Mouth takes in food from soil 2. The annuli are covered in tiny hairs called setae which help the worms movement.
Earthworm dissection diagram 1.
Worm anatomy diagram. Segments of ody rings around body body is segmented 3. Ventral nerve ord like our spinal cord carries nerve impulses 5. Underneath this cuticle a layer of the epidermis followed by two muscle layers and coelomic epithelium inner layer is sheathed.
This will also help you to draw the structure and diagram of earthworm. The prostomium is the earthworm mouth. The general colour.
A worms body is made up of many segments called annuli. The worm anatomy might be boring to you and youre probably considering skipping this section. Ventral lood vessel major blood vessel on belly side 6.
Go ahead but once youre feeding your worms and harvesting your worm castings it starts to eat at you a little bit and then more and more. Label earthworm external anatomy diagram printout. External anatomy of earthworm.
The clitellum features and the male pores and female pores found above the clitellum and are all parts of the earthworm reproductive system. The body of pheretima is nearly circular in cross section and varies from 7 to 8 inches 18 19 cms in length. Anatomy of earthworm externally a thin non cellular cuticle covers the body wall of the earthworm.
In this article we will discuss about the external and internal anatomy of earthworm. So i promise youll be back just squirming to know whats going on inside those little worms. The epithelium consists of a single layer of glandular columnar epithelium.
The length of a worms body has muscles which contract and relax which enables the worm to move along a surface. As a bonus site members have access to a banner ad free version of the site with print friendly pages. Pharynx throat passes food from mouth to esophagus 4.
General earthworm diagram the clitellum of adult earthworms contains features called genital tumescence tubercula pubertatis.
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