grasshopper

these flashcards are for studying for the grasshopper quiz! It is designed to help me learn the internal and external anatomy of the grasshopper.

Dorsal

The upper or back side of the grasshopper

Ventral

The lower or belly side of the grasshopper

Anterior

The front end or head region of the grasshopper

Posterior

The rear end or tail region of the grasshopper

Front leg

Used for walking and holding objects; located on the prothorax

Middle leg

Also used for walking and balance; located on the mesothorax

Hind leg

Larger and stronger; adapted for jumping; located on the metathorax

Anterior wing

The front pair of wings; leathery and protective

Posterior wing

The back pair of wings; membranous and used for flight

Head

Contains sensory organs (eyes, antennae) and mouth parts

Thorax

Middle section; holds legs and wings

Abdomen

Posterior section; contains reproductive, digestive, excretory, and respiratory organs

Vagina (female only)

Opening through which eggs are laid

Ovipositor (female only)

Structure used to dig and lay eggs into soil

Oviduct (female only)

Tube that transports eggs from ovary to vagina

Ovary (female only)

Organ that produces eggs

Testis (male only)

Produces sperm

Labrum

Upper lip; holds food in place

Labium

Lower lip; helps manipulate food

Mandible

Strong jaws used to cut and grind food

Palp

Sensory appendages that detect texture and taste of food

Maxillae

Paired mouthparts that help chew and handle food

Salivary gland

Produces saliva to begin digestion

Hypopharynx

Tongue-like structure that helps mix food and saliva

Esophagus

Tube that carries food from mouth to crop

Crop

Temporary food storage

Gizzard

Grinds food using muscular action and ingested grit

Stomach

Main site of digestion and nutrient absorption

Gastric caecum

Secretes digestive enzymes and increases nutrient absorption

Intestine

Absorbs nutrients and moves waste to rectum

Rectum

Reabsorbs water and compacts waste

Anus

releases solid waste from the body

Nerve cord

Main communication line; carries messages from brain to body

Brain/Ganglia

Processes sensory information and controls body functions

Antennae

Detects chemicals, vibrations, and touch

Simple eye

Detects light intensity

Compound eye

Detects shape, movement, and color; provides wide field of view

Auditory membrane

Eardrum-like structure for detecting sound

Heart

Tubular structure that pumps hemolymph (insect blood)

Aorta

Main blood vessel that directs hemolymph forward from the heart

Malphigian tubule

Removes nitrogenous waste and regulates water balance

Prothorax

First segment of thorax; supports head and front legs

Spiracles

External openings that let air into the trachea

Trachea

Air-filled tubes that carry oxygen directly to body cells