protonation: medial rotation of the arm such that the palm faces posteriorly. - Supination: lateral rotation of the arm such that the palm faces anteriorly. - Rotation: internal or external with relation to a long bone II. Review of Pelvis A. Bones - Innominate (os coxae): three bones ossify separately, fuse in early 20’s * Ilium - Anterior/Posterior superior/inferior iliac spine (all 4 combos) - Iliac crest - Greater sciatic notch (inferior part of it is ischial) - Iliac tuberosity - Ala (wing) - Iliac fossa: anterior surface of ilum (aka ala) - Gluteal surface: posterior surface of ilum * Ischium: primary support when sitting - Ischial spine - Lesser sciatic notch - Ischial tuberosity - Body - Ramus * Pubis - Pubic tub
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