Vocabulary Pertaining to Animal Bodies

Animal Bodies1. Anterior – (P) Referring to the front end or

head end of an animal2. Posterior – (O) Referring to the rear end or

tail end of an animal.

AnteriorPosterior

Animal Bodies3. Dorsal – (N) Referring to the back or top of

an animal.4. Ventral – (M) Referring to the belly side or

botton of an animal

Dorsal

Ventral

Animal Bodies4. Appendage – (F) An

outgrowth of the body such as a leg, a fin, or an antenna.

5. Larva – (J) The immature form of any animal that changes structurally when it becomes an adult

Appendage

Animal Bodies7. Regeneration – (K) The

renewal or replacement of any hurt or lost body part.

8. Polyp – (The attached stage of a cnidarian (jellyfish, corals and relatives).

9. Sessile – (R) Refers to an animal that lives all or part of its life attached to the ocean floor or river bed.

Animal Bodies10.Endoskeleton – (T) A

skeleton that lies beneath the surface of the body (e.g. the bony skeleton of vertebrates and the calcium carbonate skeleton of echinoderms).

11.Exoskeleton – (U) A skeleton that forms on the outside of the body (e.g., the exoskeleton of an arthropod).

Animal Bodies12.Capillary – (C) A small

blood vessel that connects an arteriole and a venule. Each is a site of exchange between blood and tissue cells.

13.Venule – (V) A small blood vessel that collects blood from a capillary bed and joins with a vein.

14.Arteriole – (W) A small blood vessel leading from an artery to a capillary bed.

Animal Bodies15.Connective Tissue –

(G) Tissue serving to bind together and support other tissues and organs. It includes cartilage.

16.Epithelial tissue – (D) Covers body surfaces externally and internally and secretes or absorbs materials.

Animal Bodies17.Central Nervous System –

(A) The brain, spinal cord, and the nerves that come from each.

18.Homologous chromosomes – (X) Chromosomes that carry genes for the same traits. One of two copies of a particular chromosome in a diploid cell, each copy being derived from a different parent.

Animal Bodies19.Sex chromosomes – (L)

The pair of chromosomes that determines an individual’s sex.

20.Haploid – (I) Having half the number of chromosomes.

21.Diploid – (B) A cell (or organism composed of cells) having a complete set of paired chromosomes.

Animal Bodies22.Gamete – (H) A sex

cell (sperm or egg)23.Sexual

reproduction – (Y) Reproduction involving the union of gametes.

24.Zygote – (S) A fertilized egg cell.

Animal Bodies25.Asexual

reproduction – (E) Reproduction that does not involve the fusion of sex cells.