Medical Terminology Week 1

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Questions and Answers

What is the primary function of dense connective tissue in tendons?

  • To connect muscle to bone (correct)
  • To provide elastic properties
  • To stabilize joints
  • To connect bone to muscle

What is the characteristic of ligaments in dense connective tissue?

  • They connect muscle to bone
  • They connect bone to muscle
  • They are non-vascularized
  • They are primarily made of collagen (correct)

Which layer of the skin is primarily responsible for thermoregulation and sensation?

  • Hypodermis
  • Epidermis
  • Dermis (correct)
  • Stratum basale

What process describes the movement of water across a semi-permeable membrane?

<p>Osmosis (D)</p> Signup and view all the answers

What type of epithelium is primarily found in the lining of the stomach and why is it important?

<p>Simple columnar, for secretion and absorption (B)</p> Signup and view all the answers

Which type of epithelium primarily aids in the movement of particles and fluid due to the presence of cilia?

<p>Ciliated epithelium (B)</p> Signup and view all the answers

What is the primary function of transitional epithelium?

<p>Allowing expansion and stretching (D)</p> Signup and view all the answers

What is the primary function of simple squamous epithelium?

<p>Allows diffusion and secretes lubrication (A)</p> Signup and view all the answers

Where can glandular epithelium primarily be found?

<p>Mucous membranes (B)</p> Signup and view all the answers

Which type of epithelium is most commonly found in high-friction areas such as the esophagus?

<p>Stratified (B)</p> Signup and view all the answers

If a veterinarian instructs to focus on a structure 'distal to the elbow', which area should be examined?

<p>Forelimb below the elbow (A)</p> Signup and view all the answers

Which of the following correctly describes the anatomical name for the shoulder blade?

<p>Scapula (D)</p> Signup and view all the answers

Which connective tissue type is known for its function in energy storage and temperature insulation?

<p>Loose connective tissue - Adipose (A)</p> Signup and view all the answers

When a dog is in dorsal recumbency, what does its position refer to?

<p>Lying on its back (B)</p> Signup and view all the answers

What type of cells are present in the myocardium?

<p>Tubular branched cells (A)</p> Signup and view all the answers

Which of the following correctly describes the location of 'plantar' and 'palmar' surfaces?

<p>Plantar refers to the undersurface of the hind limb; palmar refers to the undersurface of the forelimb (D)</p> Signup and view all the answers

What is the structure of the wall mentioned in the content similar to?

<p>Fingers and toenails (A)</p> Signup and view all the answers

What distinguishes the median plane from the sagittal plane?

<p>Median divides the body into equal left and right halves; sagittal does not (A)</p> Signup and view all the answers

Which is the correct order for the regions of the vertebral column from cranial to caudal?

<p>Cervical, Thoracic, Lumbar, Sacral (D)</p> Signup and view all the answers

Which type of connective tissue is the most widespread in the body and provides strength?

<p>Loose connective tissue - Areolar (A)</p> Signup and view all the answers

How would you explain 'myocarditis' to a pet owner?

<p>An inflammation of the heart muscle (D)</p> Signup and view all the answers

Which bones are found below the tarsus in an equine distal limb?

<p>Metatarsals and phalanges (B)</p> Signup and view all the answers

What is the characteristic feature of ciliated epithelium?

<p>Hair-like projections on the surface (A)</p> Signup and view all the answers

What type of simple epithelium lines organs with absorptive or secretory functions?

<p>Simple columnar (C)</p> Signup and view all the answers

Which type of connective tissue acts as a protective layer surrounding organs?

<p>Loose connective tissue - Areolar (D)</p> Signup and view all the answers

What is the medical term for a slow heart rate?

<p>Bradycardia (D)</p> Signup and view all the answers

Which cavity is responsible for housing the heart and lungs?

<p>Thoracic cavity (B)</p> Signup and view all the answers

The cavity in which the heart is located is known as what?

<p>Thoracic cavity (A)</p> Signup and view all the answers

Which gland is unique to the canine reproductive system?

<p>Bulbus glandis (A)</p> Signup and view all the answers

Which external structure of the equine hoof is wedge-shaped and located between the bars?

<p>Frog (C)</p> Signup and view all the answers

What hormone is known as the male equivalent of LH?

<p>ICSH (D)</p> Signup and view all the answers

What structure is formed by the division of the trachea into right and left passages?

<p>Bifurcation (D)</p> Signup and view all the answers

What type of ovulation occurs in canines?

<p>Spontaneous (B)</p> Signup and view all the answers

Which part of the pharynx is directly involved in the respiratory function?

<p>Nasopharynx (A)</p> Signup and view all the answers

Which hormone is primarily responsible for triggering lactation?

<p>Prolactin (D)</p> Signup and view all the answers

What is the role of the epiglottis during swallowing?

<p>To close over the larynx (C)</p> Signup and view all the answers

Which of the following structures is NOT part of the male reproductive anatomy in feline?

<p>Corpus luteum (D)</p> Signup and view all the answers

How many lung lobes does a dog typically have on its left side?

<p>3 (B)</p> Signup and view all the answers

Which hormone is produced by the ovaries?

<p>Oestrogen (D)</p> Signup and view all the answers

What characterizes the oestrous cycle of felines?

<p>Induced ovulator with periodic cycles (B)</p> Signup and view all the answers

What feature differentiates bronchi from bronchioles?

<p>Presence of cartilage rings (C)</p> Signup and view all the answers

At what approximate age do equines reach puberty?

<p>12-15 months (A)</p> Signup and view all the answers

Which area of the pharynx serves as a shared region for both digestive and respiratory systems?

<p>Oropharynx (D)</p> Signup and view all the answers

What is the primary function of the pleural space?

<p>To contain a vacuum (D)</p> Signup and view all the answers

Which mammal has the least number of lung lobes on the left side?

<p>Horse (B)</p> Signup and view all the answers

Flashcards

Caudal

The anatomical term for the location towards the tail or hind end of the body.

Cranial

The anatomical term for the location towards the head or front of the body.

Medial

The anatomical term for the location towards the midline of the body.

Lateral

The anatomical term for the location away from the midline of the body.

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Proximal

The anatomical term for the location closer to the beginning of a limb or structure.

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Distal

The anatomical term for the location further away from the beginning of a limb or structure.

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Dorsal

The anatomical term for the location on the back of the body.

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Ventral

The anatomical term for the location on the belly or underside of the body.

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Dense connective tissue

A type of connective tissue that has densely packed collagen fibers arranged in a regular pattern. Provides strength and support to structures.

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Tendon

A type of dense connective tissue that connects muscle to bone. Helps facilitate movement.

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Ligament

A type of dense connective tissue that connects bone to bone. Provides stability to joints.

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Epidermis

The outer layer of skin responsible for protection, water-proofing, and sensory perception.

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Diffusion

The movement of molecules from a region of high concentration to a region of low concentration.

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Sole

The bottom of the foot.

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White Line

A layer of tissue that helps connect different parts of the foot.

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Wall

The outer, hard layer of the hoof, similar to fingernails and toenails.

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Simple Squamous Epithelium

A single layer of flat, thin cells that allows for easy diffusion of substances.

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Simple Cuboidal Epithelium

A single layer of cube-shaped cells involved in secretion and absorption.

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Simple Columnar Epithelium

A single layer of tall, pillar-like cells responsible for secretion and absorption.

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Stratified Epithelium

Multiple layers of cells that provide protection against abrasion.

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Pseudostratified Epithelium

Closely packed cells that appear layered but are all attached to the basement membrane. They often have a columnar shape and can be found in the respiratory tract.

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Ciliated Epithelium

A type of epithelium with hair-like projections called cilia that beat rhythmically to move fluids or particles within a cavity.

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Transitional Epithelium

A stratified epithelium where multiple cell layers can change shape, allowing organs like the bladder to expand and stretch.

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Glandular Epithelium

Epithelium with interspersed secretory cells that produce and release mucus, providing lubrication and protection.

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Areolar Connective Tissue

Connective tissue that is the most widespread in the body, providing support, flexibility, and elasticity.

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Adipose Connective Tissue

A specific type of loose connective tissue that primarily functions in energy storage, insulation, and cushioning.

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Skeletal Muscle

Muscle tissue responsible for movement of the skeleton, characterized by long, tubular cells and voluntary control.

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Cardiac Muscle

Muscle tissue found only in the heart, characterized by branched cells and involuntary movement.

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Smooth Muscle

Muscle tissue that controls the movements of internal organs, characterized by tapered cells and involuntary control.

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ICSH (Interstitial Cell Stimulating Hormone)

This hormone is released by the anterior pituitary gland in the brain and is known as a gonadotropin. It stimulates the testes to produce testosterone and sperm.

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LH (Luteinising Hormone)

Ovaries produce three primary hormones. This hormone is responsible for the development and release of an egg from the ovary. It is released by the anterior pituitary gland in the brain.

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FSH (Follicle Stimulating Hormone)

They stimulate the ovaries to grow follicles and develop eggs.

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Oestrogen

This hormone is primarily produced in the ovaries and is essential for the development of female secondary sexual characteristics and the regulation of the menstrual cycle in humans.

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Progesterone

This hormone is produced predominantly by the ovaries and is crucial for preparing the lining of the uterus for a potential pregnancy. It is also involved in maintaining pregnancy.

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Testosterone

This hormone is mainly produced by the testes and is responsible for the development and maintenance of male sexual characteristics and the production of sperm.

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Prolactin

This hormone is released by the anterior pituitary gland and plays a crucial role in triggering and maintaining milk production after childbirth.

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Oxytocin

This hormone is produced by the posterior pituitary gland and triggers the release of milk from the mammary glands.

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Pharynx

The area at the back of the mouth that is shared by both the respiratory and digestive systems.

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Epiglottis

The flap of cartilage located at the top of the larynx that prevents food from entering the trachea during swallowing.

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Trachea

The tube that connects the pharynx to the bronchi, responsible for carrying air to and from the lungs.

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Bifurcation of the trachea

The bifurcation is the point where the trachea splits into two separate branches, known as the right and left bronchi, each leading to a lung.

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Bronchi

Small tubes leading from the bronchi, further dividing into even smaller tubes called bronchioles. They transport air to the alveoli - tiny air sacs responsible for gas exchange.

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Bronchioles

The smallest branches of the respiratory system, leading to the alveoli. They have smooth muscle walls that help regulate airflow.

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Alveoli

Thin-walled sacs located at the end of the bronchioles, responsible for gas exchange between the lungs and blood.

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Pleura

The membrane that covers the lungs and lines the chest cavity, creating a space known as the pleural space, which contains a vacuum to help with lung expansion and contraction during breathing.

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Study Notes

Week 1 Terminology

  • Prefixes are word parts added to the beginning of words. Examples included quadr/tetra, endo, ad, supra, hypo, dys, hyper, epi, ter/tri, uni/mono, anti, poly, bi/bin/di, brady, tachy
  • Roots are the core of words. Examples include thyroid, cyto, chondr, cardio, derma, gastro, adreno, pulmon, myo, entero, osteo, colon, reno, ophtho, hepto.
  • Suffixes are word parts added to the end of words. Examples include -ostomy, -ous, -ism/la, -centesis, -ectomy, -scopy, -itis, -ology, -ac/lous/ic, -o/o, -pety, -emia, -otomy, -rrhage.
  • Examples of words using these parts include epistaxis, hypertension, apnoea, pneumothorax, emesis, haemorrhagic diarrhoea, orchitis, urticaria, anorexia, dystocia, rhabdomyolysis, dysphagia, hypovolaemia, hypothermia, pyrexia, bradycardia, ataxia, anuria.

Directional Terms

  • Cranial (anterior): Towards the head
  • Caudal (posterior): Towards the tail
  • Rostral: Towards the nose
  • Dorsal: Towards or near the back
  • Ventral: Towards the belly
  • Lateral: Away from the midline
  • Medial: Towards the midline
  • Superficial: Nearer the surface
  • Deep: Further from the surface
  • Proximal: Nearer the point of reference
  • Distal: Further from the point of reference
  • Dorsal (in relation to the limb): The front surface of the lower limb
  • Palmar: The back or under surface of the lower forelimb area.
  • Plantar: The back or under surface of the lower hindlimb area.

Anatomical Planes

  • Median plane: A line that divides the body in half (right and left).
  • Sagittal plane: Any line parallel to the median plane.
  • Dorsal/Frontal plane: Parallel to the back of the animal.
  • Transverse plane: Perpendicular to the long axis of the animal.

Recap Questions

  • Surgery: Distal to the elbow
  • Dorsal recumbency: Position of a dog lying on its back.
  • Plant/Palmar surfaces: Plant/Palmar surfaces are referenced regarding the limb/hoof
  • Median vs. Sagittal planes: Median is a specific sagittal plane, others may be parallel but not directly the vertical midline.
  • Myocarditis: Inflammation of the heart muscle.
  • Slow heart rate: Bradycardia

Week 2 - External landmarks, body cavities and the skeleton

  • Body cavities: Thoracic, abdominal, pelvic.

  • Thoracic cavity contains: Heart and associated structures, lungs

  • Abdominal cavity contains: Digestive system and related glands.

  • Pelvic cavity contains: Urinary bladder and some reproductive organs

  • Coelomic cavity (birds/reptiles): Single body cavity without a diaphragm

  • External Landmarks Diagrams are included: Provide specific locations relating to animal body parts for dog and horse.

Week 3 - Structure of the body

  • Types of Epithelium: Squamous, cuboidal, columnar, stratified, pseudostratified, ciliated, transitional, glandular.
  • Functions and locations of epithelial cells are detailed.

Week 4 - Reproductive System

  • Canine Male Anatomy: Testes, epididymis, vas deferens, prostate gland, bulbus glandis, penis.
  • Feline Male Anatomy: Testes, epididymis, vas deferens, prostate gland, penis
  • Equine Male Anatomy: Ampulla, vesicular gland(s), bulbourethral gland(s), glans penis.
  • Feline Reproductive System: Ovaries, oviducts, uterus, cervix, vagina, vulva.
  • Equine Reproductive System: Vagina, cervix, horns of uterus, ovary, fallopian tube
  • Uterine Morphologies: Duplex, bipartite, bicornuate, simplex
  • Reproductive Hormones: Anterior pituitary, ICSH, FSH, LH, testosterone, estrogen, progesterone.
  • Lactation: Progesterone, prolactin, oxytocin

Week 5 - Respiratory System

  • Pharynx: From nasal cavity, also shared with digestive system, nasopharynx, oropharynx, laryngopharynx
  • **Larynx:**Cartilaginous structure, epiglottis, vocal ligaments.
  • Bronchi and Bronchioles: Trachea bifurcation, cartilage rings, smooth muscle, alveoli.
  • Lung Lobes: Vary between species
  • Pleura: Pulmonary pleura, visceral pleura, parietal pleura, pleural space
  • Breathing summary: Diaphragm contraction, external intercostal muscles, inspiration, expiration.
  • Recap Questions: Include identification or purpose(s) of specific parts or structures noted in earlier topics.

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