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Mekdes Beyene

Anatomy week 1 - 5

QuestionAnswer
What concept connects all levels of body organization? Homeostasis – The body’s ability to maintain a stable internal environment despite changes outside the body.
What is the anatomical position? The standard reference position of the body used in anatomy: standing upright, facing forward, arms at the sides, palms facing forward, and feet slightly apart.
What does proximal mean? Closer to the point of attachment to the trunk. Example: The elbow is proximal to the wrist.
What are the four major organic molecules in the body? Carbohydrates, lipids, proteins, and nucleic acids.
What is chromatin? Loose strands of DNA found in the nucleus; condenses into chromosomes during cell division.
what embryonic tissue dose connective tissue arise from? Mesenchyme
What are the four main categories of connective tissue? Fibrous, bone, cartilages, blood.
What are Langerhans cells? Immune cells that detect and fight off bacteria and viruses entering the skin.
What are the five layers of the epidermis (from deep to superficial)? Stratum Basale, stratum spinosum, stratum granulosum, stratum lucidum, stratum corneum.
What is the papillary layer responsible for? Provides nutrients to the epidermis and forms fingerprints.
What is the structural unit of compact bone? The osteon (Haversian system).
What are the structural units of spongy bone? Trabeculae.
What are the three main bone cell types? Osteoblasts, osteocytes, and osteoclasts.
What hormone stimulates bone breakdown? Parathyroid hormone (PTH).
What bone separates the nasal cavity from the brain? The ethmoid bone.
What are the fontanels and why are they important? soft spot in the fetal skull, allow brain grow and skull compression during birth.
Name the carpal bons in proximal raw? pisiform, triquetrum, lunate, scaphoid
What two major girdles connect the appendicular skeleton to the axial skeleton? Pectoral and pelvic girdles.
What joint connects the clavicle to the sternum?
What concept connects all levels of body organization? Homeostasis – The body’s ability to maintain a stable internal environment despite changes outside the body.
What is the anatomical position? The standard reference position of the body used in anatomy: standing upright, facing forward, arms at the sides, palms facing forward, and feet slightly apart.
What does proximal mean? Closer to the point of attachment to the trunk. Example: The elbow is proximal to the wrist.
What are the four major organic molecules in the body? Carbohydrates, lipids, proteins, and nucleic acids.
What is chromatin? Loose strands of DNA found in the nucleus; condenses into chromosomes during cell division.
what embryonic tissue dose connective tissue arise from? Mesenchyme
What are the four main categories of connective tissue? Fibrous, bone, cartilages, blood.
What are Langerhans cells? Immune cells that detect and fight off bacteria and viruses entering the skin.
What are the five layers of the epidermis (from deep to superficial)? Stratum Basale, stratum spinosum, stratum granulosum, stratum lucidum, stratum corneum.
What is the papillary layer responsible for? Provides nutrients to the epidermis and forms fingerprints.
What is the structural unit of compact bone? The osteon (Haversian system).
What are the structural units of spongy bone? Trabeculae.
What are the three main bone cell types? Osteoblasts, osteocytes, and osteoclasts.
What hormone stimulates bone breakdown? Parathyroid hormone (PTH).
What bone separates the nasal cavity from the brain? The ethmoid bone.
What are the fontanels and why are they important? soft spot in the fetal skull, allow brain grow and skull compression during birth.
Name the carpal bons in proximal raw? pisiform, triquetrum, lunate, scaphoid
What two major girdles connect the appendicular skeleton to the axial skeleton? Pectoral and pelvic girdles.
What joint connects the clavicle to the sternum? Sternoclavicular joint.
What are the three functional types of joints? synarthroses, amphiarthroses, diarthroses.
Created by: Twin0324
 

 



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