Concept explainers
Videos
On what basis are joints classified?
To review:
The basis on which the joints are classified in the human body.
Introduction:
A joint can be defined as the region of contact between the cartilage and the bone or between two bones. Flexible connective tissues hold the two or more bones together to allow movement along with better stability. These joints perform different functions based on their location and tasks.
Explanation of Solution
The joints are classified in two ways based on their structure or anatomical characteristics and function or types of movement permitted.
From a structural point of view, the joints are classified based on the kind of connective tissue, which binds the bones and the absence or the presence of the synovial cavity. Three types of joints based on the structure are as follows:
Fibrous joints: In this type, the bones are held together by the help of the dense irregular type of connective tissues that is rich in collagen fibers. There is an absence of synovial cavity in this joint type.
Cartilaginous joints: In this type, the bones are held together by cartilages. There is an absence of synovial cavity in this joint type.
Synovial joints: In this type, the bones forming the joint are encapsulated in a structure known as a synovial joint. The bones forming this joint are attached by dense and irregular type of connective tissue consisting of the articular capsule and some accessory structures like the ligaments.
From the functional point of view, the joints are classified by degree of movement permitted by the joint. The three types of joints based on the functional aspect are as follows:
Synarthrosis: In this type, the two bones are attached in such a way that there are absolutely no movements in the joint.
Amphiarthrosis: In this type, the bones are attached in such a way that the bones are slightly movable.
Diarthrosis: In this type, the bones are attached in such a way that the bones are allowed freedom of movement.
Thus, the joints are classified based on their structure and function.
Want to see more full solutions like this?
Chapter 9 Solutions
Principles of Anatomy and Physiology
- Using information from the primary literature (several references have been provided as a starting point below) please answer the following question: Based on your review of the literature on rewilding, what are the major scientific pros and cons for rewilding? Please note that the focus of this assignment are the (biological) scientific issues associated with rewilding. As will be discussed in class, there are a number of non-scientific issues involved or implicated in rewilding, all ultimately affecting the public acceptability of rewilding. Although these issues are important – indeed, critical – in this assignment you should focus on the biological science issues and questions. Details: You must enumerate at least two pros and at least two cons. Your answer should be no more than 500 well-chosen words, excluding references. Think carefully about how best to organize and structure your answer. Aim for high information density: say a lot, but say it succinctly. Recall Nietzche’s…arrow_forwardUsing information from the primary literature (several references have been provided as a starting point below) please answer the following question: Based on your review of the literature on rewilding, what are the major scientific pros and cons for rewilding? Please note that the focus of this assignment are the (biological) scientific issues associated with rewilding. As will be discussed in class, there are a number of non-scientific issues involved or implicated in rewilding, all ultimately affecting the public acceptability of rewilding. Although these issues are important – indeed, critical – in this assignment you should focus on the biological science issues and questions. Details: You must enumerate at least two pros and at least two cons. Your answer should be no more than 500 well-chosen words, excluding references. Think carefully about how best to organize and structure your answer. Aim for high information density: say a lot, but say it succinctly. Recall Nietzche’s…arrow_forwardNow draw a rough sketch of what the control data might look like if in addition to the specific binding, there was also a considerable amount of nonspecific binding (again using a normal dose/response curve) (do % total bound ligand vs concentration)arrow_forward
- What are functions of cuboidal cells in the kidney? Select all that apply. Concentration of gases Dilution of chemicals Secretion of molecules Nutrition to tissues Support of tissues Absorption of moleculesarrow_forwardquestion1 In plants, epithelial tissue is only found as the outermost cell layer and acts as a barrier. In humans, epithelial tissue is found inside the body as well as on the surface. What function(s) does/do epithelial tissue carry out in humans? Select all that apply. Waste storage Filtration Oxygen transport Protection Diffusion Osmosis Absorptionarrow_forwardWhat words best describes this organism? a. Unicellular/nonmotile Ob. unicellular/motile c. colonial/nonmotile d. colonial/motile e. multicelluar O f. siphonous g. none of thesearrow_forward
- Identify the phylum or class. a. Euglenophyta b. Dinoflagellata c. Bacillariophyceae d. Oomycetes e. Phaeophyceae O f. Myxomycota g. Xanthophyceae ○ h. Chrysophyceae i. Dictyosteliomycota O j. Rhodophyta Ok. Chlorophyceaens I. Charophyceaensarrow_forwardWhat is produced inside the indicated structure (Fucus). a. eggs O b. antheridia ○ c. sperm d. zygotes e. none of thesearrow_forwardGreen Algae, as a group, is actually paraphyletic with one subgroup more closely related to higher plants than the other. Which of the following green algae groups is more closely related to higher plants: a. Charophyceans b. Chlorophyceans c. Rhodophyta d. Xanthophyceansarrow_forward
- A single-celled green algal genus that is motile with 2 flagella, has a cup shaped chloroplast, and an eyespot: a. Volvox b. Chlamydomonas c. Euglena d. Codiumarrow_forwardA[n] ___ is produced by members of the Myxomycota when there is a lack of moisture. a. plasmodiocarp b. aethalium c. sclerotium d. plasmodiumarrow_forwardWhich of the following is not true about the life-cycle of Fucus. a. 8 eggs per oogonium b. 64 sperm per antheridium c. eggs are flagellated d. sperm are flagellatedarrow_forward
Human Biology (MindTap Course List)BiologyISBN:9781305112100Author:Cecie Starr, Beverly McMillanPublisher:Cengage Learning
Anatomy & PhysiologyBiologyISBN:9781938168130Author:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark WomblePublisher:OpenStax College
Biology 2eBiologyISBN:9781947172517Author:Matthew Douglas, Jung Choi, Mary Ann ClarkPublisher:OpenStax
Fundamentals of Sectional Anatomy: An Imaging App...BiologyISBN:9781133960867Author:Denise L. LazoPublisher:Cengage Learning