178 



SUBJECT INDEX 



Cytoplasm of egg (see also names of organ- 

 elles), basophilia of 52, 56, 59-61, 63; 

 endoplasmic reticulum in 55, 56; fine 

 structure of 55, 56; presence of dna 

 in 52; rna in hyaloplasm of 61 

 changes in cytoplasm with : activation 24 ; 

 degeneration 34, 35 ; sperm penetration 

 54 



Delayed mating as cause of increase in 

 polyandry and polygyny 42, 43, 46, 88 



Deoxyribonucleic acid (dna), demonstration 

 of, in eggs by: fluorescence microscopy 

 107; U.V. microscopy 107, 108; 

 synthesis in embryo 61, 62 

 in: cleavage nuclei 50-52; cytoplasm of 

 sea-urchin and frog eggs 52; oocyte 

 nuclei 17, 18; pronuclei 30-32; sperm 

 head 24 



Discovery of eggs 1-7 



Division apparatus (see also Spindle) 65-69 



Egg cells in simple animals 7 

 Electron microscopy (see Microscopy) 

 Embryo (see also Blastocyst and Cleavage), 

 early development, details of 61, 62; 

 outline of 9, 12 

 parthenogenetic 38, 39; polyspermic 44, 45 

 pre-implantation, agents lethal to 82 



Fallopian tube, passage of eggs through 9, 



12, 13; recovery of eggs from 103-105 

 Fertile life of eggs 13, 102 

 Fertilization cone 58 

 Fertilization in vitro 6, 104, 115, 116, 118- 



124 

 Fertilization membrane 86, 93 

 'Fertilizin' of mammalian eggs 115, 116, 122 

 Follicle cells, processes penetrating zona 



pellucida 56, 57, 87, 89, 97 

 Follicle, Graafian (or ovarian), formation of 



8, 9, 12; penetration of eggs in 13, 78; 



pluriovular 20; recovery of eggs from 



103 

 Fragmentation of eggs 35, 58, 84, 85 

 Freezing of eggs 1 1 7 



Genes, influence on: density of cumulus 98; 

 egg penetration 96; frequency of sub- 

 nuclei 36; 'immediate cleavage' 76; 

 incidence of polyandry 42, 43; inci- 

 dence of polygyny 45, 46; sperm 

 attachment to vitellus 88, 94 



reassortment of, as feature of sexual 

 reproduction 8; recombination of, in 

 meiosis 23; relations of, in sperm head 

 24 



Germ cell, primordial 7, 8 



Germinal vesicle (see Nucleus of primary 

 oocyte) 



'Giant' eggs 20, 21, 41 



Golgi apparatus 63-65 



Gloiolemma 102 



Glycerol, treatment of eggs with 113, 114, 

 117, 137, 145 



Glycine-2- 14 C 18 



Gynandromorph 76 



Gynogenesis 38-40 



Haploidy 38 



Heat shock, effects on eggs 36, 38, 39, 42, 



43, 46, 77 

 Heterologous fertilization 95, 96 

 Histology and histochemistry of eggs 18, 



31-34, 50, 108 

 History of ideas on eggs and fertilization 1-7 

 Hyaluronic acid 90 

 Hyaluronidase 90, 99; release from acro- 



some by capacitation 99, 100 

 Hypertonic solutions as activating agents 38 

 Hypodiploidy 36 

 Hypothermia, as activating stimulus 38 



'Immediate cleavage' 76, 77 

 Implantation, and increase in cytoplasmic 

 basophilia of egg 51, 52, 63; and pro- 

 perties of blastocyst 80-82,102 

 inhibition of, by steroid hormones and 



other agents 82 

 of parthenogenetic blastocysts 38 

 Intermediary body of spindle 67-69, 72-74 

 Irradiation of: spermatozoa (U.V.) 36, 39, 

 85; (X) 36, 39, 58, 85 

 testis (X) 39 



Life history of egg, outline 8-14 



Manipulation of eggs 103-124 



Maturation (see also Meiosis and Polar body), 

 details of 21-24; outline of 8, 9, 12 

 stage of, at ovulation and sperm penetra- 

 tion 12, 16, 77, 78 



Media for maintaining eggs in vitro 103 



Megalecithal egg, classification 52 



