Directional and Spatial Terms

These flashcards cover key concepts related to directional and spatial terms in human anatomy, cellular structures and functions, types of tissues, and their locations and roles.

What is the function of the plasma membrane in cellular structures?

It acts as a cell boundary and is involved in various membrane transport mechanisms.

What are the two types of epithelial tissues?

Simple epithelium and stratified epithelium.

What is a major function of microvilli?

They allow greater surface area for absorption.

What distinguishes cardiac muscle from skeletal muscle?

Cardiac muscle has intercalated discs, while skeletal muscle is multinucleated and has striations.

What are the three layers of the skin?

Epidermis, dermis, and hypodermis.

How does a transverse plane divide the body?

It divides the body into superior and inferior parts.

What does the term 'proximal' refer to in anatomy?

It refers to a position that is closer to the trunk or origin of a structure.

What is the meaning of the term 'medial'?

It refers to a position that is closer to the midline of the body.

What is the primary function of lysosomes in a cell?

They contain digestive enzymes that destroy cellular debris and worn-out organelles.

Which type of epithelial tissue is found in the air sacs of lungs?

Simple squamous epithelium.

What is the main role of the Golgi apparatus?

It is the packaging site of glycoproteins for transport and secretion.

Which tissue type is responsible for transmitting nerve impulses?

Nervous tissue, composed of neurons.