Podcast
Questions and Answers
Which of the following best describes the branchial apparatus?
Which of the following best describes the branchial apparatus?
- A system in fish embryos only for respiration.
- A phase of development at the 8th week in human embryos.
- A structure in humans similar to gills in primitive chordates. (correct)
- A group of bones that completely ossify by the 4th week.
At what stage does a human embryo's head and neck region resemble that of a fish embryo?
At what stage does a human embryo's head and neck region resemble that of a fish embryo?
- At the 4th month
- At the 4th week (correct)
- At the 2nd week
- At birth
What is the origin of the term 'branchial'?
What is the origin of the term 'branchial'?
- Greek word meaning 'neck'.
- Greek word for 'gills'. (correct)
- Latin word for 'arches'.
- Roman term for 'head'.
In humans, what is the contribution of the branchial apparatus?
In humans, what is the contribution of the branchial apparatus?
Which of the following does NOT constitute part of the pharyngeal apparatus?
Which of the following does NOT constitute part of the pharyngeal apparatus?
The branchial apparatus in primitive chordates is associated with respiration and feeding.
The branchial apparatus in primitive chordates is associated with respiration and feeding.
The term 'branchial' is derived from the Latin word meaning gills.
The term 'branchial' is derived from the Latin word meaning gills.
In humans, the branchial apparatus forms part of the digestive system.
In humans, the branchial apparatus forms part of the digestive system.
Pharyngeal pouches are a component of the pharyngeal apparatus in humans.
Pharyngeal pouches are a component of the pharyngeal apparatus in humans.
The branchial apparatus in a human embryo appears different from that in a fish embryo at four weeks.
The branchial apparatus in a human embryo appears different from that in a fish embryo at four weeks.
Study Notes
Pharyngeal or Branchial Arches
- The head and neck region of a 4-week human embryo resembles that of a fish embryo at the same stage, earning it the term "branchial apparatus".
- The term "branchial" comes from the Greek word for "gills", which are associated with feeding and respiration in primitive chordates.
- In humans, the branchial apparatus contributes to the development of the head and neck region.
Pharyngeal Apparatus
- Consists of two main components:
- Pharyngeal arches
- Pharyngeal pouches
Pharyngeal or Branchial Arches
- The head and neck region of a four-week human embryo resembles that of a fish embryo at the same stage, earning it the term "branchial apparatus".
- The term "branchial" comes from the Greek word for "gills", which are associated with feeding and respiration in primitive chordates.
- In humans, the branchial apparatus contributes to the development of the head and neck region.
Pharyngeal Apparatus
- Consists of two main components:
- Pharyngeal arches
- Pharyngeal pouches
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Description
The branchial apparatus in embryos of humans and fish, its formation and contribution to the head and neck region in humans.
