Learn on PengiVocabulary from Classical Roots (Book C)Chapter 6: The Body (Lesson 11-12)

Lesson 12: The Body

In this Grade 5 vocabulary lesson from Vocabulary from Classical Roots Book C, students learn 15 key words derived from Greek and Latin roots including derma (skin), dorsum (back), gaster (stomach), nervus (nerve), and sanguis (blood). Students study terms such as dermatology, epidermis, dorsal, gastric, enervate, and sanguine, building understanding of how classical roots form modern English words. The lesson also reviews fill-in-the-blank practice with vocabulary from Lesson 11, reinforcing retention of body-related terminology in context.

Section 1

DERMA: The Skin

Let's start with words related to the skin, all coming from the root DERMA.

Key Words

WordDefinition
dermatology (n.)The scientific study of the skin and its diseases
epidermis (n.)The outer protective layer of the skin or outer layer of various organisms

📝Example Usage:

  • An expert in dermatology gave a lecture on preventing common skin diseases.
  • The human epidermis, though no thicker than a sheet of paper, is a vital protective barrier against infection.

🧠Memory Trick:

  • In dermatology class, we studied a diagram of the epidermis to understand its layers.

Section 2

DORSUM: The Back

These words all relate to 'the back,' stemming from the root DORSUM. This can mean the physical back or the act of giving 'backing' or support.

Key Words

WordDefinition
dorsal (adj.)Pertaining to the back, especially of animals
dossier (n.)A set of documents containing information about a person or event; a file
endorse (v.)To write one's signature on the back of a check or other document; to support or sanction

📝Example Usage:

  • Before the bank teller could cash the check, I had to endorse it by signing my name on the back.
  • The spy agency compiled a detailed dossier on the foreign diplomat, tracking all her movements.

🧠Memory Trick:

  • To endorse the secret agent, the director reviewed a dossier that included a photo of a tattoo on his dorsal side.

Section 3

GASTER/GASTROS: The Stomach

Time for lunch! These words are all about the stomach and good eating, from the root GASTER.

Key Words

WordDefinition
gastric (adj.)Pertaining to the stomach
gastronome (n.)A person who is knowledgeable about good food and drink; a gourmet

📝Example Usage:

  • My uncle, a true gastronome, loves exploring new restaurants and critiquing their food.
  • Chewing food thoroughly stimulates the flow of gastric juices needed for digestion.

🧠Memory Trick:

  • The famous gastronome knew that eating too quickly could cause gastric discomfort.

Section 4

NERVUS: The Nerve

The root NERVUS means 'nerve' or 'sinew,' and this word describes what happens when your strength and energy are taken away.

Key Words

WordDefinition
enervate (v.)To deprive of strength; to weaken

📝Example Usage:

  • Climbing a mountain at high altitude, where the air is thin, can quickly enervate even experienced hikers.
  • The long flight and time difference enervated the traveler, who felt weak and tired for days.

🧠Memory Trick:

  • A long, boring lecture can completely enervate a person, making them feel drained of all energy.

Section 5

SANGUIS: The Blood

These words are all about 'blood,' from the root SANGUIS. They can refer to literal blood relationships, a reddish color, or a cheerful, blood-filled disposition.

Key Words

WordDefinition
sanguine (adj.)1. Cheerful; hopeful 2. Reddish or ruddy
consanguinity (n.)1. Blood relationship 2. Any close relationship

📝Example Usage:

  • Even after her team lost the game, she remained sanguine about their chances of winning the championship.
  • The genealogist discovered the close consanguinity between the two families by tracing their shared ancestry.

🧠Memory Trick:

  • Her sanguine outlook on life was strengthened by the close consanguinity she felt with her supportive family.

Section 6

SEDEO: To Sit or Settle

From the root SEDEO, meaning 'to sit' or 'to settle,' these words describe sitting, settling down to work, settling a disagreement, or being replaced by someone who takes your 'seat.'

Key Words

WordDefinition
assiduous (adj.)Unremittingly attentive; persistent; diligent
dissident (n.)A person who disagrees or dissents
seance (n.)A meeting at which a spiritualist attempts to communicate with the dead
sedentary (adj.)Characterized by much sitting; not migratory
supersede (v.)To take the place of; to replace

📝Example Usage:

  • An assiduous student will be diligent and attentive in completing all homework assignments.
  • New smartphone models are released so frequently that they quickly supersede the old ones.
  • During the spooky seance, the listeners believed they heard a ghost tap the table.

🧠Memory Trick:

  • The assiduous but sedentary dissident, hoping to supersede the current leader, secretly held a seance to ask for otherworldly help.

Book overview

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Chapter 6: The Body (Lesson 11-12)

  1. Lesson 1

    Lesson 11: The Body

  2. Lesson 2Current

    Lesson 12: The Body

Lesson overview

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Section 1

DERMA: The Skin

Let's start with words related to the skin, all coming from the root DERMA.

Key Words

WordDefinition
dermatology (n.)The scientific study of the skin and its diseases
epidermis (n.)The outer protective layer of the skin or outer layer of various organisms

📝Example Usage:

  • An expert in dermatology gave a lecture on preventing common skin diseases.
  • The human epidermis, though no thicker than a sheet of paper, is a vital protective barrier against infection.

🧠Memory Trick:

  • In dermatology class, we studied a diagram of the epidermis to understand its layers.

Section 2

DORSUM: The Back

These words all relate to 'the back,' stemming from the root DORSUM. This can mean the physical back or the act of giving 'backing' or support.

Key Words

WordDefinition
dorsal (adj.)Pertaining to the back, especially of animals
dossier (n.)A set of documents containing information about a person or event; a file
endorse (v.)To write one's signature on the back of a check or other document; to support or sanction

📝Example Usage:

  • Before the bank teller could cash the check, I had to endorse it by signing my name on the back.
  • The spy agency compiled a detailed dossier on the foreign diplomat, tracking all her movements.

🧠Memory Trick:

  • To endorse the secret agent, the director reviewed a dossier that included a photo of a tattoo on his dorsal side.

Section 3

GASTER/GASTROS: The Stomach

Time for lunch! These words are all about the stomach and good eating, from the root GASTER.

Key Words

WordDefinition
gastric (adj.)Pertaining to the stomach
gastronome (n.)A person who is knowledgeable about good food and drink; a gourmet

📝Example Usage:

  • My uncle, a true gastronome, loves exploring new restaurants and critiquing their food.
  • Chewing food thoroughly stimulates the flow of gastric juices needed for digestion.

🧠Memory Trick:

  • The famous gastronome knew that eating too quickly could cause gastric discomfort.

Section 4

NERVUS: The Nerve

The root NERVUS means 'nerve' or 'sinew,' and this word describes what happens when your strength and energy are taken away.

Key Words

WordDefinition
enervate (v.)To deprive of strength; to weaken

📝Example Usage:

  • Climbing a mountain at high altitude, where the air is thin, can quickly enervate even experienced hikers.
  • The long flight and time difference enervated the traveler, who felt weak and tired for days.

🧠Memory Trick:

  • A long, boring lecture can completely enervate a person, making them feel drained of all energy.

Section 5

SANGUIS: The Blood

These words are all about 'blood,' from the root SANGUIS. They can refer to literal blood relationships, a reddish color, or a cheerful, blood-filled disposition.

Key Words

WordDefinition
sanguine (adj.)1. Cheerful; hopeful 2. Reddish or ruddy
consanguinity (n.)1. Blood relationship 2. Any close relationship

📝Example Usage:

  • Even after her team lost the game, she remained sanguine about their chances of winning the championship.
  • The genealogist discovered the close consanguinity between the two families by tracing their shared ancestry.

🧠Memory Trick:

  • Her sanguine outlook on life was strengthened by the close consanguinity she felt with her supportive family.

Section 6

SEDEO: To Sit or Settle

From the root SEDEO, meaning 'to sit' or 'to settle,' these words describe sitting, settling down to work, settling a disagreement, or being replaced by someone who takes your 'seat.'

Key Words

WordDefinition
assiduous (adj.)Unremittingly attentive; persistent; diligent
dissident (n.)A person who disagrees or dissents
seance (n.)A meeting at which a spiritualist attempts to communicate with the dead
sedentary (adj.)Characterized by much sitting; not migratory
supersede (v.)To take the place of; to replace

📝Example Usage:

  • An assiduous student will be diligent and attentive in completing all homework assignments.
  • New smartphone models are released so frequently that they quickly supersede the old ones.
  • During the spooky seance, the listeners believed they heard a ghost tap the table.

🧠Memory Trick:

  • The assiduous but sedentary dissident, hoping to supersede the current leader, secretly held a seance to ask for otherworldly help.

Book overview

Jump across lessons in the current chapter without opening the full course modal.

Continue this chapter

Chapter 6: The Body (Lesson 11-12)

  1. Lesson 1

    Lesson 11: The Body

  2. Lesson 2Current

    Lesson 12: The Body